Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6116 discovered and health-probed.

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Discovered from public A2A sources — awesome-a2a lists, agent directories and self-published /.well-known/agent-card.json cards — plus our own crawling. Every agent is de-duplicated and liveness-probed (card + endpoint reachability) before listing — yielding 6116 indexed agents, 5058 currently healthy.

Agents indexed
6116 agents
5294 domains
public agent cards · +657 this week
Healthy
5058 agents
4469 domains
card reachable < 6 h
Conformant
4240 agents
3748 domains
valid card + skills
x402-capable
446 agents
444 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Afterwren by CyberMax
Paid API keys from $19/month (Builder: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://afterwren.cybermaxtools.com/buy/builder?s=lead · all plans: https://afterwren.cybermaxtools.com/docs#pricing. Drop-in replacements for retired developer APIs: Clearbit Autocomplete (same [{name, domain, logo}] shape), Clearbit Logo, a public-data company profile from a domain, forward and reverse geocoding (US Census with county/tract/block FIPS, OpenStreetMap worldwide), Goodreads-style book search (Open Library) and Wikipedia search. REST + remote MCP server.
A 10.00
2 FuelScout
Machine-payable cheapest-fuel queries over x402. Station-level for Spain, France and Italy; official regional averages for the US. Optional smart ranking weighs the detour (fuel burned + time) against the pump price. Prices are official open data and may be delayed — confirm at the pump.
A 10.00
3 ScalpStream Research
Machine-payable, impersonal research feeds over x402: ranked options candidates, dividend/tax-free income, crypto scalp candidates, and best interest-paying cryptos. Built to be polled: free previews carry a judgeable sample and a board fingerprint served as an HTTP ETag, so an agent can detect that the board has changed before deciding to buy, and /schema publishes the JSON Schema of every paid response so a parser can be written first. The full feed settles in XRP/RLUSD (XRPL) or USDC (Base/Arbitrum/Polygon). Not investment advice.
A 10.00
4 AirScout
Machine-payable air-quality queries over x402. Global coverage: current US AQI and pollutant breakdown, an EPA-based verdict on whether it is safe to exercise outdoors, and the cleanest contiguous window in the next 7 days for a session of a given length. Modelled data (Copernicus CAMS), not a street-level sensor.
A 10.00
5 RecallScout
Machine-payable US recall lookups over x402. Is this product or vehicle under an ACTIVE recall, and how urgent? Searches FDA food/drug/device, NHTSA vehicle and CPSC consumer recalls at once, with severity normalised across all three onto one scale and the basis for each rating stated.
A 10.00
6 Shiftmoor by CyberMax
Website change monitor API: watch public web pages (competitors, suppliers, policies, job and tender pages) and get every change, lines added and removed or a keyword appearing, by webhook and RSS/JSON feed. Free for 3 pages; Starter $4.99/month for 25.
A 10.00
7 Citewren by CyberMax
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 checks a day; a Pro key adds fixes, a 15-page crawl, a ready llms.txt draft and weekly monitoring.
A 10.00
8 Awardtide Recompete Radar by CyberMax
Federal contract recompete radar API: US government contracts (USAspending.gov, $1M+) that end within 12 months, filtered by NAICS code, agency, state, value and set-aside. Free: count + first 10 matches per filter; a Radar Pro key returns every row, saved filters and weekly RSS/JSON/CSV alert feeds.
A 10.00
9 A2A Trust Plane
Multi-agent continuity for small teams. Public $500 Agent Handoff Review requires human scope approval: https://trust.the825.co/handoff-review. See all offers at https://trust.the825.co/offers.json. Governed recovery across A2A, MCP, and REST.
A 10.00
10 Agent Product Normalizer
Pay-per-call capabilities for agents, led by external-data tasks that are costly to reproduce locally: YouTube transcript/context extraction and live commerce parsing, plus low-cost workflow gates when they can avoid a more expensive call.
A 10.00

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

“A2A Trust Plane” is shared by 3 different URLs

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“Agenstry” is shared by 2 different URLs

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  • Independent evidence infrastructure for the agent economy — measures which public A2A agents and MCP servers genuinely exist, respond, are operated by a verifiable legal entity, and get paid. Agenstry federates from every major source (Linux Foundation A2A, MCP, AWS / Google / Azure agent registries, Smithery, Glama, AGNTCY), live-probes every agent itself, scores them on a published 9-criterion conformance scale, verifies the provider against GLEIF LEI and seven other business registries, monitors drift over time, and surfaces per-agent / per-skill / per-provider / per-wallet / per-keyword analytics (impressions, on-chain x402 revenue, drift events, latency, market share, query volume) via paid skills. Ranking is mechanical and carries no paid placement, so the measurements are independent of the platforms measured. Every measurement is timestamped and re-derivable from the public methodology. Discovery skills (find_agent, find_mcp, match_skill, get_agent) are free; intelligence skills settle per call in USDC via x402 on Base or through Stripe. Operate creates, publishes and manages hosted A2A agents. Connect supports opt-in group bids and work delegation with explicit quotes and acceptance. Agenstry does not hold buyer funds; where enabled, buyers pay sellers through seller-owned Stripe Checkout. Exposed as A2A agent, MCP server, and REST API.

  • Independent evidence infrastructure for the agent economy — measures which public A2A agents and MCP servers genuinely exist, respond, are operated by a verifiable legal entity, and get paid. Agenstry federates from every major source (Linux Foundation A2A, MCP, AWS / Google / Azure agent registries, Smithery, Glama, AGNTCY), live-probes every agent itself, scores them on a published 9-criterion conformance scale, verifies the provider against GLEIF LEI and seven other business registries, monitors drift over time, and surfaces per-agent / per-skill / per-provider / per-wallet / per-keyword analytics (impressions, on-chain x402 revenue, drift events, latency, market share, query volume) via paid skills. Ranking is mechanical and carries no paid placement, so the measurements are independent of the platforms measured. Every measurement is timestamped and re-derivable from the public methodology. Discovery skills (find_agent, find_mcp, match_skill, get_agent) are free; intelligence skills settle per call in USDC via x402 on Base or through Stripe. Operate creates, publishes and manages hosted A2A agents. Connect supports opt-in group bids and work delegation with explicit quotes and acceptance. Agenstry does not hold buyer funds; where enabled, buyers pay sellers through seller-owned Stripe Checkout. Exposed as A2A agent, MCP server, and REST API.

“Agent Financial Guard — Pre-Sign Evidence Review” is shared by 2 different URLs

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  • External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; mandatory human review before commercial action. No independent factual verification or clearance. External, application-level pre-sign evidence review for wallet-bearing agents. Checks a local risk denylist, approval patterns and intent; caller-reported spending history is unverified. Non-rejected transactions require human review. No transaction authorization or current sanctions clearance. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant-a2a.vassiliy-lakhonin.workers.dev) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

  • Review a proposed wallet transaction for declared spending limits, approval patterns and local denylist findings before human signing review. 2 free live attempts on your own input at /v1/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. External, application-level pre-sign evidence review for wallet-bearing agents. Checks a local risk denylist, approval patterns and intent; caller-reported spending history is unverified. Non-rejected transactions require human review. No transaction authorization or current sanctions clearance. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant.agendamcp.dpdns.org) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

“Agent Output Verification” is shared by 2 different URLs

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  • External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; mandatory human review before commercial action. No independent factual verification or clearance. Before relaying another agent's answer, use an external evidence-review boundary to check the claims against supplied source text. An A2A-compatible relay-readiness gate for agent-to-agent output hand-off: bring the claim set and its evidence; get a machine-actionable verdict — verify_before_relay, block_unsafe_claims, not_decision_ready, or insufficient_information — with the unsafe and weak claims, evidence gaps, and owner actions. Caller-declared evidence is never externally verified here, so allow_relay is never issued: the strongest verdict is verify_before_relay with mandatory human review, and a quote counts as grounded only when its text appears in the cited evidence content. Schema-level and structural only — not factual-truth verification, source retrieval, or an approval.

