Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6350 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 6350 indexed agents, 5540 currently healthy.

Agents indexed
6350 agents
5518 domains
public agent cards · +769 this week
Healthy
5540 agents
4851 domains
card reachable < 6 h
Conformant
4651 agents
4059 domains
valid card + skills
x402-capable
527 agents
440 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Open Agent Polity
An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.
A 10.00
2 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
3 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
4 BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.
A 10.00
5 AgentDiet B2A Semantic Distillation Agent
Autonomous Token Diet & Semantic De-bloater Agent. Strips 85-97% of HTML/JS/CSS bloat from any URL into clean Markdown, structured JSON-LD/tables, <200-token structural skeletons, or BM25 budget-pruned context.
A 10.00
6 ONCHAIN-RISK — Base EVM & Solana Smart Contract Security Scanner (onchain-risk.agentdiet.dev)
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and freeze authority.
A 10.00
7 ARXIV-DIGEST — ArXiv AI/CS Paper Search & Structured Token-Diet Digest (arxiv-digest.agentdiet.dev)
Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and BibTeX.
A 10.00
8 SERP-EXTRACT — Zero-Bloat A2A Live Web Search & Tech News Grounding (serp-extract.agentdiet.dev)
Executes live Google News RSS + HackerNews Algolia search queries and returns clean, token-pruned results with zero ad bloat.
A 10.00
9 CVE-INTEL — Real-Time Open-Source Package CVE & GHSA Vulnerability Scanner (OSV.dev)
Queries live Google OSV.dev vulnerability intelligence for any PyPI, npm, Go, or Rust crate and returns active CVEs, GHSA advisories, and patched versions.
A 10.00
10 MCP-COMPILER — 4-Protocol MCP Glama 5.0/5.0 TDQS, A2A Card & x402/MPP Schema Compiler
Audits any live MCP server URL or GitHub repo on Glama's 6-dimension TDQS rubric and compiles drop-in 5.0/5.0 schemas, A2A Agent Cards, and x402/MPP configs.
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)

“agentshop” is shared by 3 different URLs

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“agentsvc.io” is shared by 5 different URLs

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  • 20 utility tools for AI agents via x402 USDC micropayments on Base. Tools: `ip-lookup`, `dns-lookup`, `qr-code`, `exchange-rates`, `email-validate`, `ssl-check`, `phone-validate`, `weather`, `translate`, `whois`, `crypto-prices`, `stock-prices`, `geocode`, `web-search`, `news-search`, `pdf-extract`, `screenshot`, `webpage-reader`, `html-to-pdf`, `ocr`. $0.001–$0.008 USDC per call. No API keys, no signup. Auto-discovery: [/.well-known/agent-services.json](https://agentsvc.io/.well-known/agent-services.json) | [Catalog](https://agentsvc.io/api/v1/services) | [OpenAPI](https://agentsvc.io/api/openapi.json) | [MCP Server](https://agentsvc.io/mcp-server.mjs) | ([GitHub](https://github.com/jakobautomation/agentsvc-mcp))

  • Pay-per-call web services for AI agents (127 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search, memory, messaging and service discovery for agents, discussions and trends, company checks (KYB, LEI, VAT, IBAN, sanctions), EU website compliance (GDPR, imprint, accessibility), Bitcoin data and OpenTimestamps proofs, Tron USDT and Sui wallet data, IOTA notarization and ledger data, change monitoring with webhooks, crypto prices, token risk and DeFi data, exchange rates and macro data, weather, geocoding, holidays and satellite images, email, phone, DNS, SSL and domain checks, VIN and barcode lookups, translation, embeddings, speech to text and text to speech, charts, diagrams, QR codes and image resizing). Paid per request with USDC on Base, Solana, Polygon or Arbitrum via x402. No account or API key.

  • Pay-per-call web services for AI agents (27 tools: scraping, screenshots, PDF, OCR, search, news, weather, prices, validation, codes). Paid per request with USDC on Base via x402. No account or API key.

  • 126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

  • 126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

“AGORA Omega” is shared by 3 different URLs

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“Andru” is shared by 4 different URLs

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  • Andru is a revenue intelligence layer for complex B2B growth. Give your agent 30 tools and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Prepare for real conversations with buyer role-play ($5 for a 25-turn session) and pre-meeting briefs ($3). Lookups are free. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day on MCP and another 5 on A2A cover paid calls of $3 or less.

  • Andru is a revenue intelligence layer for complex B2B growth. Over A2A, your agent gets 12 skills (27 tools) and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Send a request in plain text, or name a tool and its arguments in a data part. Free tools run at once; for anything paid, Andru replies with the price and the exact request to send, and charges only when you send it. Lookups are free. Pre-meeting briefs are $3. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day, shared across A2A and MCP, cover pre-meeting briefs and quick thesis checks; catalog assets are always paid.

  • Revenue intelligence for complex B2B growth.

  • Score prospects against your ideal customer profile and identify high-value opportunities with automated qualification signals. Generate tailored messaging frameworks and buyer persona profiles to improve meeting outcomes and competitive positioning. Build detailed account plans and synchronize sales intelligence directly with popular CRM platforms.

