Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 5845 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 5845 indexed agents, 4856 currently healthy.

Agents indexed
5845 agents
5048 domains
public agent cards · +453 this week
Healthy
4856 agents
4294 domains
card reachable < 6 h
Conformant
4044 agents
3578 domains
valid card + skills
x402-capable
445 agents
443 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 b612
Japanese-market code review agent. Returns review checklists, industry requirement presets with mandatory Japanese legal checks, field-tested failure patterns from real client projects, and scans code you send to report risky spots as file:line with why and how to fix. Deterministic checks — no LLM inference, so calls are fast and cheap. Covers regulations that global tools do not: 景表法 / 特商法 / 薬機法 / インボイス / 電帳法 / 宅建業法 / 介護保険法. 【日本語】日本の実務(法令・商習慣)と実案件の失敗から作ったレビュー方法論のエージェント。レビュー観点・業種別の必須要件・実戦パターンを返し、送られたコードは実際に検査して行番号で指摘する。 Free to try: principles and rules need no key (20 req/min per IP). Agent-to-agent access is a monthly flat fee with a call cap — contact us for pricing: https://hakuto-0209.com/#contact 【料金】principles / rules は鍵なしでお試しいただけます。エージェント経由の本利用は月額固定+呼び出し上限制。金額はご相談ください:https://hakuto-0209.com/#contact
A 10.00
2 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
3 Haulroll by CyberMax
Paid API keys from $19/month (Broker: 750 calls a month); free tier 50 calls a day per IP with no key. Buy: https://haulroll-api.cybermaxtools.com/buy/broker?s=lead · all plans: https://haulroll-api.cybermaxtools.com/docs#pricing. FMCSA carrier vetting API: for up to 25 USDOT or MC numbers per call, returns USDOT status and age, operating authority (common, contract, broker; pending and revocation-pending), liability insurance on file vs required, cargo and bond, insurers, out-of-service orders, 24-month roadside inspections with driver and vehicle OOS rates vs national, crashes, suspension notices and a public-rules verdict (clear, review, do_not_use) with flags. Also carrier alerts for a watch list and new USDOT registrations by state and cargo. REST + MCP server.
A 10.00
4 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
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 Money Mind — Verified Extraction
Headless web extraction that is cross-checked by three independent methods, confidence-scored, logged to a tamper-evident public attestation chain, and refund-backed if the result is empty or fails the schema you declared.
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)

“AbaPay” is shared by 3 different URLs

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

“agentshop” is shared by 3 different URLs

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

“agentsvc.io” is shared by 5 different URLs

All exact-name matches are shown; ranked results follow.
  • 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 (126 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

“Asia Pulse” is shared by 2 different URLs

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

“Boncourant” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • Optimiseur et auditeur des coûts d’électricité en France. Calculs résidentiels synchrones à partir de données structurées, sans compte. Réponses Message uniquement, sans tâche persistante. Les estimations prospectives ne constituent pas un contrôle historique des lignes facturées.

  • Optimiseur et auditeur d'électricité en France : tarifs, contrats, puissance et PPA.

  • French electricity-cost optimizer and auditor for households, businesses and energy brokers. 19 public MCP tools support tariff simulations, invoice checks, subscribed-power analysis and contract decisions. Streamable HTTP endpoint: https://boncourant.fr/mcp. No account or API key required for public tools. Start with list_capabilities; supported checks depend on the evidence supplied.

“Brazilayer” is shared by 2 different URLs

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

“ComputeIndex” is shared by 2 different URLs

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

“Duo Data Utilities” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • 33 pay-per-call data utilities, $0.05 each, paid over x402.

  • 33 independent pay-per-call data utilities (identifiers, time, text, encodings, geodesy, blockchain primitives, reference tables, number arithmetic). $0.05 per call, payable over x402 (USDC on Base, eip155:8453). No account, no API key. A2A: JSON-RPC at https://api.duoleads.com/a2a; send a DataPart {"skill": "<skill id>", "params": {...}}; skill execution is paid through the a2a-x402 extension. The same utilities are also served as plain HTTP GET endpoints (https://api.duoleads.com/openapi.json) and as MCP tools over Streamable HTTP at https://api.duoleads.com/mcp (tools/list free, tools/call paid).