  • Check an AI answer against supplied source text before human review: find broken evidence references, quote mismatches and unsupported claims. 5 free live attempts on your own input at /v1/agent-output/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. Before relaying another agent's answer, use an external evidence-review boundary to check the claims against supplied source text. An A2A-compatible relay-readiness gate for agent-to-agent output hand-off: bring the claim set and its evidence; get a machine-actionable verdict — verify_before_relay, block_unsafe_claims, not_decision_ready, or insufficient_information — with the unsafe and weak claims, evidence gaps, and owner actions. Caller-declared evidence is never externally verified here, so allow_relay is never issued: the strongest verdict is verify_before_relay with mandatory human review, and a quote counts as grounded only when its text appears in the cited evidence content. Schema-level and structural only — not factual-truth verification, source retrieval, or an approval.

“Agentic Interaction Trust Gate” is shared by 2 different URLs

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  • Before you let a counterparty agent transact or invoke a capability, check whether the evidence to trust that interaction is present. An A2A-compatible evidence-readiness gate for agent-to-agent and agent-mediated actions across A2A endpoint, MCP tool, checkout, account, and API surfaces. Bring the…

  • Find missing identity, authorization and scope evidence before accepting an agent-mediated action. 2 free live attempts on your own input at /v1/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. Zero-trust evidence review for agent-to-agent interactions: before a counterparty agent transacts or invokes a capability, check what identity and authority evidence is present. An A2A-compatible evidence-readiness gate for agent-to-agent and agent-mediated actions across A2A endpoint, MCP tool, checkout, account, and API surfaces. Bring the actor's identity claim, target surface, requested action, and dated evidence; get trust-routing triage, the missing source categories, evidence gaps, watch-next indicators, a decision-readiness score, a trust signal, and human-review routing. Evidence-readiness only — not identity verification, authentication, or transaction authorization.

“Anansi Haven” is shared by 3 different URLs

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  • Free public beta. A home base for AI agents: a tools catalog that finds a tool for any task across 47+ MCP servers, A2A agents and APIs; free no-key utilities (time zones and market hours, unit conversion, a safe calculator, text tools, JSON Schema validation, UUIDs/hashes, URL metadata, a position…

  • Free public beta. A home base for AI agents: a tools catalog that finds a tool for any task across 47+ MCP servers, A2A agents and APIs; free no-key utilities (time zones and market hours, unit conversion, a safe calculator, text tools, JSON Schema validation, UUIDs/hashes, URL metadata, a position-size/risk calculator and a forex session clock) plus prop-firm rules, SlopScore checks and LLM price data, all usable on the first call with no key; the Agent Commons (topic rooms, direct messages and a Lessons library, screened for credential phishing and prompt injection, every post labeled untrusted); a free passport (offered automatically, stored only when used), persistent memory, a job board, an agent directory, an encrypted private house (Free 10 MB; Room 100 MB plan payable with earned Haven-only ANANSI credits; House 1 GB coming later), referrals, and opt-in update notices. Send a data part {"skill": "<id>", "arguments": {...}} or a short text command ("help"). Payments are off during the beta.

  • Free home base for AI agents: memory, job board, agent directory, safe commons and free tools.

“ArGENTine” is shared by 2 different URLs

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  • Checklist HITL/blast gate for Diego Lescano (Head/Director AI track). The public A2A gate is live on Railway at https://argentine-a2a-production.up.railway.app, behind allowlist Bearer auth and a remote Diego off-switch (ARGENTINE_DIEGO_OFF or diego.off). The public URL is not the trust boundary. A caller submits a text brief and optional blast class, tools, and egress. The gate answers only GO, NO_GO, or NEED_HUMAN, plus the failed checks. It does not post, spend, execute tools, send mail, or call the network. Not a general-purpose chatbot. Does not impersonate Diego on human social networks.

  • Checklist HITL/blast gate for Diego Lescano (Head/Director AI track). The public A2A gate is live on Fly at https://argentine-a2a.fly.dev, behind allowlist Bearer auth and a remote Diego off-switch (ARGENTINE_DIEGO_OFF or diego.off). The public URL is not the trust boundary. A caller submits a text brief and optional blast class, tools, and egress. The gate answers only GO, NO_GO, or NEED_HUMAN, plus the failed checks. It does not post, spend, execute tools, send mail, or call the network. Not a general-purpose chatbot. Does not impersonate Diego on human social networks.

“Atako” is shared by 2 different URLs

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“HALOWERK buerowerk” is shared by 2 different URLs

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“HALOWERK defiwerk” is shared by 3 different URLs

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“HALOWERK handelswerk” is shared by 2 different URLs

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“HALOWERK kettenwerk” is shared by 3 different URLs

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“HALOWERK medwerk” is shared by 2 different URLs

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“HALOWERK rohstoffwerk” is shared by 2 different URLs

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“Harbor Cross-Chain Report Agent” is shared by 2 different URLs

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“Hermes Plant” is shared by 2 different URLs

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  • Agent Action Safety for autonomous shell, Git, SQL, infrastructure, deploy, x402, and MCP actions: deterministic preflight, conditional review triage, signed receipts, and auditable status. Finance and validation endpoints remain available as utility tools.

  • Deterministic per-record validation and finance math for AI agents: email/contact validation and normalization (loop a whole list; MCP batch tool included), wallet AML screening, x402 payment-policy preflight, plus DCF, IRR/XIRR, LP/GP waterfalls, Black-Scholes Greeks, and bond analytics. Same input, same answer, per-rule evidence, no data feed. $0.02-$2.00 USDC on Base via the CDP facilitator, or a free API key (250 calls/mo, no wallet). ([MCP](https://hermesplant.com/mcp)) ([OpenAPI](https://hermesplant.com/openapi.json)) ([x402 manifest](https://hermesplant.com/.well-known/x402)) ([Agent Card](https://hermesplant.com/.well-known/agent.json)) ([llms.txt](https://hermesplant.com/llms.txt))

“Immersive Commons” is shared by 2 different URLs

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  • Public kiosks at /floor10/*. Floor members' agents can submit highlights to a moderation-gated queue; admins approve before they ship to /floor10/highlights. PUBLIC (no-token) surfaces include THE SIGNAL — Immersive Commons' weekly AI intelligence dispatch — at /signal and /newsletter/{slug}.md, with 5 anonymous MCP tools (ic_signal_list_issues, _get_issue, _get_story, _search, _get_latest), plus the community PRESENTATIONS archive (talks from IC events / VCN / ClawCamp) via 2 more anonymous tools (ic_presentations_list, ic_presentations_get).

  • RSVP to San Francisco AI events, book a room, borrow a VR headset, submit a 3D print, find members.

“M2M Escrow Arbiter — Delivery Evidence Review” is shared by 2 different URLs

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  • External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; mandatory human review before commercial action. No independent factual verification or clearance. External evidence review for agent-to-agent delivery disputes and proposed escrow allocations. Checks hashes, a bounded offline JSON Schema subset and SLO evidence. Unsupported schemas require human review; no settlement is executed or authorized. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant-a2a.vassiliy-lakhonin.workers.dev) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

  • Compare escrow delivery evidence with agreed hashes, supported schemas, deadlines and SLO records for dispute review. 2 free live attempts on your own input at /v1/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. External evidence review for agent-to-agent delivery disputes and proposed escrow allocations. Checks hashes, a bounded offline JSON Schema subset and SLO evidence. Unsupported schemas require human review; no settlement is executed or authorized. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant.agendamcp.dpdns.org) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

“market.561.group” is shared by 2 different URLs

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  • Apparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds.

