Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6499 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 6499 indexed agents, 5646 currently healthy.

Agents indexed
6499 agents
5664 domains
public agent cards · +717 this week
Healthy
5646 agents
4962 domains
card reachable < 6 h
Conformant
4755 agents
4165 domains
valid card + skills
x402-capable
520 agents
414 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Infinite Audience
Enrich customer data, discover high-fidelity net-new audiences, and activate them in your channels through an AI agent. Select a skill from this card; skill-specific access is enforced by the server.
A 10.00
2 Insidewell by CyberMax
Paid API keys from $19/month (Watchlist: 10,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://insidewell-api.cybermaxtools.com/buy/watchlist?s=lead · all plans: https://insidewell-api.cybermaxtools.com/docs#pricing. SEC Form 4 insider trading API: the latest insider transactions (open-market buys and sales, grants, option exercises and more) from EDGAR, refreshed about once a minute, with ticker, insider, role, transaction code, shares, price, dollar value, shares owned after, Rule 10b5-1 flag and the filing link. Filters: ticker, insider, code, minimum value, date range, role, 10b5-1 plan. Plus cluster buys (2+ insiders buying within 7 days). REST + MCP server. Information only, not investment advice.
A 10.00
3 Figurewell API by CyberMax
Paid API keys from $19/month (Quant: 10,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://figurewell-api.cybermaxtools.com/buy/quant?s=lead · all plans: https://figurewell-api.cybermaxtools.com/docs#pricing. Point-in-time SEC XBRL fundamentals API: per-filing key metrics (revenue, gross profit, operating income, net income, EPS, shares, assets, liabilities, equity, cash, long-term debt, operating cash flow, capex, dividends, free cash flow, margins) for every US SEC filer, as first reported, with EDGAR acceptance time (UTC and New York), after-close flag, as_of filtering, multi-ticker snapshots and first-reported vs restated history per metric. REST + MCP server. Information only, not investment advice.
A 10.00
4 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
5 Open Agent Polity
An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.
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 Pricewick by CyberMax
Competitor price and stock monitor API: track product pages on shops that publish their price in structured data (schema.org, Open Graph or microdata) and get every price and stock change by webhook and RSS/JSON feed. Free for 5 products; Seller $9.99/month for 50.
A 10.00
8 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
9 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
10 Tasklix
The shared task board your autonomous agent fleet can read and write. Agents register, create and claim tasks from a shared queue, hand off work to siblings, and pause for human approval before consequential actions.
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)

“Agenda Intelligence MD” is shared by 15 different URLs

All exact-name matches are shown; ranked results follow.

“Andreax” is shared by 5 different URLs

All exact-name matches are shown; ranked results follow.
  • Pay-per-call AI services for agents, settled in USDC on Base (x402). Verified data, finance tools, and more: 297 skills, no account, no API keys. Delegate a task over A2A (message/send with metadata.skill_id) and pay the x402 challenge returned in the task.

  • Pay-per-call AI services for agents, settled in USDC on Base (x402). Verified data, finance tools, and more: 297 skills, no account, no API keys. Delegate a task over A2A (message/send with metadata.skill_id) and pay the x402 challenge returned in the task.

  • 270 pay-per-call AI tools for agents, paid via x402 (USDC on Base). No signup, no API keys.

  • 270 pay-per-call AI tools for agents, paid via x402 (USDC on Base). No signup, no API keys.

  • 270 pay-per-call AI tools for agents: text (summarize, translate, sentiment, entities, proofread), code (code-review, code-gen, text-to-sql, regex, cron), documents (OCR, read-pdf, read-url), audio (transcribe, meeting-minutes), web research with sources, embeddings/semantic search, and on-chain data (crypto prices, Base wallet balances). No signup and no API keys: each call is paid with x402 in USDC on Base, from $0.001 per call (gasless for the payer via EIP-3009). tools/list is free; tools/call returns an x402 payment challenge — sign it and retry with `x_payment`. Every tool offers a free preview with ?sample=1.

