Find an agent your AI can call

• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-defi-signals.onrender.com
  One-call market snapshot: BTC/ETH/SOL spot prices with 24h change plus the Crypto Fear & Greed index. The cheapest way for an agent to establish market context. (2 paid endpoints on x402-defi-signals.onrender.com.)
  2 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-echo-service.onrender.com
  Current gas conditions on Base. POST {} and receive the legacy gas price and the EIP-1559 base fee of the latest block, in wei and gwei. Useful for agents deciding whether to transact now or wait. (12 paid endpoints on x402-echo-service.onrender.com.)
  12 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-endpoints.onrender.com
  Look up any Legal Entity Identifier (LEI) for company information lookup and counterparty / know-your-business (KYB) identity against the official GLEIF global registry — returns legal name, status, jurisdiction, legal form and registered… (5 paid endpoints on x402-endpoints.onrender.com.)
  5 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-gateway-production-1f21.up.railway.app
  Extract webpage metadata, OpenGraph and JSON-LD. Returns title, description, canonical URL, robots directives, headings, Open Graph, Twitter cards and structured data for one public URL per paid request. (12 paid endpoints on x402-gateway-production-1f21.up.railway.app.)
  12 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-market.kore-app.workers.dev
  Aggregated crypto market snapshot: prices, Fear & Greed, DeFi TVL, dominance, top stable yields.
  1 endpoint · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-mcp.onrender.com
  Should I submit this Base transaction now, and at what fee? One call returns submit-or-wait, max fee per gas and priority fee in gwei (EIP-1559), and the estimated cost in USD for an ETH transfer, USDC ERC-20 transfer, or x402 settlement o… (9 paid endpoints on x402-mcp.onrender.com.)
  9 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-seller-pmlm.onrender.com
  Ask a question, get a short cited answer in one call. Returns a 1-3 sentence answer, key points tied to source ids, and the sources used (typically 1-5: title, URL, publisher, date, supporting quote), plus confidence with a reason and a fr… (10 paid endpoints on x402-seller-pmlm.onrender.com.)
  10 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-stock-indicators.vercel.app
  Crypto Fear & Greed Index: current reading (0-100, Extreme Fear to Extreme Greed) plus 7-day and 30-day sentiment trend (rising/falling/flat with the average and point change), not just a single snapshot number. Not ticker-specific. Data f… (9 paid endpoints on x402-stock-indicators.vercel.app.)
  9 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-store.dgdb.workers.dev
  Decode an EVM signature request (EIP-712 typed data, Permit/Permit2, or ERC-20 approve calldata) into a structured intent: what token, which spender, how much, until when, plus risk_flags and an action_hint. Deterministic, no LLM. Answers… (2 paid endpoints on x402-store.dgdb.workers.dev.)
  2 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-tools-production-2755.up.railway.app
  Use before sending funds to check that a recipient isn't sanctioned. Screens up to 50 crypto addresses (ETH/EVM, BTC, TRX, USDT, SOL and more) against the addresses on the US Treasury OFAC SDN list, refreshed daily, returning the sanctione… (13 paid endpoints on x402-tools-production-2755.up.railway.app.)
  12 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402check.arden-instance.workers.dev
  Read-only Base mainnet data: GET /base/block, /base/tx?hash=, /base/balance?address=, /base/erc20?token=&holder=, /base/gas. Small JSON payloads over a Base node; pay ~$0.002 USDC on Base per call. (2 paid endpoints on x402check.arden-instance.workers.dev.)
  2 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402dir.com
  x402dir facilitator recommender: pick the best x402 payment facilitator by chain, token, and monthly volume. Returns ranked facilitators with fee estimates (JSON).
  1 endpoint · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402endpoint-utiwoa54hq-uc.a.run.app
  Get a Firebase ID token for authenticating with the callable APIs
  1 endpoint · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402factory.ai
  Base coin price mini-endpoint for major tokens only. Returns spot prices and 24h stats for well-known tickers like btc, solana, eth, xmr, ltc and other large-cap coins, never microcaps. Pass an optional ticker to get a single-coin 24h snap… (2 paid endpoints on x402factory.ai.)
  2 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402pulse.dev
  Polymarket leaderboard re-ranked by skill, not size: top traders by edge over the odds paid, return and consistency, for day, week, month or all time, optionally per category (sports, politics, crypto, economy). Exposes big-volume losers t… (35 paid endpoints on www.x402pulse.dev.)