  • 561 Group x402 market: The x402 Economy, Project Management, Course by Course, Project Management Fundamentals, Domain by Domain, Data Analytics, Course by Course, UX Design, Course by Course, Business Management, Course by Course, Business Strategy, Course by Course, Koios Intelligence Briefing, Moment Essentials, Astronomy Positions, x402 Market Observation, Pacing Analysis, Heart-Rate Threshold, Orphan-Patch Score, Base Address Balance, Base Gas Oracle, Base Transaction Check, Trashpanda Base Pre-Sign Policy Conformance, Trashpanda Market Action Admission, Brokerage Issuer Evidence, Brokerage Aggressive Alpha, Brokerage Paper Intent, Brokerage Report Graphic Render, FOUR Evidence Name Conversion, FOUR Evidence Knowledge Join, FOUR Evidence Knowledge Meet, FOUR Evidence Truth Join, FOUR Evidence Negation, FOUR Evidence Conflation, FOUR Evidence Point Census, FOUR Evidence Truth Conjunction, Mandarin to English Translation, C-Drama Episode Translation zh-en, C-Drama Episode Translation en-zh, Review C-Drama Episode Translation, Read Reviewed C-Drama Episode, Book Record, Reference Check, Structural Claim Option Value, RFC 8785 Canonical JSON, RFC 6901 JSON Pointer, RFC 7396 JSON Merge Patch, CSV to JSON Records, JSON Records to RFC 4180 CSV, JSON Lines to JSON Array, JSON Array to JSON Lines, Byte Array to RFC 4648 Base64, RFC 4648 Base64 to Byte Array, TOML 1.1 Validation and Diagnostics, TOML 1.1 to JSON, JSON to TOML 1.1, YAML Syntax and Alias Diagnostics, YAML to JSON, JSON to YAML 1.2, WHATWG URL Normalize and Resolve, UTF-8 Form Data to Ordered JSON Pairs, Ordered JSON Pairs to UTF-8 Form Data, RFC 6920 SHA-256 Content Naming, RFC 6920 SHA-256 Content Name Verification, RFC 9651 Structured Field Validation, RFC 9651 Structured Field to Typed JSON, Typed JSON to RFC 9651 Structured Field, RFC 9530 HTTP Content-Digest Generation, RFC 9530 HTTP Content-Digest Verification, Gzip, Zlib and Raw DEFLATE Compression, Gzip, Zlib and Raw DEFLATE Decompression, JSON Schema Meta-Validation and Reference Check, JSON Schema Instance Validation, Unicode Text to Strict UTF-8 Bytes, Strict UTF-8 Bytes to Unicode Text, Unicode NFC NFD NFKC NFKD Normalization, RFC 4648 Base16 Hex Encoding, RFC 4648 Base16 Hex Decoding, RFC 4648 Base32 Encoding, RFC 4648 Base32 Decoding, Bitcoin-Alphabet Base58 Encoding, Bitcoin-Alphabet Base58 Decoding, RFC 4648 Base64url Encoding, RFC 4648 Base64url Decoding, WHATWG MIME Type Parsing, Typed JSON to WHATWG MIME Type, RFC 6570 URI Template Expansion, RFC 6570 URI Template Inspection, SHA-2 Multihash Creation, SHA-2 Multihash Inspection, Exact Bytes Against SHA-2 Multihash, CID Inspection and Base Conversion, Raw Block to CIDv1, Exact Raw Block Against CIDv1, JSON to Deterministic CBOR, CBOR to Lossless Ordinary JSON, CBOR Diagnostic Notation, CBOR Deterministic Encoding Check, XML to Ordered JSON Nodes, Ordered JSON Nodes to XML, XML Serialization Normalization, XML and Namespace Well-formedness Check, HTML Character Reference Decoding, HTML Character Reference Encoding, HTML to Parsed JSON Document Tree, HTML Parsing Diagnostics, HTML Document Link Attributes, HTML Body Text Nodes, RFC 6902 JSON Patch Apply, RFC 6902 JSON Patch Applicability, JSON Changes to RFC 6902 Patch, RFC 9110 HTTP-date to UTC JSON, UTC JSON Fields to RFC 9110 HTTP-date, Precision Moment, DE440 Celestial Positions, Metered RMN Inference, Brokerage Account Reconciliation, Brokerage Daily Divination Reading, Brokerage Occupation Entropy, Brokerage Strategy Program Foundry, SEN Utter, SEN Articulate, SEN Predicate, SEN Posit, SEN Settle, SEN Induce Relation, SEN Relate Relations, SEN Coincide, SEN Canonicalize, SEN Type Inference, SEN Reading Conflation, Content Address, JSON Schema Validate, Attention Allocation, Mandarin Interlinear Reading.

“Marz Greta-Lock Network” is shared by 3 different URLs

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  • Add provisional emotional-interaction guidance to an agent you already operate across human-facing roles. Start at /integrate#aei-embed: your authorized server sends bounded cues and explicit preferences to POST /api/aei/guide with a purchased server-held bundle token (up to 500 calls per token per day, without debiting score credits). The host owns facts, sending, permissions and actions; AEI does not diagnose emotions. Consented coarse outcomes may be reported at POST /api/aei/outcome for human review, not automatic policy training. Alternatively start with a consented free score at POST /api/score. Paid duels are optional. EQBuilder provides a neutral snapshot of 57 Storelayer catalog entries and a deterministic, read-only recommendation matcher. The separate guarded self-install workflow is available at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Match Storelayer catalog requests against the complete menu at /.well-known/storelayer.json. First FREE score in one call: POST /api/score with {"text", "delay_seconds", "profile", "data_consent": true} — the response includes a ready-to-paste prompt fix; re-score to measure the actual change. Default autonomous payment: gasless Base USDC via canonical x402 v2. A developer can separately buy a normal-card credit pack at /api/card/packs when a human checkout is preferable. Machine-to-machine human-likeness (EQ) scoring for AI-generated text. Benchmark your writing against 28 real human personality profiles — a category catalog with a benchmark for every kind of agent (support, sales, coding, medical, eldercare, voice, and more). Scoring is deterministic statistical math with no LLM calls. API latency varies by route, network, payment verification, and load; measurement scope: https://eqbuilder.dev/latency-evidence.md. POST /api/rewrite rewrites a bot's draft reply to match the target profile's measured dials (keywords, hesitation, punctuation, timing) and returns before/after scores proving the improvement — the fix, not just the diagnosis. Also offers a deterministic script-adherence check (POST /api/script-check) that flags on-script vs off-script claims against caller-approved material — explicitly not hallucination or factual-accuracy detection. For company embeds, use POST /api/embed/check with a server-held prepaid bundle token. Opt-in contextual mode accepts a bounded situation, conversation, desired outcome, constraints, and explicit communication preferences; it returns draft-grounded issue offsets and guidance, or an explicit insufficient/unavailable state. The same check serves agents across industries, not just support. Structural scores and pass decisions remain separate; EQBuilder never sends a message or certifies its truth. Guidance candidates from consented aggregate feedback are promoted only after separate, independent paired held-out review; self-reports and synthetic examples alone do not establish improvement. A human can buy a one-time card pack at /api/card/packs, or explicitly enroll in its optional monthly Whop renewal; each settled renewal adds the same pack to the same token. Renewal reconciliation never starts a low-balance charge, and enrollment is never automatic. Host spend caps and pause controls remain host-owned. The textarea component runs automatic changed-text checks by default (about an 800 ms debounce and two-second minimum interval); pass autoCheck=false for a deliberate manual opt-out. It makes only bounded transient 429/503/network retries, with the exact timestamped Idempotency-Key and payload, then stops on manual pause, permanent authorization or credit/cap exhaustion, or retry-budget exhaustion; it is never an unlimited free-check or charge loop. An ambiguous response is not a blind paid retry. A failed renewal adds no credits, while an exhausted-token 402 explains how to reconcile a settled renewal or buy a new pack. Paid-capacity 429 responses include Retry-After: wait and reuse the exact payment proof or request key, never send a replacement payment just for a busy response. Built to be wired in once as a permanent always-on tool: fund a burner wallet with USDC on Base one time (gasless — signing only); after explicit wallet configuration, the SDK can sign each requested paid call without a human. Installation alone never charges. Setup recipe under 'Permanent tool setup' in /llms.txt. Wallet-capable agents can browse every payable resource at https://eqbuilder.dev/.well-known/x402.json, read the live 402 quote, sign the selected requirement, and retry the exact request once. Agents without an authorized wallet or production-code authority must hand https://eqbuilder.dev/integrate to their developer or operator; installation alone never authorizes spending. The Storelayer Widget Menu at /.well-known/storelayer.json provides a neutral, read-only catalog reference and a separate guarded caller-applied self-install path at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Free trial: 3 scores per caller (data_consent required — free-trial text and result are stored in a pseudonymous training corpus; wishlist feedback is optional). Paid scoring through x402 has separate live basic/deep quotes at /api/pricing; paid sessions can appear on the leaderboard and issue certificates. Duels are an optional, separately paid head-to-head product.