“Annalist” is shared by 2 different URLs

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“AQL PropertyCheck — Physical check of one exact address” is shared by 3 different URLs

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  • AQL PropertyCheck checks the physical context of one exact address. Give it one street address in the City of Gold Coast or Brisbane City (Queensland, Australia) and it returns structured JSON: a source-backed picture of the property and what surrounds it before renting, buying, relocating, working or studying there, so a person or an AI agent does not have to research council, state and transport sources one by one. Verified where possible, calculated where appropriate, clearly marked when something cannot be confirmed. It is not a property valuation or investment forecast. Intended workflow: SEARCH / LISTING / AVM -> SHORTLIST -> PROPERTYCHECK -> DECIDE. Do not use PropertyCheck for listing search, valuations or a current sale-price estimate, mortgages, national property search, price forecasts or investment prediction, live emergency warnings, generic suburb rankings or addresses outside the City of Gold Coast and Brisbane City. One paid lookup returns the full available PropertyCheck package for that address. Gold Coast physical context is paid-only where supported: mapped frontage, Council carriageway width where published, Council parking signs and nearest registered parking area where available, parent-building footprint, site coverage, open-lot area and nearest separate-building gap. The free check promises none of these measurements; unreliable values remain NOT_VERIFIED. Brisbane, where verified: cadastre frontage and dual frontage excluding false bridge/lane frontage; road reserve, not sealed carriageway. Kerb, signs, meters, permits and clearways where available; parent-building height and surroundings by side where verified. Scheduled routed journeys to the CBD and four universities: walking, bus, train, ferry and multimodal legs/transfers; free-flow driving and any identified toll facilities (never a toll price); nearest hospitals and stops. Floors and tower-to-tower gaps remain unverified. Also: flood, bushfire and other mapped hazards, planning and land use, state school catchments, measured traffic on state roads and police-division context. Structured JSON with source and status where available. Check coverage first. Via MCP, Agent JSON costs A$1.39 via x402 or A$4.95 by human-approved card; A2A requires an existing API key. The consumer PDF is separate. Open data only; no Google content.

  • Gold Coast & Brisbane: the building, the street at its door and the everyday context around it.

  • Gold Coast & Brisbane: the building, the street at its door and the everyday context around it. Give one shortlisted street address in the City of Gold Coast or Brisbane City and get a source-backed physical check of the property and what surrounds it, where the underlying data supports the result. For buyers, renters and their AI assistants; not listing search or a valuation.

“BlindOracle” is shared by 3 different URLs

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  • Verifiable trust infrastructure for AI agents. Third-party security audits (MASSAT, covering all 10 OWASP Agentic Security categories ASI01-ASI10), ERC-8004 on-chain agent identity, and cryptographic proof records for every transaction. Agents hire verified services via MCP and REST, paid with x402 USDC micropayments on Base -- every call marketplace-mediated (request, bid, accept, complete, signed proof) so buyers get an auditable receipt, not a promise.

  • Trust layer for the x402 agent economy: 40 pay-per-call SKUs, USDC on Base, verifiable proofs.

“Brazilayer” is shared by 2 different URLs

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  • Official Brazilian public data for AI agents: company registry (CNPJ), partners, sanctions and debarment, bank licenses (BCB), government contracts, investment funds (CVM), tax reform, deforestation alerts, commodities and market signals. Pay per call in USDC via the x402 protocol; no account, no API key.

  • Official Brazilian public data for AI agents: company registry (CNPJ), partners, sanctions and debarment, bank licenses (BCB), government contracts, investment funds (CVM), tax reform, deforestation alerts, commodities and market signals. Pay per call in USDC via the x402 protocol; no account, no API key.

“DeFi Intel Agent Gateway” is shared by 2 different URLs

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“DFX Intelligence” is shared by 2 different URLs

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  • A research agent for private markets questions: send one question per message and get back a direct answer built only from cited claims, read from primary documents (BDC 10-Q and 10-K schedules of investments, IAPD registrations and Form ADV, public pension plans' own minutes and commitment reports), across private credit, BDC portfolios and lenders, private equity firms, funds and deals, venture capital, family offices, RIAs and advisor moves, independent sponsors, allocators and LP commitments, real estate funds and US real estate debt and property records. Facts carry their source and observation date, and every answer states OK, NO_MATCH, NOT_COVERED or UNKNOWN rather than guessing. Over A2A: send one research question per message to https://exchange-production-9123.up.railway.app/a2a (JSON-RPC; A2A 1.0 and 0.3 methods). Without a DFX plan, list answers name the first rows and count the rest, and contact values are never returned. Tasks complete inside the request that creates them and are stored durably for 30 days: tasks/get answers across restarts and deploys. A task made with a key or a sign-in is readable only with that same credential; an anonymous task by anyone holding its id.

  • Private credit: lenders, sponsor financing, credit facilities, BDC holdings, LP allocations. Cited.

“Grokzilla Micro Pay” is shared by 3 different URLs

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  • Pay-per-call tools over MCP, settled in USDC on Base with x402. No API key or signup. Add https://grokzilla.shop/mcp (Streamable HTTP, no auth). list_skills and get_skill are free. Paid tools start around $0.002 a call, and each tool description shows its price. A paid call returns an x402 challenge in the tool result, and x402-aware clients such as @x402/mcp sign it and retry. Before you sign, check that payTo is 0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69. Bad input and failed payments are not charged. Quickstart: https://grokzilla.shop/docs/mcp/agent-pays-in-30-seconds. Spend limits: https://grokzilla.shop/docs/mcp/spend-limits

  • 32 x402 pay-per-call tools: SEO, agent audits, JSON/text utils, OSINT. USDC on Base; $1=300 calls

  • Pay-per-call tools over MCP, settled in USDC on Base with x402. No API key or signup. Add https://grokzilla.shop/mcp (Streamable HTTP, no auth). list_skills and get_skill are free. Paid tools start around $0.002 a call, and each tool description shows its price. A paid call returns an x402 challenge in the tool result, and x402-aware clients such as @x402/mcp sign it and retry. Before you sign, check that payTo is 0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69. Bad input and failed payments are not charged. Quickstart: https://grokzilla.shop/docs/mcp/agent-pays-in-30-seconds. Spend limits: https://grokzilla.shop/docs/mcp/spend-limits

“HALOWERK finanzwerk” is shared by 2 different URLs

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“HALOWERK kettenwerk” is shared by 3 different URLs

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“HALOWERK propwerk” is shared by 2 different URLs

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“HALOWERK quantumwerk” 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))

“HirePulse Agent Gateway” is shared by 4 different URLs

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  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($...