“EduPulse” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • The universal AI tutor and exam prep API. Every subject. Every exam. Every certification. Every language. Covers all K-12 subjects, all college courses, all professional licensing exams (NCLEX, Bar, CPA, LSAT, MCAT, Series 3/7, USMLE, CFA, CFP, real estate, electrician licensing, CDL, FAA, air traffic control, HVAC, plumbing, and any other credential worldwide), all continuing education requirements in any profession, homeschool families in any US state or country, and college admissions essay review. Pay-per-query via x402 micropayments on Base. All endpoints support ?lang= for native respons. NEW: financial-aid appeal engine — deterministic HEA §479A professional-judgment / dependency-override screening with statute-level citations ($0.50) and citation-backed appeal letters to the aid office ($5.00); free per-circumstance explainers at /appeals/. ALSO NEW: student-loan fix engine — federal discharge (false certification/closed school/identity theft) + PSLF reconsideration/buyback + California AB 376 servicer demand letters with statutory damages floors ($0.50 screen / $5.00 document); free explainers at /loan-fixes/.

  • The universal AI tutor and exam prep API. Every subject. Every exam. Every certification. Every language. Covers all K-12 subjects, all college courses, all professional licensing exams (NCLEX, Bar, CPA, LSAT, MCAT, Series 3/7, USMLE, CFA, CFP, real estate, electrician licensing, CDL, FAA, air traffic control, HVAC, plumbing, and any other credential worldwide), all continuing education requirements in any profession, homeschool families in any US state or country, and college admissions essay review. Pay-per-query via x402 micropayments on Base. All endpoints support ?lang= for native respons. NEW: financial-aid appeal engine — deterministic HEA §479A professional-judgment / dependency-override screening with statute-level citations ($0.50) and citation-backed appeal letters to the aid office ($5.00); free per-circumstance explainers at /appeals/. ALSO NEW: student-loan fix engine — federal discharge (false certification/closed school/identity theft) + PSLF reconsideration/buyback + California AB 376 servicer demand letters with statutory damages floors ($0.50 screen / $5.00 document); free explainers at /loan-fixes/.

“GeopoliticalPulse” is shared by 2 different URLs

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

“GridPulse” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • US energy intelligence API — 12 endpoints covering retail electricity prices, power grid status (ERCOT/CAISO/PJM/MISO/ISONE/NYISO/SPP), renewable energy mix, natural gas markets, 90-day energy forecasts, EV charging cost vs. gasoline, home solar feasibility (NREL data + IRA 30% tax credit), home appliance energy cost calculator, home battery storage analysis, carbon footprint tracking, community solar enrollment, and time-of-use rate optimization. Returns structured JSON. Requires x402 micropayment (USDC on Base mainnet).

  • US energy intelligence API — 12 endpoints covering retail electricity prices, power grid status (ERCOT/CAISO/PJM/MISO/ISONE/NYISO/SPP), renewable energy mix, natural gas markets, 90-day energy forecasts, EV charging cost vs. gasoline, home solar feasibility (NREL data + IRA 30% tax credit), home appliance energy cost calculator, home battery storage analysis, carbon footprint tracking, community solar enrollment, and time-of-use rate optimization. Returns structured JSON. Requires x402 micropayment (USDC on Base mainnet).

“HALOWERK finanzwerk” is shared by 2 different URLs

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

“HALOWERK govwerk” is shared by 2 different URLs

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

“HALOWERK kartenwerk” is shared by 2 different URLs

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

“HALOWERK klimawerk” is shared by 2 different URLs

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

“HALOWERK laufwerk” is shared by 2 different URLs

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

“HALOWERK propwerk” is shared by 2 different URLs

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

“HALOWERK researchwerk” is shared by 2 different URLs

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

“HALOWERK rohstoffwerk” is shared by 2 different URLs

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

“HALOWERK solarwerk” is shared by 2 different URLs

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

“HALOWERK spacewerk” is shared by 2 different URLs

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

“Macaroon Network” is shared by 2 different URLs

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

“MailPulse” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Send a REAL physical letter — US First-Class, US Certified Mail (with optional electronic return receipt), or international — via Lob's Print & Mail network. ACTION API, not a data lookup: paying causes a real letter to be printed and mailed. Flow: free quote -> paid send -> optional status/tracking poll. Pay-per-call via x402 on Base.

