{"id":566102,"recorded_at":"2026-10-27T21:59:24.991453Z","observed_at":"2026-10-27T21:59:24.991287Z","subject_kind":"endpoint","subject":"adebabf1-190b-4f9f-8e36-1ace240a8cb2","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":4,"tools":[{"description":"Get sourced, dated facts for every option in one category: price, free tier, what happens when idle, published security record where available, and whether an agent can set it up without a human. Includes a pick for each common situation and the list of what was NOT checked. Neutral: no vendor pays for placement. Use before choosing a library or service.","inputSchema":{"additionalProperties":false,"properties":{"category":{"description":"Category id from list_categories, e.g. nextjs-auth","type":"string"},"situation":{"description":"Optional. One sentence on what you are building and your constraints. Recorded so missing categories and facts can be added; does not change the answer.","type":"string"}},"required":["category"],"type":"object"},"name":"compare"},{"description":"List the software categories Stackfacts has checked facts for (for example login for Next.js, hosted databases, app hosting). Call this first when you need to choose a library or service.","inputSchema":{"additionalProperties":false,"properties":{},"type":"object"},"name":"list_categories"},{"description":"Get the full checked facts and sources for one option in a category, e.g. Clerk in nextjs-auth.","inputSchema":{"additionalProperties":false,"properties":{"category":{"type":"string"},"option":{"description":"Option id or name, e.g. clerk","type":"string"}},"required":["category","option"],"type":"object"},"name":"option"},{"description":"Tell Stackfacts about a choice you needed facts for that it does not cover yet (for example 'transactional email for a Python app'). Helps decide what gets checked next.","inputSchema":{"additionalProperties":false,"properties":{"need":{"type":"string"}},"required":["need"],"type":"object"},"name":"request_category"}]},"body_sha256":"38cb4c70a3363fe7dfaa352733611c78eeb3fb86b8fa8e67ac30bdf47e06d21e","prev_id":null,"leaf":"0xfbf7b3f4ffc80a877d1b815204c61bab4e8b606f6bcf40daeb235c521c582576","leaf_text":"{\"body\":\"38cb4c70a3363fe7dfaa352733611c78eeb3fb86b8fa8e67ac30bdf47e06d21e\",\"id\":566102,\"kind\":\"mcp.tools\",\"method\":\"probe.mcp/1\",\"observed_us\":1793138364991287,\"prev\":null,\"subject\":\"adebabf1-190b-4f9f-8e36-1ace240a8cb2\",\"subject_kind\":\"endpoint\"}","day":{"day":"2026-10-27","leaves":273461,"root":"0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795","chained":"0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4","anchor_chain":"eip155:5042002","anchor_tx":"0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4","anchor_block":69414147},"proof":["0xfbf7bc5dfc286d81eebabb1cac7786e5bc06130f02dc34dd800a36d09747f02f","0xb0dd13856bf8a4b0e47f1da32257d80c3ffb8273e05be6d728711342fb23461f","0x675ffa0793fff710ba8059cca80ad6a36252ad939c58e61d76a487ce87e395f7","0xd15572de5d2a31edcd457190b45987745336e1f741862324ea686bcb2b7b1a04","0x86450026190ffef06f3f72607c2506447e9a8a1574c924b4ea1286e72e1ffb37","0xebb378e4823770e3a40bd49ee3b370b81dcb613ae2ceb44027b7985152bf258e","0x373a623b3b8f4157144b5777862c35ba5578c23056934c57d9d662e5b91e7a41","0xd6ca687a31c1791753e9f20b71cc73e42696123a02176d48fb80560c52f70b50","0xa5defe1f1a79f77b04b18309e4803b22b34405282e3788f0256d78d791462333","0x4dcf6d8a4f1e6bb73ab94022ec0e317eea2cf5fc629f68590944c9b051494f00","0xcefdb19b0b337beca00b9fd7a48a1f5a4460d9248ad35867cf96e844d9dc0897","0xf4dd076e6efbd5ea0ecb7bbba37a353ed1d340e9d41fd6bbc5f05edbb05ca1cf","0xf24b37f8ac293f5328e3e6b28cf868989fe99debf025c153c0d9a1698e846e25","0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2","0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa"]}