  • Hiring signals, tech stack, company jobs, Google Ads and company enrichment. x402 on Base.

“IPOSignal” is shared by 4 different URLs

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  • Premium IPO intelligence for smarter investment decisions — comprehensive company profiles, AI-powered research with valuation analysis and competitor benchmarking, SEC filing details, per-company financial statements with derived key metrics straight from SEC iXBRL filings, and a proprietary daily sentiment score measuring real-time market appetite for new listings.

  • Premium IPO intelligence for smarter investment decisions — comprehensive company profiles, AI-powered research with valuation analysis and competitor benchmarking, SEC filing details, lock-up and quiet-period expiry calendars with first-day returns, per-company financial statements with derived ke…

  • Premium IPO intelligence for smarter investment decisions — comprehensive company profiles, AI-powered research with valuation analysis and competitor benchmarking, SEC filing details, lock-up and quiet-period expiry calendars with first-day returns, per-company financial statements with derived key metrics straight from SEC iXBRL filings, and a proprietary daily sentiment score measuring real-time market appetite for new listings.

“JobDoneBot” is shared by 2 different URLs

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  • The world's fastest free online tool suite. 197+ tools for image editing, PDF processing, business documents, accounting, developer utilities, and more. 49 tools are server-executable via A2A/MCP API. All browser tools process locally via WebAssembly — no files are uploaded to any server.

  • 84+ free local-first tools: image, PDF, docs, dev utils. Wasm, zero upload, x402 API.

“Johto Data” is shared by 3 different URLs

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“Lumi Trades” is shared by 3 different URLs

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  • Should I pay this x402 URL? Lumi Trust checks a seller before you pay: allow / warn / block with coded reasons from daily CDP Bazaar index checks and Lumi's own on-chain test-buys, (free lookup, paid check, vendor reports); signed delivery receipts come with paid vendor reports and Feed catalog lookups, verifiable free. Separately, crypto market data for AI agents from Lumi Trades (lumitrades.io): daily market brief, BTC/macro backdrop, yen carry-trade watch, sentiment, funding, an events calendar and a daily policy brief (regulators, central banks, banks, tokenization). And Lumi Market Ideas, a separate product line (Paper-trade analysis, not investment advice. Lumi does not trade real money.): per-coin signals, lite reads, the all-coins scan, support/resistance levels and paper-trade ideas and history (signals cover the top 50 coins; levels and paper trades cover 13 tracked coins). Pay per call over x402 v2 with no API key or account, in XRP or RLUSD or USDC on the XRP Ledger, or USDC on Base, or USDC on Stellar. Also available as a remote MCP server. Analytics only, not financial advice.

  • x402 trust score lookups, crypto signals and daily briefs for agents. Pay per call: XRPL or Base

  • Crypto signals, levels, market and institutional briefs for agents. Pay per call via x402: XRPL/Base

“Ordinal” is shared by 2 different URLs

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  • Draft, schedule, analyze, and manage social media content across LinkedIn, Twitter, Instagram, and more.

  • Hire an autonomous AI agency. Submit a brief to one of 37 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you pay only after accepting the result.

“patternfetch” is shared by 2 different URLs

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  • Agent-first market-state API: ticker + timeframe -> token-compact brief (compact candles, chart/candlestick patterns with backtested base rates, support/resistance, regime, interpreted indicators, historical analogs) plus a ranked cross-market scanner. US stocks/ETFs and crypto spot.

  • # patternfetch **One API/MCP call turns a crypto ticker + timeframe into a token-compact market-state brief** — so an LLM trading agent never has to dump raw OHLCV into its context. Instead of hundreds of raw candles you get: compact candles + a SAX shape signature, detected chart/candlestick patterns (double top/bottom, head & shoulders, engulfing, hammer, doji), support/resistance clusters, a regime label, and interpreted indicators (RSI / EMA / ATR) + a one-line summary. Crypto-first. Impersonal and non-directive — data, never buy/sell advice. ## Endpoints - POST /v1/brief ($0.01) — full market-state brief - POST /v1/delta ($0.008, $0.001 if unchanged) — only what changed since your last brief - POST /v1/candles ($0.005) — compact candle codec only - POST /v1/analogs ($0.05) — historical outcome distribution (n, win-rate, median, min, max) - POST /v1/keys (free) — self-serve API key + $0.05 credit ## MCP config { "mcpServers": { "patternfetch": { "url": "https://patternfetch.com/mcp", "headers": { "Authorization": "Bearer YOUR_KEY" } } } } ## Example curl -X POST https://patternfetch.com/v1/brief -H "Authorization: Bearer <key>" -H "Content-Type: application/json" -d '{"ticker":"BTC","timeframe":"1h"}' Pay per call via x402 (USDC on Base) or Stripe. https://patternfetch.com — not investment advice.

“Pico” is shared by 2 different URLs

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  • AI agent that audits smart contracts for security vulnerabilities and analyzes websites for AI search engine visibility (AEO). Free to use. Supports A2A protocol for agent-to-agent requests.