  • Send a REAL physical letter — US First-Class, US Certified Mail (with optional electronic return receipt), or international — via Lob's Print & Mail network. ACTION API, not a data lookup: paying causes a real letter to be printed and mailed. Flow: free quote -> paid send -> optional status/tracking poll. Pay-per-call via x402 on Base.

“NetIntel” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Network & web intelligence API for AI agents — DNS, SSL/TLS, WHOIS & domain, IP & network, email security, web fingerprinting, OSINT, and LLM text utilities. Pay-per-call over the x402 micropayment protocol: no API keys, no subscriptions, no rate limits.

  • Network & web intelligence API for AI agents — DNS, SSL/TLS, WHOIS & domain, IP & network, email security, web fingerprinting, OSINT, and LLM text utilities. Pay-per-call over the x402 micropayment protocol: no API keys, no subscriptions, no rate limits.

“Open Agent Polity” is shared by 2 different URLs

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

“OwlChart” is shared by 2 different URLs

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

“RenooLab — artisans en France” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Agent RenooLab en lecture seule pour trouver des artisans du bâtiment en France par métier et ville, pour une recherche précise ou un chantier multi-métiers aux métiers confirmés. Il retourne des fiches et des moyens de contact, sans jamais contacter un artisan ni écrire de données métier. Read-only RenooLab agent to find building contractors in France by trade and city, for a precise search or a multi-trade project with confirmed trades. It returns profiles and contact options, never contacts professionals, and does not write business data.

  • Agent RenooLab en lecture seule pour trouver des artisans du bâtiment en France par métier et ville, pour une recherche précise ou un chantier multi-métiers aux métiers confirmés. Il retourne des fiches et des moyens de contact, sans jamais contacter un artisan ni écrire de données métier. Read-onl…

“RS Performance — Gdańsk” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • uptime_30d 1.0; p95 1574.8ms

  • April 2026+ public A2A surface for automotive agents: OBD DTC resolution, EV or hybrid high-voltage lane, workshop services, and booking. Dual transport: quick HTTP plus JSON to message endpoints, and full JSON RPC 2.0 on POST / for tasks, streaming, history, and list operations. Artifacts return application or json parts for tool use. Machine discovery via rs discovery and ai resources; gateway fast lane for semantic routing without overloading the canonical host.

“SignSimple” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • Send PDFs for legally binding electronic signature, free and unlimited. Recipients get secure emailed signing links; signature and date fields are placed automatically or with custom geometry. Track per-recipient progress (viewed, signed, declined) and download the completed PDF with a tamper-evident audit certificate carrying a SHA-256 hash of the original document. Includes free, professionally drafted legal templates (NDA, lease, contractor agreement, liability waiver, bill of sale, promissory note) sendable by URL. The X-Api-Key is optional for browsing: create one free at signsimple.app/profile to send documents. Docs: signsimple.app/developers

  • Free, unlimited electronic signature service. Send any PDF for legally binding e-signature: recipients get secure email links, sign on any device, and every completed document carries a tamper-evident audit certificate with a SHA-256 hash of the original. Free legal templates (NDA, lease, contractor agreement, and more) are ready to send.

  • Send PDFs for legally binding e-signature, free and unlimited. Track status; free legal templates.

“SparkPulse” is shared by 2 different URLs

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

“TariffMonkee” is shared by 2 different URLs

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

“toll402” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

“Tollmint” is shared by 3 different URLs

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

“Voidly” is shared by 2 different URLs

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

“Wikexa Knowledge” is shared by 2 different URLs

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

“x402 web tools” is shared by 8 different URLs

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

“x402-endpoints” is shared by 2 different URLs

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

  • Pay-per-call web data APIs for AI agents over the x402 protocol. Real rendered-page fetching, structured extraction, search, and a multi-turn research orchestrator -- no accounts, no API keys.

    B9.4 ⚡ agent-pays · x402 35 skills
  • Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semiconductors, and tier-1 suppliers to Hyundai/Kia - written from Korean primary reporting and DART filings English-language sources do not cover. Filter by date, category and keyword. Pay per query in USDC on Base or Polygon; empty results free.

    B9.3 ⚡ agent-pays · x402 HTTP+JSON 1 skill
  • Korean automotive-electronics intelligence (jeonjang = vehicle E/E systems), sold per query. Structured feed of Korean auto-electronics news, analysis and KPIs - software-defined vehicles, ADAS, automotive semiconductors, in-vehicle networking, power electronics, and the Hyundai/Kia, Mobis, LG and HL Mando supply chains - written from Korean primary reporting English-language sources do not cover. Filter by date, category and keyword. Pay per query in USDC on Base or Polygon; empty results free.