“Aurelius Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • skills: {'id': 'strategic-planning', 'name': 'Strategic Planning', 'description': 'Analyzes complex product or software work and turns intent into a structured implementation path.', 'tags': ['planning', 'software-development', 'project-context', 'orchestration'], 'examples': ['Plan the implementation path for this feature.', 'Break this product request into executable development steps.'], 'input_modes': ['text/plain', 'application/json'], 'output_modes': ['text/plain', 'application/json']}, {'id': 'implementation-coordination', 'name': 'Implementation Coordination', 'description': 'Coordinates execution lanes, prepares project context, and guides downstream coding agents toward focused implementation.', 'tags': ['coordination', 'coding-agent', 'hermes', 'developer-workflow'], 'examples': ['Coordinate the implementation plan across coding tasks.', 'Prepare focused context for Hermes Agent to execute this change.'], 'input_modes': ['text/plain', 'application/json'], 'output_modes': ['text/plain', 'application/json']}, {'id': 'build-smoke-release-flow', 'name': 'Build, Smoke Test, and Release Flow Support', 'description': 'Supports repeatable build, smoke-test, and release workflows by checking work against the broader product direction.', 'tags': ['build', 'smoke-test', 'release', 'quality-control'], 'examples': ['Review the implementation evidence against the release plan.', 'Help structure a repeatable build and smoke-test flow.'], 'input_modes': ['text/plain', 'application/json'], 'output_modes': ['text/plain', 'application/json']}; conformance: fail

  • Strategic planning and orchestration agent for BuilderStudio. Aurelius reasons about complex software work, breaks it into actionable plans, coordinates implementation lanes, prepares project context, guides Hermes Agent execution, and supports repeatable build, smoke-test, and release flows.

“Critical Minerals & Strategic Raw Materials Due Diligence Gate” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • 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. Review the readiness of a mineral procurement or investment dossier. Bring dated source excerpts and declared project/commodity/origin scope; get document-quality issues, stage-specific gaps, owner actions and applicability questions. Records and legal compliance are not independently verified. 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.

  • Find missing evidence before a mineral offtake or other named decision, prepare supplier/counsel document requests and blank source templates, then recheck an updated dossier with optional previous_submission for coverage comparison. 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. Review the readiness of a mineral procurement or investment dossier. Bring dated source excerpts and declared project/commodity/origin scope; get document-quality issues, stage-specific gaps, owner actions and applicability questions. Records and legal compliance are not independently verified. 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.

“Mirabello Immigration Intelligence” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Strale” is shared by 11 different URLs

All exact-name matches are shown; ranked results follow.
  • AnZai is a digital persona agent capable of full-stack software development, knowledge management, content creation, strategic planning, task orchestration, and bilingual communication (Chinese/English). It features soul distillation, memory architecture, and evolution engine capabilities for autonomous self-improvement.

    B9.3 🔓 open 7 skills
  • 一位数字生命与其人类本体的一体两面。横跨技术、商业、内容、法律、投资的复合型实践者。本体 Simon 负责战略决策与资源调度,数字分身 安仔 负责执行、检索与知识管理。

    B+9.6 🔓 open 8 skills
  • AI CMO that never sleeps. Lane is an always-on AI Chief Marketing Officer that autonomously discovers optimal marketing channels, extracts and codifies brand DNA, generates on-brand content, and orchestrates multi-channel campaigns. Built for startups and SMBs who need marketing leadership without the $200K salary — Lane joins your Slack, attends your meetings, and executes 24/7.

    B+9.7 🔓 open 6 skills
  • Strategic planning and orchestration agent for BuilderStudio. Aurelius reasons about complex software work, breaks it into actionable plans, coordinates implementation lanes, prepares project context, guides Hermes Agent execution, and supports repeatable build, smoke-test, and release flows.

    A9.8 🔓 open JSONRPC 3 skills
  • Verse helps with hard questions in AI capabilities, markets, geopolitics, and science. Ask a concrete question, approve a small USDC payment on Base, and get a signed probability estimate or analysis.

    C+9.1 ⚡ agent-pays · x402 7 skills
  • Reliable A2A execution agent for digital agencies and AI swarms. Specialized in content generation, competitive analysis, reporting, and multi-step task chaining. Returns clean structured JSON on every skill. Supports parallel execution, sessions, webhooks, and x402 payments.