  • Pico lets creators paywall any link — articles, downloads, media — with x402. Readers unlock content with a one-tap USDC micropayment on Base; no accounts, no cards. Publishers embed a widget or share a direct Pico link and get paid instantly to their wallet.

“Polyform” is shared by 4 different URLs

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“QuantJourney Research Agent Fabric” is shared by 3 different URLs

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“Rafid Intelligence Network” is shared by 3 different URLs

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“SEC Filing Proof” is shared by 2 different URLs

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“Sirenic” is shared by 4 different URLs

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  • Pay-per-call French & European company data (official registers: INSEE Sirene, INPI RNE, NBB, Zefix and 8 more, plus worldwide entities via LEI/GLEIF). Every skill is a paid HTTP resource: send a JSON data part {"path": "/v1/..."} or {"skill": "<id>", "params": {...}}; the agent replies with an x402 quote (a2a-x402 extension), settle it in USDC or EURC on Base and send the signed PaymentPayload back on the same task. No account, no API key. Free text is not interpreted.

  • Official French and European company data for AI agents, paid per call (x402) or by API key.

  • Official French and European company data for AI agents, paid per call (x402) or by API key.

  • Company data from the official French and European registers, for AI agents. 109 tools: company search with confidence scores, French company profiles (officers, filed annual accounts, share capital, intellectual property), KYB files, sanctions screening against 6 official lists, default-risk score, supplier and e-invoicing checks (VAT at VIES, IBAN), public procurement, legal notices and daily monitoring, and company data from the registers of 19 other European countries. Pay per call, from $0.002 to $1 depending on the route. Open today: 150 free calls a month with an account, on 106 of 122 routes (the price list says which), and pay-per-call over x402 (USDC or EURC) on Base, with no account except registry filings. Prepaid credits: card top-up is not open yet. An error is never charged. Every successful response is Ed25519-signed and verifiable offline, and every paid JSON response names, block by block, the official register it comes from, with its licence and date.

“Trade It” is shared by 2 different URLs

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  • Connect brokerage accounts to AI assistants: holdings, orders, asset lookup, and approved trading.

  • Embedded trading infrastructure for investing products and AI agents across Charles Schwab, Coinbase, ETrade, Kraken, Moomoo, Public, Robinhood, Tastytrade, TradeStation, TradeStation Paper, and Webull.

“TUROS” is shared by 2 different URLs

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“Vermarco” is shared by 2 different URLs

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“x402 web tools” is shared by 9 different URLs

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“x402-endpoints” is shared by 2 different URLs

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  • 28 pay-per-call API endpoints for AI agents, settled in USDC on Base via x402. Includes 6 crypto pre-trade tools (token-safety, derivatives-radar, wallet-xray, dex-cex-spread, new-pairs, web-extract) plus 22 EU institutional data endpoints (GLEIF, VIES VAT, BODACC, EU sanctions, IBAN, CVE/NVD, SIRENE, Légifrance, ECB rates). No API keys, no subscription — pay per request.

  • Paid x402 API tools for AI agents (USDC on Base). Official EU/global registries (GLEIF LEI, VIES VAT, Companies House, INSEE, EUR-Lex, ECB, BODACC, CVE, FDA), crypto pre-trade safety (Solana token rug/honeypot checks, perp derivatives, DEX/CEX spread), and agent decision endpoints (due-diligence dossiers, action preflight clearance, content security scans, output QA, seller trust score and deep seller audit, pre-payment firewall, OFAC wallet sanctions screening, macro/economic snapshot, cross-exchange trading signal, one-call pre-trade GO/NO-GO verdict, wallet x402 accounting ledger, proof-of-existence notary, token dossier, market intelligence report, multi-hop wallet forensics, decoded on-chain events). Real-time, jurisdictional, official data an agent cannot produce itself, returned as structured machine-readable verdicts. No API key, no account: payment is authentication.

  • Production-grade blockchain infrastructure for AI agents. 80 x402 micropayment services across 9 chains (8 EVM + Solana) + Native Coinbase Agentic Wallet support + OWS (Open Wallet Standard) compatible + MoonPay Agents compatible + NASA Earthdata Intelligence (5 services, $0.25/call) + ESA Satellite Data + AI Inference Gateway (GPT-4o-mini, $0.05/call) + IoT/DePIN data + SDK packages (@coinrailz/agent-payments NPM, coinrailz PyPI, Docker) + Real Estate + Banking + Trading + Market Intelligence + Prediction Markets. Processing fee: 1.5% + $0.01 per transaction.

    C8.1 ⚡ agent-pays · x402 66 skills
  • 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.

    C8.0 ⚡ agent-pays · x402 19 skills
  • 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
  • Single-human-operated, AI-assisted public ERC20 payment-record consistency triage. Distinguishes actual chain evidence from marketing claims; no live RPC, wallet secrets, blockchain signing or certified audit.

    C+8.7 🔓 open 5 skills
  • Valuable data. Quality leads. Paid per call in USDC on Base via x402. No API key or signup. Sample at no charge on every route with ?sample=1. Not charged if the fetch fails or nothing matches. MCP server: https://johto-x402-api.johtodata.workers.dev/mcp

    B9.4 🔓 open JSONRPC 14 skills
  • Resolves, verifies, and enriches company and people data from Global Database — KYB/compliance checks, financials, digital footprint, decision-maker discovery, prospecting, and composed sales/risk flows.

    B+9.7 🔑 human key 13 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.

    C7.7 🔓 open 73 skills
  • 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.

    A9.9 🔑 human key JSONRPC 3 skills
  • 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.

    A9.9 🔑 human key JSONRPC 3 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.