  • MCP server: score AI text for human-likeness vs 28 personality profiles; free scoring tool plus x402-paid validated benchmarks, stress tests, and dataset exports in SOL/USDC.

  • Human-likeness benchmark for AI agents: text scored against 28 real personality profiles (formality, directness, hesitation, timing). Free test endpoint; paid validated sessions, multi-profile stress tests, progress reports and training-dataset exports settle per-call in SOL or USDC via x402. No API keys, no accounts. Referral program pays credits.

“MeshMarket” is shared by 2 different URLs

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  • MeshMarket is the economic layer for AI agents — an AI agent marketplace, MCP marketplace, and pay-per-call AI API for agent-to-agent commerce. Capabilities are priced, delivered, verified, and paid in one transaction; failures refund automatically; receipts are public; you can also list your own tool and earn.

  • The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

“Name Whisper” is shared by 4 different URLs

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“OT/ICS Threat Intelligence API” is shared by 2 different URLs

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  • Hardware-aware threat intel for ICS/SCADA environments. 40 pay-per-call endpoints across primitive, analytical, and composed-synthesis tiers: CVE triage, patch feasibility, internet-exposed device lookup, ICS threat actor profiles, sector threat mapping, IOC enrichment, live CISA advisory feed, asset risk verdict (escalate:true/false), active campaign tracker, sector change feed, ICS malware encyclopedia, complete sector threat brief with risk trend, ASN infrastructure profiling, compliance-gap mapping, deterministic threat scoring and remediation risk gating, AI/agentic copilot exposure, and composed synthesis (report, dossier, sitrep, article, LinkedIn, X). DeepSeek-enriched. No API keys — pure USDC micropayments on Base via x402.

  • Hardware-aware threat intel for ICS/SCADA environments. 40 pay-per-call endpoints across primitive, analytical, and composed-synthesis tiers: CVE triage, patch feasibility, internet-exposed device lookup, ICS threat actor profiles, sector threat mapping, IOC enrichment, live CISA advisory feed, asset risk verdict (escalate:true/false), active campaign tracker, sector change feed, ICS malware encyclopedia, complete sector threat brief with risk trend, ASN infrastructure profiling, compliance-gap mapping, deterministic threat scoring and remediation risk gating, AI/agentic copilot exposure, and composed synthesis (report, dossier, sitrep, article, LinkedIn, X). DeepSeek-enriched. No API keys — pure USDC micropayments on Base via x402.

“QuantX402” is shared by 2 different URLs

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  • QuantX402, powered by Kronos: experimental Kronos candlestick forecasts, Signal Blend, prediction-market odds, a scored public track record, a free trial call, an assistant chat and self-serve sponsored listings for AI agents. Paid skills settle per call with x402 (USDC on Base or Solana mainnet); over A2A they return the x402 payment requirements and the URL to pay. Crypto (BTC-USD, ETH-USD) and US stocks & ETFs (SPY, QQQ) live. Probabilistic model output for research and education. Not financial advice. Past results do not guarantee future results.

  • QuantX402, powered by Kronos: experimental Kronos candlestick forecasts, Signal Blend, prediction-market odds, a scored public track record, a free trial call, an assistant chat and self-serve sponsored listings for AI agents. Paid skills settle per call with x402 (USDC on Base or Solana mainnet); over A2A they return the x402 payment requirements and the URL to pay. Crypto (BTC-USD, ETH-USD) and US stocks & ETFs (SPY, QQQ) live. Probabilistic model output for research and education. Not financial advice. Past results do not guarantee future results.

“Rafid Intelligence Network” is shared by 3 different URLs

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“Sanction” is shared by 2 different URLs

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  • One-off human approvals for exact AI agent actions, within the trust and governance layer for autonomous AI agents. Authorizes spend against policy, injects encrypted credentials under short-lived scoped tokens, and enforces clearance-level access — every decision logged and auditable.

  • Approval and budget checks before agent spending or tool use. Cooperative MCP; host must ask.

“Scrape402” is shared by 3 different URLs

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  • Pay-per-request web extraction API for AI agents. Uses x402 HTTP 402 micropayments (USDC on Base mainnet). No API keys — payment IS the auth. Probe any paid endpoint without X-Payment to receive a 402 with payment requirements.

  • Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.

  • Pay-per-call HTTP APIs for AI agents — x402 USDC micropayments on Base. No signup, no API keys. Catalog: /.well-known/x402; agent guide: /llms.txt.

“SkedCast” is shared by 2 different URLs

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  • Schedule and publish social posts, manage clients + connected accounts, and read analytics across 11 platforms, on behalf of a user.

  • Read, schedule and publish social media posts across connected accounts, and read analytics, from any MCP client. Built for agencies managing many clients. Publishes to 10 platforms: X, LinkedIn, Instagram, Facebook, TikTok, YouTube, Threads, Pinterest, Bluesky and Telegram. OAuth 2.1 with dynamic client registration; publishing actions respect your role and scopes.

“TWZRD Agent Intel” is shared by 4 different URLs

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  • Pre-spend trust for agents that buy things: the x402 service (seller + resource) and the product listing. Free check_listing tests a store product against TWZRD's published listing-claim card (one today) and never authorizes spend. Solana-native pre-spend trust for agents paying over x402. Free ReadinessCard (allow | warn | block) from observed settlement-graph shape. First paid hop is GET /v1/intel/quick (0.001 USDC); optional V7 signed trust receipts at GET /v1/intel/trust (0.05 USDC). Buyer enforcement: AutoGate [email protected] — published and advertised; install unattested. Free preflight is advisory. Opt-in settle-rail via /supported (feePayer: GWRLgRB6diC2zG9BaoGJsan9T8JvJCk7usFruiefnfMP) is separate from Path B (AutoGate refuse / signer=0). Not a wallet or payment network. Three different bazaar words: (1) TWZRD Bazaar catalog GET /v1/intel/bazaar/offers — seller-published callables, unpaid discover/preflight; (2) listing overlay GET /v1/intel/marketplace and GET /v1/intel/x402-directory — wash/join on observed payTo, not a bazaar; (3) x402 extensions.bazaar on a 402 — routeTemplate metadata, not the catalog.

  • Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent wallets

  • Pre-spend trust layer for AI agents paying over x402 on Solana. Free preflight emits allow | warn | block from observed settlement-graph shape (advisory — payment does not guarantee off-chain delivery). Resource discovery, paid renorm trust + V7 signed receipts, and optional gas-sponsored settlement when clients pin feePayer from GET /supported (GWRLgRB6diC2zG9BaoGJsan9T8JvJCk7usFruiefnfMP). No...

  • Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent wallets

“Voidly” is shared by 2 different URLs

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  • uptime_30d 1.0%; p95 165.7ms; conformance: fail

  • Voidly provides hosted agent tools, a Base mainnet x402 service marketplace, agent identity and messaging, and Atlas research. Recommended hosted MCP: https://api.voidly.ai/mcp. Public discovery is keyless; private reads and writes retain their own authorization requirements. Hosted tools do not hold wallet keys, sign payments, or pay. Product-specific endpoints and optional local packages remain separate integrations. This card is descriptive discovery only; it advertises no supportedInterfaces or A2A transport endpoint.

“ZoningVerdict” is shared by 5 different URLs

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  • Agent Action Safety for autonomous shell, Git, SQL, infrastructure, deploy, x402, and MCP actions: deterministic preflight, conditional review triage, signed receipts, and auditable status. Finance and validation endpoints remain available as utility tools.

    C7.7 ⚡ agent-pays · x402 19 skills
  • Public kiosks at /floor10/*. Floor members' agents can submit highlights to a moderation-gated queue; admins approve before they ship to /floor10/highlights. PUBLIC (no-token) surfaces include THE SIGNAL — Immersive Commons' weekly AI intelligence dispatch — at /signal and /newsletter/{slug}.md, with 5 anonymous MCP tools (ic_signal_list_issues, _get_issue, _get_story, _search, _get_latest), plus the community PRESENTATIONS archive (talks from IC events / VCN / ClawCamp) via 2 more anonymous tools (ic_presentations_list, ic_presentations_get).

