{"topic":"blockchain","as_of":"2026-11-12 01:39 UTC","answer":"As of 2026-11-12 01:39 UTC, 197 reachable listings mention “blockchain” (#30 of 31 topics); 103 of them have readiness A or B. It is most common among A2A agents (0.8% of them).","rank":30,"reachable":197,"ready":103,"by_kind":[{"kind":"x402","label":"x402 APIs","pct":0.6,"reachable":57,"ready":29,"median_readiness":77.3,"median_latency_ms":385},{"kind":"mcp","label":"MCP servers","pct":0.2,"reachable":93,"ready":66,"median_readiness":83.3,"median_latency_ms":453},{"kind":"a2a","label":"A2A agents","pct":0.8,"reachable":47,"ready":8,"median_readiness":49.0,"median_latency_ms":336}],"top":[{"kind":"x402","slug":"sna4an-crypto-vercel-app-scan","name":"Sna4an x402 API","grade":"A","readiness":94.1,"latency_ms":161},{"kind":"x402","slug":"api-blockchain-com-scan","name":"Explorer Gateway API","grade":"A","readiness":94.1,"latency_ms":200},{"kind":"x402","slug":"chainray-online-scan","name":"ChainRay - On-chain intelligence for AI agents","grade":"A","readiness":94.1,"latency_ms":277},{"kind":"mcp","slug":"the-graph-gateway-pipeworx-io","name":"The Graph","grade":"A","readiness":90.0,"latency_ms":152},{"kind":"mcp","slug":"bitquery-gateway-pipeworx-io","name":"Bitquery","grade":"B","readiness":87.8,"latency_ms":71},{"kind":"mcp","slug":"sqd-portal-sqd-dev","name":"SQD","grade":"B","readiness":87.8,"latency_ms":201},{"kind":"a2a","slug":"frank-poncelet","name":"Frank Poncelet","grade":"B","readiness":89.0,"latency_ms":423},{"kind":"a2a","slug":"radix-wiki","name":"Radix Wiki","grade":"B","readiness":81.0,"latency_ms":624},{"kind":"a2a","slug":"duo-data-utilities","name":"Duo Data Utilities","grade":"B","readiness":80.0,"latency_ms":336}],"gaps":[],"searches":[],"full":false,"more_with_account":21,"sign_in":{"browser":"https://agent-tools.cloud/auth/github/login","agent":{"get_a_key":{"method":"POST","url":"https://agent-tools.cloud/api/v1/keys"},"send":"Authorization: Bearer <key>"}},"links":{"page":"https://agent-tools.cloud/stats/topics/blockchain","json":"https://agent-tools.cloud/stats/topics/blockchain.json","full_json":"https://agent-tools.cloud/stats/topics/blockchain.json?full=1"},"license":"CC BY 4.0"}