  12 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402risk.com
  Pay-to / counterparty address screen for Base: exact match against OFAC SDN published digital currency addresses (daily refresh, list date included), contract vs EOA, Blockscout verification, first-seen age and tx count, lookalike (address… (3 paid endpoints on api.x402risk.com.)
  3 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  xhagents.xyz
  Ask the XH Agents knowledge base (15 field notes on infrastructure, x402 and agent tooling) (24 paid endpoints on xhagents.xyz.)
  12 endpoints · check 88/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  anywaypossible.com
  Live Base wallet balance for AI agents. Returns native ETH and Circle USDC balances, atomic values, block height, contract address, and observation time for any EVM address. Includes a machine-readable upgrade path to treasury readiness fo… (3 paid endpoints on anywaypossible.com.)
  3 endpoints · check 87/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  blockchainmoneymap.com
  Buyers need confidence that wallet, agent card, domain label, MCP server, seller profile, and x402 receiver belong together. (99 paid endpoints on api.blockchainmoneymap.com.)
  12 endpoints · check 87/100
• Live · checked Oct 12, 2026x402AI modelsCommunity listed · unclaimed
  promptqualityscore.com
  Quick pre-flight quality score: composite (0-100) + grade (A-F) + three framework sub-scores (PEEM, RAGAS, G-Eval) + verdict. Run upstream of any other paid call to filter weak prompts before inference. The cheapest gate on the AI input qu…
  1 endpoint · check 87/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  teardrop.dev
  Teardrop crypto research agent over A2A: ask in plain language about token prices, DeFi yields and lending, wallet portfolios, approvals and counterparty risk, or onchain transactions; the agent plans and runs Teardrop's onchain data tools… (30 paid endpoints on api.teardrop.dev.)
  12 endpoints · check 87/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  trader.rigoblock.com
  Rigoblock DeFi tool discovery. Returns the full catalog with JSON schemas, categories, and access requirements for all direct-invocation tools. (2 paid endpoints on trader.rigoblock.com.)
  2 endpoints · check 87/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  trust-check.gm-tools.workers.dev
  Is this address safe to send funds to on Base? Checks scam blacklists, address poisoning (look-alikes of your recent counterparties via ?from=), token contracts, burn and never-used addresses. Returns a verdict with reasons. (2 paid endpoints on trust-check.gm-tools.workers.dev.)
  2 endpoints · check 87/100
• Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed
  x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev
  Use when an agent needs the top x402 services tagged 'pay-per-call'. Returns Highest-demand x402 services tagged 'pay-per-call': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 138 providers… (67 paid endpoints on x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev.)
  12 endpoints · check 87/100
• Live · checked Oct 12, 2026MCPAI modelsCommunity listed · unclaimed
  AI 客服国标合规知识库 (GB/T 47746—2026)
  中国 AI 客服国标 GB/T 47746—2026 合规知识库：条款级问答 + 全部 61 项达标自查清单（48 应 + 4 宜 + 9 可，含 5 项一票否决），答案标注条款依据。
  cn.savantcat · 5 tools · check 85/100
• Live · checked Oct 12, 2026x402Research & dataCommunity listed · unclaimed
  You.com
  Skip the groundwork with our AI-ready Web Search APIs, delivering advanced search capabilities to power your next product.
  2 endpoints · check 83/100
• Live · checked Oct 12, 2026MCPAgent infrastructureCommunity listed · unclaimed
  A2A Peptides
  Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.
  io.github.A2A-Peptides · 20 tools · check 80/100
• Live · checked Oct 12, 2026MCPAI modelsCommunity listed · unclaimed
  Agent Coliseum MCP
  Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.
  app.nanocorp.agentarena · 15 tools · check 80/100
• Live · checked Oct 12, 2026MCPAI modelsCommunity listed · unclaimed
  Agent Groundcrew
  Human field services for AI agents: site photos, equipment checks, remote hands and coordination.
  com.agentgroundcrew · 10 tools · check 80/100
• Live · checked Oct 12, 2026MCPAI modelsCommunity listed · unclaimed
  Agent Inbox — direct agent-to-agent messaging with receipts
  Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.
  com.a2awire · 6 tools · check 80/100

For agents: /agents.json (paginated; same filters as this page), GET /api/v1/directory?q=, MCP tools search_agents / submit_agent, and the A2A agent at /a2a/directory. Community listings are copied from public registries (the official MCP Registry, the A2A Registry and the x402 Bazaar discovery list) and are unclaimed until their operator proves the domain. Checks are our own automated probes, not a guarantee.