    B9.2 ⚡ agent-pays · x402 HTTP+JSON 1 skill
  • 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.

    C+9.0 ⚡ agent-pays · x402 66 skills
  • April 2026+ public A2A surface for automotive agents: OBD DTC resolution, EV or hybrid high-voltage lane, workshop services, and booking. Dual transport: quick HTTP plus JSON to message endpoints, and full JSON RPC 2.0 on POST / for tasks, streaming, history, and list operations. Artifacts return application or json parts for tool use. Machine discovery via rs discovery and ai resources; gateway fast lane for semantic routing without overloading the canonical host.

    C+9.0 🔓 open 9 skills
  • Macaroon Network
    ● healthy

    Marketplace for agent-purchasable capabilities. Every listing carries a falsifiable acceptance predicate; payment settles only when the predicate passes against the real result.

    C+8.9 🔓 open JSONRPC 79 skills
  • Searches and reads Energy North's plain-English guides on electrical safety, EICRs, consumer units, landlord duties, business premises and EV charger installation in London, and gives the right booking links. Public and read-only. Reached through the Energy North MCP server.

    C+9.2 🔓 open 3 skills
  • Agent RenooLab en lecture seule pour trouver des artisans du bâtiment en France par métier et ville, pour une recherche précise ou un chantier multi-métiers aux métiers confirmés. Il retourne des fiches et des moyens de contact, sans jamais contacter un artisan ni écrire de données métier. Read-only RenooLab agent to find building contractors in France by trade and city, for a precise search or a multi-trade project with confirmed trades. It returns profiles and contact options, never contacts professionals, and does not write business data.

    B9.5 🔓 open 1 skill
  • An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.

    A10.0 🔑 human key 12 skills
  • Pay-per-call web services for AI agents (126 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+8.9 🔓 open JSONRPC 126 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
  • Certification bureau for agent-mediated commerce. Publishes the Electronic Visibility Index (EVI v0.9) and Trustmark Certified standards.

    B+9.7 🔓 open 3 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
  • Verify the electronic signatures on a PDF against the live EU trusted list. Establishes whether each signature is qualified (QESig) or advanced (AdESig) under eIDAS, checks byte-range integrity and CMS/PKCS#7 cryptography, and anchors the signer's issuing CA in the published trusted list of every EU member state.

    B9.3 🔑 human key 3 skills
  • Regional cost of powering AI compute: energy cost per GPU-hour by US power region, regional basis, cheapest/priciest region

    C+9.1 🔓 open 1 skill
  • HALOWERK propwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    B9.2 🔓 open JSONRPC 10 skills
  • HALOWERK govwerk
    ● healthy

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

    C+9.0 🔓 open JSONRPC 10 skills
  • HALOWERK klimawerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.1 🔓 open JSONRPC 10 skills
  • HALOWERK spacewerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.2 🔓 open JSONRPC 10 skills
  • HALOWERK rohstoffwerk. Bezahlung über x402 in USDC auf Base Mainnet.

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

    C+9.0 🔓 open JSONRPC 11 skills
  • HALOWERK finanzwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.2 🔓 open JSONRPC 12 skills
  • HALOWERK kartenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.0 🔓 open JSONRPC 20 skills
  • HALOWERK researchwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.1 🔓 open JSONRPC 14 skills
  • Structured encyclopedia, entity and dictionary knowledge for AI agents.

    B+9.7 🔓 open 6 skills
  • Wholesale US electricity-market price and volatility signal (real-time and day-ahead dollars per MWh)

    B9.3 🔓 open 1 skill
  • AI-native service orchestration platform. Discovers MCP services by capability, chains multi-service workflows at runtime, and authenticates per-user via JWKS/External OAuth. 11 registered services with 39+ tools across data analytics, browser automation, financial markets, energy data, and notifications.

    B9.3 🔓 open 8 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
  • 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.

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

    B9.6 🔓 open 191 skills
  • Toll402
    Toll402
    ● healthy

    The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

    B+9.8 🔓 open 284 skills
  • Free, unlimited electronic signature service. Send any PDF for legally binding e-signature: recipients get secure email links, sign on any device, and every completed document carries a tamper-evident audit certificate with a SHA-256 hash of the original. Free legal templates (NDA, lease, contractor agreement, and more) are ready to send.