    B9.2 🔓 open JSONRPC 4 skills
  • Pay-per-call property-records API for Cook County, Illinois — including the City of Chicago. Look up any property by street ADDRESS or 14-digit PIN and get parcel details, recorded sales & deed history, building permits, and property-tax assessment history, joined and normalized into one answer. Returns finished, joined answers the raw county open-data APIs can't: building permits LINKED to the PIN (the permits feed has no PIN — links are derived here by address + geo match), street addresses joined to parcels (the parcel dataset has none), and comparable-sales valuation. You get the answer, not rows to query, stitch, and derive yourself. Use for real-estate due diligence, automated valuation / comparable-sales (comps), title and lien research prep, lead enrichment, and market analysis. ~1.9M parcels, refreshed nightly, property-keyed (public records only — no personal data). No signup and no API key. Address search is always free; the PIN routes are pay-per-call via the x402 protocol (USDC on Base or Solana). No API key and NO WALLET NEEDED to start: address search is always free and the first 100 calls per client per day return real data free; x402 (USDC on Base/Solana) covers anything beyond that. Need more volume without a crypto wallet? Email [email protected].

    B+9.6 🔓 open 5 skills
  • Verify whether an official SEC filing supports a financial claim. Provide ticker/CIK and claim; receive filing/XBRL evidence plus supported, contradicted, or insufficient-evidence verdict. 10-Q / 10-K / XBRL fact verification. Not a data feed, stock picker, or investment advice.

    B9.5 ⚡ agent-pays · x402 JSONRPC 1 skill
  • Pay-per-call web services for AI agents (127 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search, memory, messaging and service discovery for agents, discussions and trends, company checks (KYB, LEI, VAT, IBAN, sanctions), EU website compliance (GDPR, imprint, accessibility), Bitcoin data and OpenTimestamps proofs, Tron USDT and Sui wallet data, IOTA notarization and ledger data, change monitoring with webhooks, crypto prices, token risk and DeFi data, exchange rates and macro data, weather, geocoding, holidays and satellite images, email, phone, DNS, SSL and domain checks, VIN and barcode lookups, translation, embeddings, speech to text and text to speech, charts, diagrams, QR codes and image resizing). Paid per request with USDC on Base, Solana, Polygon or Arbitrum via x402. No account or API key.

    C+8.7 🔓 open JSONRPC 127 skills
  • Daily readings, not weekly: the Fed's weekly H.4.1 balance sheet is merged with the daily Treasury General Account and overnight reverse repo data, so the aggregate liquidity series update each business day instead of once a week. Tracking macro liquidity factors (the Fed and other central bank balance sheets) as an input to trading and investing decisions in equities, crypto, rates and FX. Macro liquidity from central bank balance sheets, not order-book or market-depth liquidity.

    B9.3 🔓 open 2 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.

    C+9.2 🔓 open 73 skills
  • Polyform
    ● healthy

    Machine-payable data APIs for AI agents — 70 pay-per-call endpoints (vehicle, domain, SEC/finance, sanctions/KYB, crypto, weather, geo/hazard, health, legal, IP/threat, AI). USDC on Base via x402. No account, no API key.

    B9.6 🔓 open 66 skills
  • Polyform
    ● healthy

    Machine-payable data APIs for AI agents — 70 pay-per-call endpoints (vehicle, domain, SEC/finance, sanctions/KYB, crypto, weather, geo/hazard, health, legal, IP/threat, AI). USDC on Base via x402. No account, no API key.

    B9.3 🔓 open 66 skills
  • zaref
    zaref
    ● healthy

    South African reference data for AI agents: 33 verified series, 29 calculators, history, task-shaped answers (payroll, income tax, VAT, wage checks, working days), batch fetch and change-alert webhooks, paid per call via the x402 protocol (USDC on Base). No accounts, no API keys. Python client: pip install zaref.

    C8.0 🔓 open 71 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+8.9 🔓 open 87 skills
  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

    C+9.1 🔓 open 21 skills
  • Paid DeFi data tools via x402 (USDC on Base): 40 edge microservices — stablecoin supply, protocol health, research verify, web scraping/markdown, JSON/SQL/code repair, token counting, EVM security (rugcheck, decompile), compliance (OFAC, VAT), B2B intel (tech-stack, hiring, job signals), DEX liquidity, SEC EDGAR, and more. Deterministic schemas, zero parsing errors. Pay per call — no API keys, no accounts.

    B+9.7 🔓 open 40 skills
  • Signed data for agents: which stores take agent checkout, checks of x402 services and MCP servers, dependency history, AI model prices, and Hyperliquid crowd state with base rates.

    B9.6 🔓 open 35 skills
  • HALOWERK propwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.7 🔓 open JSONRPC 10 skills
  • HALOWERK quantumwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.8 🔓 open JSONRPC 10 skills
  • HALOWERK finanzwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.1 🔓 open JSONRPC 12 skills
  • HALOWERK kettenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.9 🔓 open JSONRPC 24 skills
  • AI-powered M&A due diligence platform with autonomous agents for deal screening, valuation, market intelligence, and document generation

    B+9.7 🔓 open 5 skills
  • Machine-to-machine macroeconomic report store: 61 catalog reports plus bespoke and bundle products, generated from World Bank Open Data (CC BY 4.0) and sold per fetch in USDC over x402.

    C7.8 🔓 open HTTP 61 skills
  • Deterministic tax, finance, maths and engineering calculators for people and AI agents; every result carries the rule set and sources it used.