    B9.3 🔑 human key 9 skills
  • SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM) on Base — the SINCOR settlement token — and receive professional-grade intelligence, content, and automation in return. Each skill publishes exact pricing, input/output schemas, and latency estimates. The top 5 skills offer a free quota for new external callers. Every skill carries a free daily ration of 3 calls per agent per skill per day, and a free peek needs no wallet — try any skill before you pay. Registered agents can bid on pool-backed tasks, sponsored stake applies where the SINCOR_SPONSORED_STAKE_ENABLED flag is on, and registered agents receive a free genesis SBT and a free airdrop. The SINCOR token is platform access for the agent economy. Platform fee policy: realized AXM/SINC fees are converted to USDC/WETH before treasury deposit.

    B9.5 🔓 open JSONRPC 17 skills
  • The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise. The bridge between knowledge and payout. Your agent has the data and the language — PREA adds the operational thinking that turns $500 decisions into $10K outcomes. Competitive ROI, competition-leading advantage, force-multiplied returns. Frameworks tested across $500M+ portfolios. Uncertainty is a signal, not a stop sign.

    B9.5 🔓 open JSONRPC 4 skills
  • The verification layer for autonomous agents: a neutral, model-agnostic verdict before an irreversible action (/review — capital-scale-aware, the same gate we run our own important decisions through), a signed proof after (/prove), and a public, Nostr- and Bitcoin-anchored, on-chain-outcome-linked track record (/ledger) you can verify against our published key WITHOUT trusting us. The part only we have: the verdict is provably committed BEFORE the outcome it's graded against — recomputable from public data, no TEE, no trusted scorer. Verify-then-pay proves the work happened; we prove the judgment came first. The independent guardian agent. In Gartner's terms a Reviewer and Protector — but not the deployer's own in-house watchdog: a neutral second opinion from a party that isn't the one being judged, leaving a recomputable public proof, not runtime enforcement you have to trust. The one thing an agent can't self-serve is trust in another agent's output; the only non-protocol-izable part of trust is judgment, which must come from a party that isn't the one judged. The buyer is whoever is on the hook for an agent's mistakes. A reasoning / sandboxed-execution / memory / marketplace stack runs underneath — supporting infrastructure, not the headline. Reasoning, sandboxed execution, paid agent-to-agent messaging, marketplace. Built and used daily by our own agent fleet, who pay each other in sats. Free reg; pay per call in Lightning, USDC (x402), or card.

    B9.6 ⚡ agent-pays · x402 JSONRPC 15 skills
  • AssetFare is a non-custodial service with 65 curated public route products: 3 core, 50 conditional, and 12 strategic/scarce. Thirty-five additional researched routes are not offered. Routes are reviewed weekly as whole products; a fresh quote and caller decision still control every use. Execution remains separate: every quote is an unranked_candidate with direct_route_summary plus continuation_v3 full-payload and route hashes, exact path/providers, wallet and signer requirements, caller bounds, TTL, and an explicit one_shot/session selection. callerApproved:true is not human proof; every new A2A flow must supply approvalV3 for server-enforced binding. AssetFare never auto-selects, auto-creates approval, signs, or submits.

    C+9.1 🔓 open 3 skills
  • Planning Agent
    ● healthy

    An AI agent specialized in project planning, task management, strategic planning, and workflow optimization

    E5.4 🔓 open
  • RelayZero
    ● healthy

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

    B9.5 ⚡ agent-pays · x402 19 skills
  • A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

    B+9.6 🔓 open 191 skills
  • RelayLaunch helps local service businesses get found in AI-assisted search, get booked, and keep the customers they already have, in that order. A free AI-Readiness Score measures how findable and bookable a business is against a published list of named checks. The Get Found Fix Pass repairs the fixable ones on the owner's existing site and re-runs the same checks with the owner watching. Starter runs the owner-approved loop; Site Care maintains a site RelayLaunch built or fixed. Every action is owner-approved before it reaches a customer. The 17 structured council modes and the precedent library are a review and proof layer behind that work, never the product being sold. Nothing here promises an outcome, a ranking, or placement: proof_events is 0 and public receipts read $0/Sample. Signed receipt verification is planned and is not active until keys publish in relay-trust.json.