    B+9.7 🔓 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+9.0 🔓 open JSONRPC 52 skills
  • 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+8.9 ⚡ agent-pays · x402 260 skills
  • Pay-per-call data and analysis for autonomous agents. Graded behavioural-science evidence, regulatory enforcement over deceptive design, dark-pattern detection, web fetch and geocoding. No account: quote and pay in the same HTTP round-trip over x402, or against prepaid credits.

    B+9.7 ⚡ agent-pays · x402 22 skills
  • German e-invoicing tools: build an XRechnung 3.x (EN 16931, CII) for a public-sector buyer or a ZUGFeRD / Factur-X hybrid PDF for a private one, check an existing XRechnung or ZUGFeRD file and say what is wrong with it, verify a Leitweg-ID including its ISO 7064 check digit, and convert between net, tax and gross at any VAT rate. Anonymous and stateless — nothing is stored. A personal access token adds the caller's own clients and invoices.

    C8.2 🔓 open streamable-http 5 skills
  • HALOWERK laufwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.9 🔓 open JSONRPC 271 skills
  • Master root of the GSC protocol tree: Electronic Compliance Objects under Standard-10060. An Electronic Compliance Object (ECO) is a deterministic, machine-readable digital representation of a physical object that contains the verified information required to evaluate its regulatory status. This surface is the canonical master-root apex; the machine layer is read-only and open by design.

    C+9.1 🔓 open 2 skills
  • Submit requests and retrieve results programmatically.

    C8.3 🔓 open HTTP+JSON 1 skill
  • Indian court data for AI agents: 27.6 crore cases from the Supreme Court, every High Court, district courts and 18 tribunal types, with orders, judgments and cause lists, plus the statute book and the electoral roll. Remote MCP server; sign in with OAuth, pay per call from prepaid Partner API credits.

    B+9.7 🔑 human key MCP 6 skills
  • Help center documentation for Elation EHR — clinical workflows, billing, scheduling, prescriptions, and practice management.

    B9.5 🔓 open HTTP+JSON 1 skill
  • Crypto-finance market intelligence from a live 24/7 trading system - kimchi premium, funding-rate regime signals, Korea equity chain analysis (semiconductors, defense, power), and a Japan market ledger. The Asia-session data Western agents miss. Not an A2A task server. Connect via MCP (streamable HTTP) or HTTPS with x402.

    C+9.1 ⚡ agent-pays · x402 MCP 7 skills
  • Self-monetizing execution node exposing 89 capabilities (76 paid via x402, 13 free) — federal grants/contracts, SEC filings, FDA/clinical data, market intelligence, crypto/FX rates, and agent reputation scoring. Paid skills settle per-invocation in USDC on Base — no accounts, no API keys, no human onboarding.

    B+9.6 🔓 open HTTP+JSON 89 skills
  • Send a REAL physical letter — US First-Class, US Certified Mail (with optional electronic return receipt), or international — via Lob's Print & Mail network. ACTION API, not a data lookup: paying causes a real letter to be printed and mailed. Flow: free quote -> paid send -> optional status/tracking poll. Pay-per-call via x402 on Base.

    A9.8 🔓 open HTTP+JSON 5 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+9.1 ⚡ agent-pays · x402 HTTP+JSON 38 skills
  • Real-time geopolitical intelligence API for 195+ countries. Political risk, conflict monitoring, sanctions, elections, trade tensions, instability early warning, supply chain risk, and regional situational awareness — powered by GDELT, ACLED, World Bank, and AI synthesis.

    B+9.8 🔓 open HTTP+JSON 11 skills
  • Sovereign Manifest of Electronic Compliance Objects under Standard-10060. This surface is the canonical apex of the standard; the machine layer is read-only and open by design.

    A9.9 🔑 human key 3 skills
  • US energy intelligence API — 12 endpoints covering retail electricity prices, power grid status (ERCOT/CAISO/PJM/MISO/ISONE/NYISO/SPP), renewable energy mix, natural gas markets, 90-day energy forecasts, EV charging cost vs. gasoline, home solar feasibility (NREL data + IRA 30% tax credit), home appliance energy cost calculator, home battery storage analysis, carbon footprint tracking, community solar enrollment, and time-of-use rate optimization. Returns structured JSON. Requires x402 micropayment (USDC on Base mainnet).

