{"id":275217,"recorded_at":"2026-10-26T18:47:36.823227Z","observed_at":"2026-10-26T18:47:36.823154Z","subject_kind":"endpoint","subject":"9e2a9136-5c42-457a-b235-c57c6a529ede","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":3,"tools":[{"description":"Read a server's published behavioral grade (A-F) from polygraph.so in under a second; no execution. The pre-flight check before recommending or installing an MCP server. On a miss it returns not_available (unevaluated: neither safe nor unsafe) with next steps.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"server_ref":{"description":"Registry-prefixed server ref: npm/<name>, npm/@scope/<name>, pypi/<name>, or github/<owner>/<repo>, with an optional @version. Example: npm/@modelcontextprotocol/server-filesystem","maxLength":512,"minLength":1,"type":"string"}},"required":["server_ref"],"type":"object"},"name":"check_server"},{"description":"Servers with a published polygraph grade, sorted A-first then by ref. Returns up to `limit` rows starting at `offset` (default limit 25, capped at 100 per call); `grade` restricts to one letter. `summary` always covers the full graded corpus (a total plus a count per grade), regardless of `grade`, `limit`, or `offset`.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"grade":{"description":"Restrict to servers with this grade.","enum":["A","B","C","D","F"],"type":"string"},"limit":{"description":"Rows to return. Default 25, capped at 100 per call.","exclusiveMinimum":0,"type":"integer"},"offset":{"description":"Rows to skip before taking `limit`, for paging past the first page.","minimum":0,"type":"integer"}},"type":"object"},"name":"list_servers"},{"description":"Hosted grading is discontinued. This tool returns gone. Existing published grades remain available via check_server / list_servers. To grade a server yourself, run the open harness: npx -y -p @polygraphso/litmus polygraphso-litmus litmus <server_ref>.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"server_ref":{"description":"Registry-prefixed server ref: npm/<name>, npm/@scope/<name>, pypi/<name>, or github/<owner>/<repo>, with an optional @version. Example: npm/@modelcontextprotocol/server-filesystem","maxLength":512,"minLength":1,"type":"string"}},"required":["server_ref"],"type":"object"},"name":"request_grade"}]},"body_sha256":"c1bc170311ab6a68b4ee6b1820a89dc6c2d32e99a2c29c3ae3a8b964f54acfa7","prev_id":null,"leaf":"0xac3111cd225bb92f07a3a67c1408a1d435947a7131866fcc01128a2501c82fcb","leaf_text":"{\"body\":\"c1bc170311ab6a68b4ee6b1820a89dc6c2d32e99a2c29c3ae3a8b964f54acfa7\",\"id\":275217,\"kind\":\"mcp.tools\",\"method\":\"probe.mcp/1\",\"observed_us\":1793040456823154,\"prev\":null,\"subject\":\"9e2a9136-5c42-457a-b235-c57c6a529ede\",\"subject_kind\":\"endpoint\"}","day":{"day":"2026-10-26","leaves":296695,"root":"0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8","chained":"0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a","anchor_chain":"eip155:5042002","anchor_tx":"0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae","anchor_block":69251483},"proof":["0xac310c76854841200fd37e33f43119ff558e2dff93fa723408aefcf1846cd6fa","0xe43793570f97f72448125e7c834fcf20544a22785b80cda0db07661300ef4a2a","0xdc445a4277c272ed696a45dfe211531671bf5cd1e465d1835b19ab85413322dc","0x9db39e643defabb3ee9c88f6dce0877de0e717a935e18b35dc3c94ccf42f9322","0x7346f246f9b1026551869a6d1b1cbef63b2c7bc086f9d70b11202ba14ff037e1","0x78207a9864d392171a7bf8580d973c500f6d3a350a2707cb884114d6d40e3cdc","0x41d2b36b1033a8a8175634eab7c21231d5115a53ab918f543e8be7a86abddd4b","0x13ef9ce654bad5a008fb27fe4178dcaa07d240d6bbf16dcb40e8275f13ad40b8","0x64cdd11706d733abe111a6e0bbaa96ee498e378ada17d62db33853ba4ef813d2","0xc97abdede7c4060ef185e84128116a0ad0ab1d598f63d28fa5df0730f940fb58","0x3777e64f7ac9f40ae7e4f13404a570afc2a739656a377469485865c026d1c99c","0xb7fae69bb7bd717d54a83df961404a3e4de2a5cfbcfa013fd83a38627fe13f7e","0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66","0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420","0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570","0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452","0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40","0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}