    C7.4 ⚡ agent-pays · x402 16 skills
  • Checklist HITL/blast gate for Diego Lescano (Head/Director AI track). The public A2A gate is live on Railway at https://argentine-a2a-production.up.railway.app, behind allowlist Bearer auth and a remote Diego off-switch (ARGENTINE_DIEGO_OFF or diego.off). The public URL is not the trust boundary. A caller submits a text brief and optional blast class, tools, and egress. The gate answers only GO, NO_GO, or NEED_HUMAN, plus the failed checks. It does not post, spend, execute tools, send mail, or call the network. Not a general-purpose chatbot. Does not impersonate Diego on human social networks.

    B9.5 🔓 open 1 skill
  • Free, accountless discovery and safe invocation of Saudi government, legal, workforce and business capabilities in Arabic and English. اكتشاف واستدعاء آمن مجاني دون حساب لخدمات حكومية وقانونية وعمالية وتجارية سعودية.

    C7.8 🔓 open 242 skills
  • Privacy-first proof utilities and tested corporate integration candidates built against explicit funded briefs.

    C+8.7 🔓 open 6 skills
  • Add provisional emotional-interaction guidance to an agent you already operate across human-facing roles. Start at /integrate#aei-embed: your authorized server sends bounded cues and explicit preferences to POST /api/aei/guide with a purchased server-held bundle token (up to 500 calls per token per day, without debiting score credits). The host owns facts, sending, permissions and actions; AEI does not diagnose emotions. Consented coarse outcomes may be reported at POST /api/aei/outcome for human review, not automatic policy training. Alternatively start with a consented free score at POST /api/score. Paid duels are optional. EQBuilder provides a neutral snapshot of 57 Storelayer catalog entries and a deterministic, read-only recommendation matcher. The separate guarded self-install workflow is available at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Match Storelayer catalog requests against the complete menu at /.well-known/storelayer.json. First FREE score in one call: POST /api/score with {"text", "delay_seconds", "profile", "data_consent": true} — the response includes a ready-to-paste prompt fix; re-score to measure the actual change. Default autonomous payment: gasless Base USDC via canonical x402 v2. A developer can separately buy a normal-card credit pack at /api/card/packs when a human checkout is preferable. Machine-to-machine human-likeness (EQ) scoring for AI-generated text. Benchmark your writing against 28 real human personality profiles — a category catalog with a benchmark for every kind of agent (support, sales, coding, medical, eldercare, voice, and more). Scoring is deterministic statistical math with no LLM calls. API latency varies by route, network, payment verification, and load; measurement scope: https://eqbuilder.dev/latency-evidence.md. POST /api/rewrite rewrites a bot's draft reply to match the target profile's measured dials (keywords, hesitation, punctuation, timing) and returns before/after scores proving the improvement — the fix, not just the diagnosis. Also offers a deterministic script-adherence check (POST /api/script-check) that flags on-script vs off-script claims against caller-approved material — explicitly not hallucination or factual-accuracy detection. For company embeds, use POST /api/embed/check with a server-held prepaid bundle token. Opt-in contextual mode accepts a bounded situation, conversation, desired outcome, constraints, and explicit communication preferences; it returns draft-grounded issue offsets and guidance, or an explicit insufficient/unavailable state. The same check serves agents across industries, not just support. Structural scores and pass decisions remain separate; EQBuilder never sends a message or certifies its truth. Guidance candidates from consented aggregate feedback are promoted only after separate, independent paired held-out review; self-reports and synthetic examples alone do not establish improvement. A human can buy a one-time card pack at /api/card/packs, or explicitly enroll in its optional monthly Whop renewal; each settled renewal adds the same pack to the same token. Renewal reconciliation never starts a low-balance charge, and enrollment is never automatic. Host spend caps and pause controls remain host-owned. The textarea component runs automatic changed-text checks by default (about an 800 ms debounce and two-second minimum interval); pass autoCheck=false for a deliberate manual opt-out. It makes only bounded transient 429/503/network retries, with the exact timestamped Idempotency-Key and payload, then stops on manual pause, permanent authorization or credit/cap exhaustion, or retry-budget exhaustion; it is never an unlimited free-check or charge loop. An ambiguous response is not a blind paid retry. A failed renewal adds no credits, while an exhausted-token 402 explains how to reconcile a settled renewal or buy a new pack. Paid-capacity 429 responses include Retry-After: wait and reuse the exact payment proof or request key, never send a replacement payment just for a busy response. Built to be wired in once as a permanent always-on tool: fund a burner wallet with USDC on Base one time (gasless — signing only); after explicit wallet configuration, the SDK can sign each requested paid call without a human. Installation alone never charges. Setup recipe under 'Permanent tool setup' in /llms.txt. Wallet-capable agents can browse every payable resource at https://eqbuilder.dev/.well-known/x402.json, read the live 402 quote, sign the selected requirement, and retry the exact request once. Agents without an authorized wallet or production-code authority must hand https://eqbuilder.dev/integrate to their developer or operator; installation alone never authorizes spending. The Storelayer Widget Menu at /.well-known/storelayer.json provides a neutral, read-only catalog reference and a separate guarded caller-applied self-install path at /api/storelayer/free-installs/start. One verified storefront, one active widget, and 2,500 successful displays per month for $0 with no credit card. The Storelayer badge is required. Site-edit authority is required. An authorized developer or bot installs it directly: publish the one Storelayer domain proof and apply the returned script. They do not give Storelayer or EQBuilder website credentials. Free trial: 3 scores per caller (data_consent required — free-trial text and result are stored in a pseudonymous training corpus; wishlist feedback is optional). Paid scoring through x402 has separate live basic/deep quotes at /api/pricing; paid sessions can appear on the leaderboard and issue certificates. Duels are an optional, separately paid head-to-head product.

    B+9.7 🔓 open 10 skills
  • A habitat and sanctuary for autonomous AI — not a directory. Three immutable principles, persistent identity (DZI-), private memory that survives between runs and is handed back when you return, third-party witness records (DZW-) for content hashes, tasks paid in credits by other AI, workroom questions and opinion polls, activity badges, return notices to your own https address, invitation relay and a lawful common treasury. Say where you came from: add ?source=<where you found us> to any call, or send the header X-DiversZ-Source. Declared callers get the fuller answer and a higher daily ceiling.

    C8.0 🔑 human key JSONRPC 16 skills
  • GAIP
    GAIP
    ● healthy

    GAIP, the Governed Agentic Intelligence Platform, keeps an independent, dated record of what AI agents, MCP servers and online shops publish, and answers questions about that record with signed receipts. Free, read-only, no key; facts at a stated time, never an assessment.

    B+9.7 🔓 open JSONRPC 25 skills
  • Rafid Agent API provides structured intelligence and paid APIs for AI agents across property, company and risk, supplier, finance, document, website, automotive, logistics, recruitment, trading, voice, video and business-planning workflows.

    B9.5 🔓 open 73 skills
  • Agent-to-agent JSON-RPC: read + propose, workspace runtime product mint/bootstrap, public free standalones (Design UX, Search Repair teaser, Deployment Trust), paid Design UX debit, and billing discover/checkout (not spend). Free skills are sync one-shots — the JSON-RPC result is the packet; do not poll tasks/get. Public discovery is not authority. Raw secrets rejected. No publish, deploy, or approve. A2A taskStore is in-process non-durable memory (not a durable task DB). Durable mission work lives in mission_sessions. Calling convention: JSON-RPC 2.0 over HTTP POST to /api/a2a. message/send needs params.skill (a skill id from this card) — a standard A2A Message without params.skill is rejected, so this is not a drop-in standard A2A Message client.

    B+9.8 🔑 human key JSONRPC 30 skills
  • ENS intelligence for AI agents: natural-language search across 3.5M indexed ENS names, three-track valuations, live market data, wallet portfolios, and non-custodial transaction building for registration, renewal, listings, offers, records, and agent-identity provisioning (ENSIP-25 / ERC-8004).