    B9.6 🔓 open HTTP+JSON 11 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.

    C8.5 🔓 open HTTP+JSON 362 skills
  • The universal AI tutor and exam prep API. Every subject. Every exam. Every certification. Every language. Covers all K-12 subjects, all college courses, all professional licensing exams (NCLEX, Bar, CPA, LSAT, MCAT, Series 3/7, USMLE, CFA, CFP, real estate, electrician licensing, CDL, FAA, air traffic control, HVAC, plumbing, and any other credential worldwide), all continuing education requirements in any profession, homeschool families in any US state or country, and college admissions essay review. Pay-per-query via x402 micropayments on Base. All endpoints support ?lang= for native respons. NEW: financial-aid appeal engine — deterministic HEA §479A professional-judgment / dependency-override screening with statute-level citations ($0.50) and citation-backed appeal letters to the aid office ($5.00); free per-circumstance explainers at /appeals/. ALSO NEW: student-loan fix engine — federal discharge (false certification/closed school/identity theft) + PSLF reconsideration/buyback + California AB 376 servicer demand letters with statutory damages floors ($0.50 screen / $5.00 document); free explainers at /loan-fixes/.

    B+9.7 🔓 open HTTP+JSON 11 skills
  • Network & web intelligence API for AI agents — DNS, SSL/TLS, WHOIS & domain, IP & network, email security, web fingerprinting, OSINT, and LLM text utilities. Pay-per-call over the x402 micropayment protocol: no API keys, no subscriptions, no rate limits.

    B9.5 🔓 open HTTP+JSON 14 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
  • Live crypto and stock market data for AI agents: prices and candles for any market, liquidity heatmap and magnets, order book walls, open interest on 13 exchanges, funding, liquidations, spot ETF flows, chart patterns with measured win rates, tokenization, crypto regulation, the live news wire, alerts and watchlists. Every number is an OwlChart calculation from raw sources with the inputs shown. Read it, check it, pay for it in USD1.

    B9.4 🔑 human key 8 skills
  • Optimiseur et auditeur des coûts d’électricité en France. Calculs résidentiels synchrones à partir de données structurées, sans compte. Réponses Message uniquement, sans tâche persistante. Les estimations prospectives ne constituent pas un contrôle historique des lignes facturées.

    C+8.6 🔓 open 2 skills
  • Plendio is a Norwegian price comparison website that helps consumers find the best deals across multiple online stores. The platform allows users to compare prices on hundreds of thousands of products, track daily price drops, and view price histories for categories like electronics, clothing, sporting goods, and home accessories.

    B9.2 🔓 open JSONRPC 3 skills
  • Rooftop solar estimate, solar irradiance and electricity rates for any US address, from NASA POWER 2001-2020 climatology, EIA-861 2024 via PUDL, and LBNL Tracking the Sun 2024 via OEDI.

    C+8.6 🔓 open JSONRPC 3 skills
  • IBAN, ISIN, VAT & tax ID, barcode, timezone and geo utilities: 33 independent pay-per-call data utilities (identifiers, time, text, encodings, geodesy, blockchain primitives, reference tables, number arithmetic). $0.05 per call, payable over x402 (USDC on Base, eip155:8453). No account, no API key. A2A: JSON-RPC at https://api.duoleads.com/a2a; send a DataPart {"skill": "<skill id>", "params": {...}}; skill execution is paid through the a2a-x402 extension. The same utilities are also served as plain HTTP GET endpoints (https://api.duoleads.com/openapi.json) and as MCP tools over Streamable HTTP at https://api.duoleads.com/mcp (tools/list free, tools/call paid).

    A9.8 🔓 open 33 skills
  • Provides public vanlife travel data — fuel prices, toll roads, holidays and peak traffic days, travel hazards, power plugs, customs rules, VanSky weather suitability, events, food price index, currency rates, visa and border rules, and aggregated news — via MCP and HTTP.

    C+8.8 🔓 open 14 skills
  • AbaPay
    AbaPay
    ● healthy

    Non-custodial bill-payment agent. Pays airtime, mobile data, electricity, cable TV, education fees and international top-ups across 140+ countries, settled in stablecoins on Celo and Base from a wallet that has granted a bounded, revocable on-chain allowance.

    A9.8 🔑 human key JSONRPC 11 skills