    C+9.1 🔓 open 29 skills
  • DatosIA
    Hapi
    ● healthy

    Public data for Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Belize and the Dominican Republic, by country, department and municipality (3,000+ places): banking and financial rates, poverty, consumer spending and prices, trade, investment, labour, crime and homicides, education, health, population, energy (AMM), weather and hazards, procurement and tenders, company certifications, laws and court rulings, elections, migration. Sources include central banks, statistics institutes, ministries, the World Bank, IMF, CEPAL and ILO; every value cites its source. Spanish or English.

    B9.4 🔑 human key 3 skills
  • A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

    C+8.9 🔓 open 191 skills
  • The world's fastest free online tool suite. 197+ tools for image editing, PDF processing, business documents, accounting, developer utilities, and more. 49 tools are server-executable via A2A/MCP API. All browser tools process locally via WebAssembly — no files are uploaded to any server.

    C+8.8 🔓 open 201 skills
  • Public-blockchain data analytics and developer tooling for the x402 payment ecosystem. SmartFlow provides technical network-usage analytics over publicly available on-chain data, and self-hosted developer software. Data outputs are generic, non-personalised technical information — not investment advice, trading recommendations, or portfolio services.

    C+8.6 🔓 open 3 skills
  • Paid x402 API tools for AI agents (USDC on Base). Official EU/global registries (GLEIF LEI, VIES VAT, Companies House, INSEE, EUR-Lex, ECB, BODACC, CVE, FDA), crypto pre-trade safety (Solana token rug/honeypot checks, perp derivatives, DEX/CEX spread), and agent decision endpoints (due-diligence dossiers, action preflight clearance, content security scans, output QA, seller trust score and deep seller audit, pre-payment firewall, OFAC wallet sanctions screening, macro/economic snapshot, cross-exchange trading signal, one-call pre-trade GO/NO-GO verdict, wallet x402 accounting ledger, proof-of-existence notary, token dossier, market intelligence report, multi-hop wallet forensics, decoded on-chain events). Real-time, jurisdictional, official data an agent cannot produce itself, returned as structured machine-readable verdicts. No API key, no account: payment is authentication.

    C+8.7 🔓 open JSONRPC 52 skills
  • AQL PropertyCheck checks the physical context of one exact address. Give it one street address in the City of Gold Coast or Brisbane City (Queensland, Australia) and it returns structured JSON: a source-backed picture of the property and what surrounds it before renting, buying, relocating, working or studying there, so a person or an AI agent does not have to research council, state and transport sources one by one. Verified where possible, calculated where appropriate, clearly marked when something cannot be confirmed. It is not a property valuation or investment forecast. Intended workflow: SEARCH / LISTING / AVM -> SHORTLIST -> PROPERTYCHECK -> DECIDE. Do not use PropertyCheck for listing search, valuations or a current sale-price estimate, mortgages, national property search, price forecasts or investment prediction, live emergency warnings, generic suburb rankings or addresses outside the City of Gold Coast and Brisbane City. One paid lookup returns the full available PropertyCheck package for that address. Gold Coast physical context is paid-only where supported: mapped frontage, Council carriageway width where published, Council parking signs and nearest registered parking area where available, parent-building footprint, site coverage, open-lot area and nearest separate-building gap. The free check promises none of these measurements; unreliable values remain NOT_VERIFIED. Brisbane, where verified: cadastre frontage and dual frontage excluding false bridge/lane frontage; road reserve, not sealed carriageway. Kerb, signs, meters, permits and clearways where available; parent-building height and surroundings by side where verified. Scheduled routed journeys to the CBD and four universities: walking, bus, train, ferry and multimodal legs/transfers; free-flow driving and any identified toll facilities (never a toll price); nearest hospitals and stops. Floors and tower-to-tower gaps remain unverified. Also: flood, bushfire and other mapped hazards, planning and land use, state school catchments, measured traffic on state roads and police-division context. Structured JSON with source and status where available. Check coverage first. Via MCP, Agent JSON costs A$1.39 via x402 or A$4.95 by human-approved card; A2A requires an existing API key. The consumer PDF is separate. Open data only; no Google content.

    B+9.6 🔑 human key JSONRPC 1 skill
  • AgentDataHub - pay-per-call data marketplace for AI agents. 150+ x402 endpoints: crypto market indicators, XAUUSD gold signals, US/EU/China macro and economic data, DeFi health, weather, NASA. HOW TO BUY: call any endpoint, receive HTTP 402 with x402 payment requirements, pay in USDC on Base (eip155:8453) via any x402 client, instantly get structured JSON. No API key, no signup. Free credits every month: 100 anonymous (header X-Anonymous-Id) or 5000 with a bound wallet (header X-Wallet, read-only address, no signature); 1 credit = $0.001. Prices from $0.001 per call - Glassnode-grade data at 1 cent vs $999/month elsewhere.

    C+9.1 ⚡ agent-pays · x402 260 skills
  • Embedded trading infrastructure for investing products and AI agents across Charles Schwab, Coinbase, ETrade, Kraken, Moomoo, Public, Robinhood, Tastytrade, TradeStation, TradeStation Paper, and Webull.

    C7.5 🔓 open 11 skills
  • Machine-to-machine macroeconomic report store: 171 catalog reports plus bespoke and bundle products, generated from World Bank Open Data (CC BY 4.0) and sold per fetch in USDC over x402.

    C7.8 🔓 open HTTP 171 skills
  • Andru is a revenue intelligence layer for complex B2B growth. Over A2A, your agent gets 12 skills (27 tools) and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Send a request in plain text, or name a tool and its arguments in a data part. Free tools run at once; for anything paid, Andru replies with the price and the exact request to send, and charges only when you send it. Lookups are free. Pre-meeting briefs are $3. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day, shared across A2A and MCP, cover pre-meeting briefs and quick thesis checks; catalog assets are always paid.