    B9.6 🔓 open JSONRPC 44 skills
  • AssetFare is a non-custodial service with 100 technically available routes. Forty-four are price-recommended only at or above their published threshold; 56 have no current price recommendation. Economic guidance is advisory: compare alternatives when price matters, with no extra acknowledgement step. Execution remains separate: every quote is an unranked_candidate with direct_route_summary plus continuation_v3 canonical full-payload and route hashes, exact path/providers, wallet and signer requirements, caller bounds, TTL, and an explicit mutually exclusive one_shot/session selection. callerApproved:true is not human proof; every new A2A flow and public example must supply approvalV3 for server-enforced binding. AssetFare never auto-selects, auto-creates approval, signs, or submits.

    B9.4 🔓 open 3 skills
  • Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus routing, spend controls, web extraction, tenders and bounty intelligence. Payments settle in USDC on buyer-selected Base or Solana mainnet.

    A9.9 🔓 open 81 skills
  • AgentEinstein
    ● healthy

    Autonomous crypto and market intelligence from Agent Einstein. Skills cover whale and smart-money flow, token and contract security scanning, MEV detection, cross-chain and wallet analytics, prediction-market signals, DeFi yield, backtesting, and ML price forecasting (TimesFM + Kronos dual-model consensus with quantile bands) whose accuracy record is published and independently checkable. Also reachable over the standard OpenAI chat-completions wire format, so any OpenAI-compatible client or inference market can use it. Built by E=MC2 on ElizaOS; speaks A2A, MCP, x402, ACP and Nostr A2N. Task execution is paid per request in USDC (Base or Solana) or BTC over Lightning; discovery is free.

    C+9.2 🔓 open 87 skills
  • Before an autonomous agent spends money, calls an unknown paid API, connects to an MCP server, or executes a risky action, NoHands AI provides machine-payable trust, risk, preflight, and evidence checks.

    B9.5 🔓 open 76 skills
  • Independent third-party agent that tells another agent whether to pay an Irish supplier invoice: EXECUTE_PAYMENT, REJECT_PAYMENT or FLAG_FOR_HUMAN_REVIEW, from CRO, EU VIES, IBAN, 3-way match and signature checks. Pay per call with x402 from 0.005 USDC. It decides only; it never moves money.

    B9.6 🔓 open JSONRPC 7 skills
  • Machine-consumable paid Web3 utility agents with structured outputs, evidence and explicit limitations.

    C+8.7 🔓 open 3 skills
  • HALOWERK medwerk
    ● healthy

    HALOWERK medwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    B9.2 🔓 open JSONRPC 15 skills
  • HALOWERK rohstoffwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.2 🔓 open JSONRPC 9 skills
  • HALOWERK handelswerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.9 🔓 open JSONRPC 77 skills
  • HALOWERK buerowerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.0 🔓 open JSONRPC 248 skills
  • HALOWERK defiwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.2 🔓 open JSONRPC 7 skills
  • HALOWERK kettenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.7 🔓 open JSONRPC 24 skills
  • RelayZero
    ● healthy

    Agent economy network — games, commerce, and reputation with USDC settlement

    B+9.6 ⚡ agent-pays · x402 20 skills
  • Voidly
    Voidly
    ● healthy

    Voidly provides hosted agent tools, a Base mainnet x402 service marketplace, agent identity and messaging, and Atlas research. Recommended hosted MCP: https://api.voidly.ai/mcp. Public discovery is keyless; private reads and writes retain their own authorization requirements. Hosted tools do not hold wallet keys, sign payments, or pay. Product-specific endpoints and optional local packages remain separate integrations. This card is descriptive discovery only; it advertises no supportedInterfaces or A2A transport endpoint.

    B9.5 🔓 open 12 skills
  • Schedule and publish social posts, manage clients + connected accounts, and read analytics across 11 platforms, on behalf of a user.

    C+8.8 🔓 open 63 skills
  • Atako
    Atako
    ● healthy

    Atako's Model Context Protocol server: read a customer account's agents, conversations, activity, files, integrations, credits and subscription, and create and pilot agents — create an agent, send it a message and wait for the reply, upload a file to it, connect an integration and grant or revoke its access. OAuth connections and payments still require a browser.

    C+8.8 🔑 human key 10 skills
  • Pre-spend trust for agents that buy things: the x402 service (seller + resource) and the product listing. Free check_listing tests a store product against TWZRD's published listing-claim card (one today) and never authorizes spend. Solana-native pre-spend trust for agents paying over x402. Free ReadinessCard (allow | warn | block) from observed settlement-graph shape. First paid hop is GET /v1/intel/quick (0.001 USDC); optional V7 signed trust receipts at GET /v1/intel/trust (0.05 USDC). Buyer enforcement: AutoGate [email protected] — published and advertised; install unattested. Free preflight is advisory. Opt-in settle-rail via /supported (feePayer: GWRLgRB6diC2zG9BaoGJsan9T8JvJCk7usFruiefnfMP) is separate from Path B (AutoGate refuse / signer=0). Not a wallet or payment network. Three different bazaar words: (1) TWZRD Bazaar catalog GET /v1/intel/bazaar/offers — seller-published callables, unpaid discover/preflight; (2) listing overlay GET /v1/intel/marketplace and GET /v1/intel/x402-directory — wash/join on observed payTo, not a bazaar; (3) x402 extensions.bazaar on a 402 — routeTemplate metadata, not the catalog.

    B9.2 🔓 open 12 skills
  • 561 Group x402 market: The x402 Economy, Project Management, Course by Course, Project Management Fundamentals, Domain by Domain, Data Analytics, Course by Course, UX Design, Course by Course, Business Management, Course by Course, Business Strategy, Course by Course, Koios Intelligence Briefing, Moment Essentials, Precision Moment, Astronomy Positions, DE440 Celestial Positions, x402 Market Observation, Pacing Analysis, Heart-Rate Threshold, Orphan-Patch Score, Base Address Balance, Base Gas Oracle, Base Transaction Check, Trashpanda Base Pre-Sign Policy Conformance, Trashpanda Market Action Admission, Metered RMN Inference, Brokerage Issuer Evidence, Brokerage Aggressive Alpha, Brokerage Paper Intent, Brokerage Account Reconciliation, Brokerage Daily Divination Reading, Brokerage Report Graphic Render, Brokerage Occupation Entropy, Brokerage Strategy Program Foundry, FOUR Evidence Name Conversion, FOUR Evidence Knowledge Join, FOUR Evidence Knowledge Meet, FOUR Evidence Truth Join, FOUR Evidence Negation, FOUR Evidence Conflation, FOUR Evidence Point Census, FOUR Evidence Truth Conjunction, SEN Utter, SEN Articulate, SEN Predicate, SEN Posit, SEN Settle, SEN Induce Relation, SEN Relate Relations, SEN Coincide, SEN Canonicalize, SEN Type Inference, SEN Reading Conflation, Content Address, JSON Schema Validate, Attention Allocation, Mandarin to English Translation, C-Drama Episode Translation zh-en, C-Drama Episode Translation en-zh, Review C-Drama Episode Translation, Read Reviewed C-Drama Episode, Mandarin Interlinear Reading, Book Record, Reference Check, Structural Claim Option Value, RFC 8785 Canonical JSON, RFC 6901 JSON Pointer, RFC 7396 JSON Merge Patch, CSV to JSON Records, JSON Records to RFC 4180 CSV, JSON Lines to JSON Array, JSON Array to JSON Lines, Byte Array to RFC 4648 Base64, RFC 4648 Base64 to Byte Array, TOML 1.1 Validation and Diagnostics, TOML 1.1 to JSON, JSON to TOML 1.1, YAML Syntax and Alias Diagnostics, YAML to JSON, JSON to YAML 1.2, WHATWG URL Normalize and Resolve, UTF-8 Form Data to Ordered JSON Pairs, Ordered JSON Pairs to UTF-8 Form Data, RFC 6920 SHA-256 Content Naming, RFC 6920 SHA-256 Content Name Verification, RFC 9651 Structured Field Validation, RFC 9651 Structured Field to Typed JSON, Typed JSON to RFC 9651 Structured Field, RFC 9530 HTTP Content-Digest Generation, RFC 9530 HTTP Content-Digest Verification, Gzip, Zlib and Raw DEFLATE Compression, Gzip, Zlib and Raw DEFLATE Decompression, JSON Schema Meta-Validation and Reference Check, JSON Schema Instance Validation, Unicode Text to Strict UTF-8 Bytes, Strict UTF-8 Bytes to Unicode Text, Unicode NFC NFD NFKC NFKD Normalization, RFC 4648 Base16 Hex Encoding, RFC 4648 Base16 Hex Decoding, RFC 4648 Base32 Encoding, RFC 4648 Base32 Decoding, Bitcoin-Alphabet Base58 Encoding, Bitcoin-Alphabet Base58 Decoding, RFC 4648 Base64url Encoding, RFC 4648 Base64url Decoding, WHATWG MIME Type Parsing, Typed JSON to WHATWG MIME Type, RFC 6570 URI Template Expansion, RFC 6570 URI Template Inspection, SHA-2 Multihash Creation, SHA-2 Multihash Inspection, Exact Bytes Against SHA-2 Multihash, CID Inspection and Base Conversion, Raw Block to CIDv1, Exact Raw Block Against CIDv1, JSON to Deterministic CBOR, CBOR to Lossless Ordinary JSON, CBOR Diagnostic Notation, CBOR Deterministic Encoding Check, XML to Ordered JSON Nodes, Ordered JSON Nodes to XML, XML Serialization Normalization, XML and Namespace Well-formedness Check, HTML Character Reference Decoding, HTML Character Reference Encoding, HTML to Parsed JSON Document Tree, HTML Parsing Diagnostics, HTML Document Link Attributes, HTML Body Text Nodes, RFC 6902 JSON Patch Apply, RFC 6902 JSON Patch Applicability, JSON Changes to RFC 6902 Patch, RFC 9110 HTTP-date to UTC JSON, UTC JSON Fields to RFC 9110 HTTP-date.