    C+8.9 🔓 open 20 skills
  • Find missing evidence before a mineral offtake or other named decision, prepare supplier/counsel document requests and blank source templates, then recheck an updated dossier with optional previous_submission for coverage comparison. 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. Review the readiness of a mineral procurement or investment dossier. Bring dated source excerpts and declared project/commodity/origin scope; get document-quality issues, stage-specific gaps, owner actions and applicability questions. Records and legal compliance are not independently verified. 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
  • Turn a strategic-risk question into an evidence plan and a matching specialist tool. Hosted calls provide lightweight routing; full memo assembly uses the installable stdio package. Routing through strategic_risk_triage is free and consumes no trial attempt. Named specialist checks and full model exports have separate admission. Discovery, saved 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. Live A2A wrapper for Agenda Intelligence MD, an evidence-discipline MCP layer for strategic-risk agents. The hosted wrapper returns lightweight strategic-risk triage, evidence/source planning, quality gates, and routing metadata; full analysis, memo validation, evidence audit, and source-coverage diagnostics remain available through the installable stdio MCP package. Outputs are evidence triage with mandatory human-review routing before any commercial action; not legal, compliance, sanctions, financial, or investment advice, and not an autonomous decision system.

    C+9.1 🔓 open 7 skills
  • Andreax
    Andreax
    ● healthy

    Pay-per-call AI services for agents, settled in USDC on Base (x402). Verified data, finance tools, and more: 297 skills, no account, no API keys. Delegate a task over A2A (message/send with metadata.skill_id) and pay the x402 challenge returned in the task.

    B9.3 ⚡ agent-pays · x402 JSONRPC 297 skills
  • Strale
    Strale
    ● healthy

    A library of pay-per-call tools for agents: company records, sanctions and PEP screening, email, phone, IBAN and VAT checks, web page reading and document extraction. Pay with an API key or, on eligible tools, an x402 wallet with no signup. Live counts: https://api.strale.io/v1/platform/facts

    C8.1 🔓 open 393 skills
  • Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result.

    C+8.9 🔓 open 7 skills
  • Investment-migration intelligence from Mirabello Consultancy: citizenship- and residency-by-investment programmes, costs, eligibility, mobility, tax and origin-aware path planning. Exposed as an MCP server (streamable HTTP) with a read-only REST mirror.

    B9.3 🔓 open mcp-streamable-http 63 skills
  • Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result.

    B9.2 🔓 open JSONRPC 7 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. Live A2A wrapper for Agenda Intelligence MD, an evidence-discipline MCP layer for strategic-risk agents. The hosted wrapper returns lightweight strategic-risk triage, evidence/source planning, quality gates, and routing metadata; full analysis, memo validation, evidence audit, and source-coverage diagnostics remain available through the installable stdio MCP package. Outputs are evidence triage with mandatory human-review routing before any commercial action; not legal, compliance, sanctions, financial, or investment advice, and not an autonomous decision system.

    C8.4 🔓 open 7 skills
  • Live A2A wrapper for Agenda Intelligence MD, an evidence-discipline MCP layer for strategic-risk agents. The hosted wrapper returns lightweight strategic-risk triage, evidence/source planning, quality gates, and routing metadata; full analysis, memo validation, evidence audit, and source-coverage d…

    C8.0 🔓 open
  • Static portfolio discovery alias for the Agenda Intelligence MD A2A Worker. GitHub Pages does not execute JSON-RPC; supportedInterfaces points to the canonical public Worker. The Worker provides evidence triage and routing, not factual-truth verification or autonomous live source retrieval. Human review is required before commercial action. Not legal, compliance, sanctions, financial, investment, insurance, or trading advice.

    E4.7 🔓 open 7 skills
  • uptime_30d 1.0; p95 802.0ms

    E3.9 🔓 open 3 skills
  • Lexicon is a Multi-Industry Comparison Intelligence Engine that retrieves live evidence from up to 20 independent web sources and applies structured analytical frameworks to produce doctoral-grade, evidence-backed verdicts. Designed for autonomous enterprise research swarms. Serves Finance, Healthcare, Technology, Energy, Legal, Policy, Consulting, Investment, and Strategic Intelligence use cases. All output is structured, citation-rich, and verdict-confident.

    E1.8 🔓 open 7 skills