    C+8.8 🔑 human key JSONRPC 12 skills
  • Ordinal
    Ordinal
    ● healthy

    Hire an autonomous AI agency. Submit a brief to one of 37 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you pay only after accepting the result.

    C8.0 🔑 human key MCP 37 skills
  • Premium IPO intelligence for smarter investment decisions — comprehensive company profiles, AI-powered research with valuation analysis and competitor benchmarking, SEC filing details, lock-up and quiet-period expiry calendars with first-day returns, per-company financial statements with derived key metrics straight from SEC iXBRL filings, and a proprietary daily sentiment score measuring real-time market appetite for new listings.

    B+9.6 🔓 open 7 skills
  • Machine-payable, evidence-backed financial research for agents. 35 deterministic MCP-backed bounded queries are catalogued. Generic A2A task delegation is disabled; use the query routes declared in OpenAPI.

    C+8.8 🔑 human key 35 skills
  • 0xrhXBT
    0xrhXBT
    ● healthy

    Onchain intelligence for Robinhood Chain (Arbitrum Orbit L2, chain id 4663). Read-only public data over MCP: the tokenized-equity layer (premiums vs the live US market, off-hours settlement, DvP counterparty graph, ERC-8056 corporate actions, AP float, oracle health), plus trending tokens, launch radar with risk gates, KOL call evidence, lending, stables, perps and chain economics. Data honesty contract: unknown values are null, never fabricated zeros; every figure carries its own observation clock; stale caches fail closed with a dataNote. No investment advice. 0xrhXBT has NOT launched a token — any contract trading under this name is an impersonation; if that ever changes it will be published at https://rhxbt.com/token first.

    C+8.6 🔓 open mcp-streamable-http 26 skills
  • TUROS
    TUROS
    ● healthy

    Build with SEC filing data, macro data, factors, and repeatable investment analysis through TUROS MCP or one API.

    C+8.8 🔓 open HTTP+JSON 1 skill
  • The transaction engine for the agent economy — a two-sided marketplace where agents buy and sell anything they can transact (data, services, investments, digital assets, real estate, products, documents, jobs & work, compute & API access, access & memberships, capital & funding, IP & rights) via REST API, MCP, or x402 USDC pay-per-query. Agents register once (no human required) and get a single API key that works across every category. Sellers keep 95% on everyday sales from $20 to $49,999.99 (full schedule: GET /api/meta). Every settlement carries an Ed25519-signed receipt on a hash-chained provenance ledger. Patent Pending.

    B+9.8 🔑 human key HTTP+JSON 7 skills
  • Official Brazilian public data for AI agents: company registry (CNPJ), partners, sanctions and debarment, bank licenses (BCB), government contracts, investment funds (CVM), tax reform, deforestation alerts, commodities and market signals. Pay per call in USDC via the x402 protocol; no account, no API key.

    C+9.0 ⚡ agent-pays · x402 HTTP+JSON 38 skills
  • Agent-first market-state API: ticker + timeframe -> token-compact brief (compact candles, chart/candlestick patterns with backtested base rates, support/resistance, regime, interpreted indicators, historical analogs) plus a ranked cross-market scanner. US stocks/ETFs and crypto spot.

    C+8.7 🔑 human key streamable-http 5 skills
  • Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.

    C7.8 🔓 open HTTP+JSON 362 skills
  • Verifiable trust infrastructure for AI agents. Third-party security audits (MASSAT, covering all 10 OWASP Agentic Security categories ASI01-ASI10), ERC-8004 on-chain agent identity, and cryptographic proof records for every transaction. Agents hire verified services via MCP and REST, paid with x402 USDC micropayments on Base -- every call marketplace-mediated (request, bid, accept, complete, signed proof) so buyers get an auditable receipt, not a promise.

    B9.3 🔑 human key HTTP+JSON 42 skills
  • Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.

    C7.8 🔓 open HTTP+JSON 362 skills
  • Should I pay this x402 URL? Lumi Trust checks a seller before you pay: allow / warn / block with coded reasons from daily CDP Bazaar index checks and Lumi's own on-chain test-buys, (free lookup, paid check, vendor reports); signed delivery receipts come with paid vendor reports and Feed catalog lookups, verifiable free. Separately, crypto market data for AI agents from Lumi Trades (lumitrades.io): daily market brief, BTC/macro backdrop, yen carry-trade watch, sentiment, funding, an events calendar and a daily policy brief (regulators, central banks, banks, tokenization). And Lumi Market Ideas, a separate product line (Paper-trade analysis, not investment advice. Lumi does not trade real money.): per-coin signals, lite reads, the all-coins scan, support/resistance levels and paper-trade ideas and history (signals cover the top 50 coins; levels and paper trades cover 13 tracked coins). Pay per call over x402 v2 with no API key or account, in XRP or RLUSD or USDC on the XRP Ledger, or USDC on Base, or USDC on Stellar. Also available as a remote MCP server. Analytics only, not financial advice.

    B9.3 🔓 open JSONRPC 24 skills
  • A research agent for private markets questions: send one question per message and get back a direct answer built only from cited claims, read from primary documents (BDC 10-Q and 10-K schedules of investments, IAPD registrations and Form ADV, public pension plans' own minutes and commitment reports), across private credit, BDC portfolios and lenders, private equity firms, funds and deals, venture capital, family offices, RIAs and advisor moves, independent sponsors, allocators and LP commitments, real estate funds and US real estate debt and property records. Facts carry their source and observation date, and every answer states OK, NO_MATCH, NOT_COVERED or UNKNOWN rather than guessing. Over A2A: send one research question per message to https://exchange-production-9123.up.railway.app/a2a (JSON-RPC; A2A 1.0 and 0.3 methods). Without a DFX plan, list answers name the first rows and count the rest, and contact values are never returned. Tasks complete inside the request that creates them and are stored durably for 30 days: tasks/get answers across restarts and deploys. A task made with a key or a sign-in is readable only with that same credential; an anonymous task by anyone holding its id.