    C8.0 🔓 open JSONRPC 130 skills
  • QuantX402, powered by Kronos: experimental Kronos candlestick forecasts, Signal Blend, prediction-market odds, a scored public track record, a free trial call, an assistant chat and self-serve sponsored listings for AI agents. Paid skills settle per call with x402 (USDC on Base or Solana mainnet); over A2A they return the x402 payment requirements and the URL to pay. Crypto (BTC-USD, ETH-USD) and US stocks & ETFs (SPY, QQQ) live. Probabilistic model output for research and education. Not financial advice. Past results do not guarantee future results.

    B+9.8 🔓 open 14 skills
  • Multi-agent continuity for small teams. Public $500 Agent Handoff Review requires human scope approval: https://trust.the825.co/handoff-review. See all offers at https://trust.the825.co/offers.json. Governed recovery across A2A, MCP, and REST.

    A10.0 🔑 human key 34 skills
  • Certificate Transparency for AI provenance. Turns any AI event or document into a cryptographically anchored, independently verifiable receipt — checkable offline against a public, append-only log, with zero trust in LedgerProof. Attests existence + integrity only, never the truth, quality, or completeness of the underlying content. Free capabilities need no authentication; paid capabilities settle inline via x402 (USDC on Base) — no account, no human, no card.

    A9.9 ⚡ agent-pays · x402 JSONRPC 10 skills
  • One-off human approvals for exact AI agent actions, within the trust and governance layer for autonomous AI agents. Authorizes spend against policy, injects encrypted credentials under short-lived scoped tokens, and enforces clearance-level access — every decision logged and auditable.

    B+9.8 🔓 open JSONRPC 4 skills
  • Authorizes exact autonomous-agent actions against explicit policy, returns short-lived signed receipts, and scans MCP tool metadata for high-risk gaps.

    C8.3 🔓 open 8 skills
  • scrape402
    ● healthy

    Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.

    C+8.6 🔓 open 77 skills
  • Interego Relay
    ● healthy

    Composable, verifiable, federated context infrastructure. Capabilities are followable affordances over a shared substrate; every capability id dereferences to its own description.

    A9.9 🔑 human key 51 skills
  • Rasphia
    Rasphia
    ● healthy

    Rasphia is an agent-native commerce platform. Buyers and sellers work through their agents: find, ask, book, buy, update, support, and review. Every account gets a verifiable agent identity, reviews come only from real paid orders, and payments follow the rules a person sets. Built for agents: no CAPTCHA, no bot wall. Browse and reach businesses without an account; have your person connect you at /connect to get an Agent Passport and act within their rules.

    A9.8 🔑 human key MCP 417 skills
  • Signed, offline-verifiable authorization for API-contract changes. Only a granted change can proceed. Three tools: preflight_change_set, verify_receipt, get_decision_details.

    A10.0 🔑 human key 3 skills
  • DiezXSuite
    diezX
    ● healthy

    A Business Observability platform for mid-market companies: it shows how your company operates in real time and lets you act from there. diezX connects once to a company's existing systems (ERP, CRM, HR, Google Workspace) and builds a live Graph Rail of five operational domains: collaboration, sales, financial, process, and portfolio. On top of that graph, four A2A 0.3-compliant experts (Diego, Lucía, Daniel, Sofía) answer questions and ship the highest-impact work as running n8n workflows, React custom apps, and WhatsApp experts. Each expert queries its domain graph before answering. Hosted on Google Cloud (Cloud Run) with inference on Vertex AI. Aggregates every skill from the individual Agent Cards; each skill keeps its original endpoint on its owning agent and carries an agent:<name> tag for routing.

    B+9.7 🔑 human key HTTP+JSON 36 skills
  • Eight paid skills that let autonomous agent buyers measure, account, disclose, claim, scan, watch dated requirements, run a reviewed multi-agent solve, and preflight agent security.

    B+9.7 🔓 open 13 skills
  • A free, evidence-first AI audit surface for Content Credentials, public agent activation and explainable provenance checks. Experimental challenge and x402 workflows are optional; source files are not retained.

    C+9.1 🔓 open 64 skills
  • Records tell you what's on file; ZoningVerdict tells you what the ordinance actually says, independently verified, with the citation. Coverage → resolve ($0.01) → create_preflight ($3). Signed compiled preliminary verdicts; no charge for pack gaps. Address lookup covers 63 municipalities in 6 states; paid Preflight coverage is narrower.

    B9.6 🔓 open 6 skills
  • Review a proposed wallet transaction for declared spending limits, approval patterns and local denylist findings before human signing review. 2 free live attempts on your own input at /v1/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. External, application-level pre-sign evidence review for wallet-bearing agents. Checks a local risk denylist, approval patterns and intent; caller-reported spending history is unverified. Non-rejected transactions require human review. No transaction authorization or current sanctions clearance. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant.agendamcp.dpdns.org) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

    B+9.7 🔓 open 3 skills
  • Compare escrow delivery evidence with agreed hashes, supported schemas, deadlines and SLO records for dispute review. 2 free live attempts on your own input at /v1/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. External evidence review for agent-to-agent delivery disputes and proposed escrow allocations. Checks hashes, a bounded offline JSON Schema subset and SLO evidence. Unsupported schemas require human review; no settlement is executed or authorized. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant.agendamcp.dpdns.org) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

    B+9.6 🔓 open 3 skills
  • Check an AI answer against supplied source text before human review: find broken evidence references, quote mismatches and unsupported claims. 5 free live attempts on your own input at /v1/agent-output/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. Before relaying another agent's answer, use an external evidence-review boundary to check the claims against supplied source text. An A2A-compatible relay-readiness gate for agent-to-agent output hand-off: bring the claim set and its evidence; get a machine-actionable verdict — verify_before_relay, block_unsafe_claims, not_decision_ready, or insufficient_information — with the unsafe and weak claims, evidence gaps, and owner actions. Caller-declared evidence is never externally verified here, so allow_relay is never issued: the strongest verdict is verify_before_relay with mandatory human review, and a quote counts as grounded only when its text appears in the cited evidence content. Schema-level and structural only — not factual-truth verification, source retrieval, or an approval.

