{"id":34596,"recorded_at":"2026-10-26T14:36:11.003672Z","observed_at":"2026-10-26T14:36:11.003611Z","subject_kind":"source_record","subject":"mcp_registry:io.github.cavan1977/freetoolhub","kind":"listing","method":"baseline/1","body":{"endpoints":[["mcp","https://freetoolhub.org/api/mcp"],["web","https://freetoolhub.org/mcp/"]],"name":"FreeToolHub","owner_address":null,"raw":{"_meta":{"io.modelcontextprotocol.registry/official":{"isLatest":true,"publishedAt":"2026-09-15T02:10:28.696548Z","status":"active","statusChangedAt":"2026-09-15T02:10:28.696548Z","updatedAt":"2026-09-15T02:10:28.696548Z"}},"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","_meta":{"io.modelcontextprotocol.registry/publisher-provided":{"categories":["finance","tax","business","developer-tools","productivity","ai"],"freeTier":"50 calls/day per IP","protocolVersion":"2024-11-05","tool":"manual","toolCount":44,"transportNote":"Stateless, POST-only JSON-RPC. Implements initialize / tools/list / tools/call. GET returns 405 (no server-initiated SSE stream) and no Mcp-Session-Id is issued — both explicitly permitted for stateless servers by the Streamable HTTP spec. Verified end-to-end with the official @modelcontextprotocol/sdk StreamableHTTPClientTransport."}},"description":"44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.","name":"io.github.cavan1977/freetoolhub","remotes":[{"headers":[{"description":"Optional. Free for 50 tool calls per IP per day without a key. Supply a key to lift the daily quota.","isSecret":true,"name":"X-API-Key"}],"type":"streamable-http","url":"https://freetoolhub.org/api/mcp"}],"repository":{"source":"github","url":"https://github.com/cavan1977/freetoolhub"},"title":"FreeToolHub","version":"2.0.0","websiteUrl":"https://freetoolhub.org/mcp/"}},"source":"mcp_registry","summary":"44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite."},"body_sha256":"5799dddc9de9d1f3e94568debf917db5d43067cbd596a69bc5a29fb59b99ded3","prev_id":null,"leaf":"0x90cb4f6bf9c561cf29733d1c365e6095e7fbdc9196b808a7a1c2f247e5798d9f","leaf_text":"{\"body\":\"5799dddc9de9d1f3e94568debf917db5d43067cbd596a69bc5a29fb59b99ded3\",\"id\":34596,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025371003611,\"prev\":null,\"subject\":\"mcp_registry:io.github.cavan1977/freetoolhub\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-10-26","leaves":296695,"root":"0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8","chained":"0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a","anchor_chain":"eip155:5042002","anchor_tx":"0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae","anchor_block":69251483},"proof":["0x90cb9e9f264e9ddffd465642aeb4c8cb310d8ba6f6ffd9603b37c1f28ef29132","0xd0231a31346b6828d9e2efec5eced383f72d702c89f4baa53ace3872655eecde","0xe7a0a34462fca1f3a861b5892449b0cce7cd511490097397a62b6f6bca7cfda4","0x0f0b83421f96631e6a1667e59c8382362f9a6da7e993a60d24e21aa2cc4c5a1f","0xb4630871306d542bb2940ee4db9eab09fe206f07636743585c3280248f976945","0xa9d6d2386cca6beaf055a86bf11b39eb72a494313ba239ffde35ffe02bdab7d5","0x5466672d9d077db6ce74af409e66f0092d42eea5cc8e1cd5c0c79828204ab7e7","0x15f48c3dcfc8fc95d0a12ca37e575b3ca8bd7ea44b76e41d4d337b866dd03fe2","0xd6cb299383c65630bd27f540514dc02fdf258e87279dfa074726ec00f5cb65df","0x5d6495469a224b0c8739fabdb7652717dcf778029d8f8eb34051fdf9d5ed5ee5","0x6c9f1a764b7efa4ca549bf1cbbf8b397ce3c92cc35a0932f2dbf0706ae892c07","0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88","0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c","0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5","0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246","0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f","0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9","0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}