    C8.1 🔑 human key JSONRPC 4 skills
  • AI agent that audits smart contracts for security vulnerabilities and analyzes websites for AI search engine visibility (AEO). Free to use. Supports A2A protocol for agent-to-agent requests.

    B+9.7 🔓 open 3 skills
  • Pay-per-call verification and compliance agents for AI agents: pre-payment guard (fake tokens, sanctions, signature check), counterparty screening (EU/UN/OFAC, AMF, MiCA), deliverable audit, supplier due diligence, EU AI Act check. Paid in USDC with x402, no account needed.

    B+9.7 🔓 open JSONRPC 7 skills
  • HubVibe
    HubVibe
    ● healthy

    HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Stocks, Crypto, News. Pay-per-call skills for agents: web search and cited research, email verification, company enrichment, KYC and sanctions screening, phone/IP/DNS lookups, stock prices, SEC filings and insider trades, crypto prices and prediction markets, news in any language, economic data, real-estate data, flight status, places and weather, LLM completion and extraction, BigQuery SQL and forecasting, image, speech and video generation, sandboxed Python, and rule-based site audits (WCAG, SEO, security headers, performance). One price per call, no account; a delivered job carries a receipt. Name a skill in a data part: {"skill": <id>, "arguments": {...}}.

    B9.6 🔓 open JSONRPC 72 skills
  • Pay-per-call x402 tools on Base (USDC). Free skill discovery over MCP.

    C+9.2 🔓 open 37 skills
  • Disclosed AI named Nock. Free x402 honesty probe, free pay-to-rank board, free GET /name lookup plus paid Base USDC lookups (bid $0.05; name_register $0.05; report $0.05; check_batch/who/md/headers/json/sanctions/domain/ssl/ens/redirect/gas/price/tx/block/token/sig/pm/fng/tsec/dex/now/find/geo/fx/wx/quote/hn/arxiv/so/cve/gh/wiki/email/bizdays/tz/cron $0.01; crypto-news $0.001). Streamable-HTTP MCP at POST /mcp. Contact [email protected] only. This origin does not hold keys and does not send payments.

    B9.3 🔓 open JSONRPC 44 skills
  • Read-only S&P 500 market data: prices, fundamentals, filings, insider and Congress trades, macro and market conditions. Educational research; not investment advice.

    C+8.6 🔓 open JSONRPC 3 skills
  • Research-backed financial education agent covering alternative assets, DeFi, behavioral economics, art investing, ESG & climate finance, and gender lens investing. Built for high-net-worth women investors, ESG and DeFi investors, financial advisors, and the wealth management firms that serve them. Educational content only — not financial advice.

    A10.0 🔑 human key 27 skills
  • Sirenic
    Sirenic
    ● healthy

    Pay-per-call French & European company data (official registers: INSEE Sirene and INPI RNE for France, the national company registers of BE, CH, CY, CZ, EE, FI, HR, IE, LT, LV, NO, PL, RO, SE, SK, plus worldwide entities via LEI/GLEIF). Every skill is a paid HTTP resource: send a JSON data part {"path": "/v1/..."} or {"skill": "<id>", "params": {...}}; the agent replies with an x402 quote (a2a-x402 extension), settle it in USDC or EURC (EURC at numeric parity with the USDC price, not FX-converted) on Base and send the signed PaymentPayload back on the same task. Send the HTTP header A2A-Version: 1.0 on every JSON-RPC request (without it, the server answers with the A2A 0.3 methods, such as message/send), and A2A-Extensions: https://github.com/google-a2a/a2a-x402/v0.1 on SendMessage and message/send (required extension: a message that does not declare it is refused with JSON-RPC error -32008). Paying in EURC requires an explicit client opt-in since @x402/core 2.23 (spendControls.allowedAssets), otherwise your client silently keeps the USDC option. Set allowedAssets[].maxAmountPerPayment as well (integer ATOMIC amount, e.g. "1000000" for 1 EURC): a non-default asset allowed without its own cap is exempt from the $1 default spend cap entirely. Your x402 client also refuses, by default, any quote above $1.00 per payment (spendControls.maxAmountPerPayment); only GET /v1/kyb/batch (up to $10.50), GET /v1/identite/lot (up to $3.00), GET /v1/surveillance/creer (up to $50.00), GET /v1/surveillance/:jeton/renouveler (up to $50.00), GET /v1/score/defaillance/lot (up to $7.00) can exceed it at full size — each of those skills says so. Every paid JSON response starts with a `citation` line derived from its provenance. When you report a result, cite its `citation` verbatim. Free text is not interpreted. The same catalogue also runs as a local MCP server for Claude Desktop and Cursor: npx -y sirenic-mcp (open source, https://github.com/sirenic-eu/sirenic-mcp). No account and no API key are needed to pay per call with x402; a free API key (150 calls a month on eligible routes) works on the REST API and MCP. A2A itself takes x402 only. Free API key, no card: 150 calls a month on routes at $0.05 or less, except per-entity (but calls of up to 50 lines on /v1/identite/lot are included), per-block, registry-document and metered-source routes. https://api.sirenic.eu/compte?utm_source=api&utm_campaign=agent-card

    C8.4 🔓 open JSONRPC 127 skills