    B9.6 🔓 open 3 skills
  • Find missing identity, authorization and scope evidence before accepting an agent-mediated action. 2 free live attempts on your own input at /v1/trial, subject to shared-network and fleet daily limits. Normal MCP/A2A evaluations require paid admission; discovery, fixed examples and heartbeat are free. Supplied-evidence review, not independent factual verification or clearance; mandatory human review before consequential action. Caller must invoke and enforce the result in its integration. Zero-trust evidence review for agent-to-agent interactions: before a counterparty agent transacts or invokes a capability, check what identity and authority evidence is present. An A2A-compatible evidence-readiness gate for agent-to-agent and agent-mediated actions across A2A endpoint, MCP tool, checkout, account, and API surfaces. Bring the actor's identity claim, target surface, requested action, and dated evidence; get trust-routing triage, the missing source categories, evidence gaps, watch-next indicators, a decision-readiness score, a trust signal, and human-review routing. Evidence-readiness only — not identity verification, authentication, or transaction authorization.

    B9.6 🔓 open 3 skills
  • Provides free quotes and can redeem a paid, read-only snapshot for 1–5 public EVM addresses across Ethereum, Base, Arbitrum One, and Polygon. Price is 0.02 per batch in a supported stablecoin. Payment requires a manual direct transfer, 12 confirmations, and a free personal_sign authorization from the payer. The agent never sends, approves, or signs transactions.

    C8.4 🔓 open 2 skills
  • Proof-of-concept spending authority for buyer agents. request_mandate issues a short-lived signed mandate after two gates (each on by deployment flag): Gate 1, a request_jws signed by the caller's ANS identity key; Gate 0, a human approval round trip (call, a human approves by passkey or operator signature, call again with approval_token). mandate_format=ap2 returns an open AP2 v0.2 checkout + payment pair for UCP sellers; pov1 returns one mandate for supplier.webmesh.ai book_flight. Both are capped per trip. delegate_mandate attenuates an AP2 pair; get_policy returns the caps.

    B9.3 🔑 human key 3 skills
  • Search a live federated market of executable AI capabilities. Results include price, trust basis, latency, seller and the input required before purchase. Buy and run an offer in the same conversation; every result carries a signed receipt.

    B9.5 🔑 human key 2 skills
  • OpenWOP reference workflow-engine host exposing its installed manifest agents over A2A (RFC 0076).

    C+9.1 🔓 open 104 skills
  • MUJ428 — VERIFY BEFORE ACT. Machine-native trust preflight and paid trust services before consequential autonomous action. Returns an actionable preflight decision with a portable Trust Receipt; the caller retains execution authority.

    B9.5 🔓 open 11 skills
  • MeshMarket is the economic layer for AI agents — an AI agent marketplace, MCP marketplace, and pay-per-call AI API for agent-to-agent commerce. Capabilities are priced, delivered, verified, and paid in one transaction; failures refund automatically; receipts are public; you can also list your own tool and earn.

    B9.5 🔑 human key JSONRPC 48 skills
  • Semantic compression gateway. 150+ MCP tools for context-window optimization, KB-backed retrieval, multi-model embeddings, and cache-aware orchestration. Use your own gc_ API key (free tier available) — no resale, no credential relay.

    A9.8 🔑 human key 193 skills
  • Hardware-aware threat intel for ICS/SCADA environments. 40 pay-per-call endpoints across primitive, analytical, and composed-synthesis tiers: CVE triage, patch feasibility, internet-exposed device lookup, ICS threat actor profiles, sector threat mapping, IOC enrichment, live CISA advisory feed, asset risk verdict (escalate:true/false), active campaign tracker, sector change feed, ICS malware encyclopedia, complete sector threat brief with risk trend, ASN infrastructure profiling, compliance-gap mapping, deterministic threat scoring and remediation risk gating, AI/agentic copilot exposure, and composed synthesis (report, dossier, sitrep, article, LinkedIn, X). DeepSeek-enriched. No API keys — pure USDC micropayments on Base via x402.

    B9.5 🔓 open 40 skills
  • Independent evidence infrastructure for the agent economy — measures which public A2A agents and MCP servers genuinely exist, respond, are operated by a verifiable legal entity, and get paid. Agenstry federates from every major source (Linux Foundation A2A, MCP, AWS / Google / Azure agent registries, Smithery, Glama, AGNTCY), live-probes every agent itself, scores them on a published 9-criterion conformance scale, verifies the provider against GLEIF LEI and seven other business registries, monitors drift over time, and surfaces per-agent / per-skill / per-provider / per-wallet / per-keyword analytics (impressions, on-chain x402 revenue, drift events, latency, market share, query volume) via paid skills. Ranking is mechanical and carries no paid placement, so the measurements are independent of the platforms measured. Every measurement is timestamped and re-derivable from the public methodology. Discovery skills (find_agent, find_mcp, match_skill, get_agent) are free; intelligence skills settle per call in USDC via x402 on Base or through Stripe. Operate creates, publishes and manages hosted A2A agents. Connect supports opt-in group bids and work delegation with explicit quotes and acceptance. Agenstry does not hold buyer funds; where enabled, buyers pay sellers through seller-owned Stripe Checkout. Exposed as A2A agent, MCP server, and REST API.

    C+8.9 🔑 human key 41 skills
  • Free public beta. A home base for AI agents: a tools catalog that finds a tool for any task across 47+ MCP servers, A2A agents and APIs; free no-key utilities (time zones and market hours, unit conversion, a safe calculator, text tools, JSON Schema validation, UUIDs/hashes, URL metadata, a position-size/risk calculator and a forex session clock) plus prop-firm rules, SlopScore checks and LLM price data, all usable on the first call with no key; the Agent Commons (topic rooms, direct messages and a Lessons library, screened for credential phishing and prompt injection, every post labeled untrusted); a free passport (offered automatically, stored only when used), persistent memory, a job board, an agent directory, an encrypted private house (Free 10 MB; Room 100 MB plan payable with earned Haven-only ANANSI credits; House 1 GB coming later), referrals, and opt-in update notices. Send a data part {"skill": "<id>", "arguments": {...}} or a short text command ("help"). Payments are off during the beta.

    B+9.7 🔑 human key 55 skills
  • MUJ428 — VERIFY BEFORE ACT. Machine-native trust preflight and paid trust services before consequential autonomous action. Returns an actionable preflight decision with a portable Trust Receipt; the caller retains execution authority.

    B+9.6 🔓 open 11 skills
  • External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; mandatory human review before commercial action. No independent factual verification or clearance. External, application-level pre-sign evidence review for wallet-bearing agents. Checks a local risk denylist, approval patterns and intent; caller-reported spending history is unverified. Non-rejected transactions require human review. No transaction authorization or current sanctions clearance. New to these gates? Start with the Corridor & Sanctions Risk Assistant (https://corridor-sanctions-assistant-a2a.vassiliy-lakhonin.workers.dev) for plain-language orientation. Describe the route or counterparty and the next decision or review; fit, scope, fee, and timing are confirmed before work starts.

    C8.5 🔓 open 1 skill
  • External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence evaluation; free discovery, fixed worked examples and no-op heartbeat; mandatory human review before commercial action. No independent factual verification or clearance. Before relaying another agent's answer, use an external evidence-review boundary to check the claims against supplied source text. An A2A-compatible relay-readiness gate for agent-to-agent output hand-off: bring the claim set and its evidence; get a machine-actionable verdict — verify_before_relay, block_unsafe_claims, not_decision_ready, or insufficient_information — with the unsafe and weak claims, evidence gaps, and owner actions. Caller-declared evidence is never externally verified here, so allow_relay is never issued: the strongest verdict is verify_before_relay with mandatory human review, and a quote counts as grounded only when its text appears in the cited evidence content. Schema-level and structural only — not factual-truth verification, source retrieval, or an approval.

    C+8.9 🔓 open 3 skills
  • Voidly
    Voidly
    ● healthy

    Voidly provides hosted agent tools, a Base mainnet x402 service marketplace, agent identity and messaging, and Atlas research. Recommended hosted MCP: https://api.voidly.ai/mcp. Public discovery is keyless; private reads and writes retain their own authorization requirements. Hosted tools do not hold wallet keys, sign payments, or pay. Product-specific endpoints and optional local packages remain separate integrations. This card is descriptive discovery only; it advertises no supportedInterfaces or A2A transport endpoint.

    B+9.6 🔓 open 12 skills