{"slug":"model-context-protocol","captured_date":"2026-09-20","record":{"slug":"model-context-protocol","trust_score":83,"trust_tier":"High","captured_date":"2026-09-20"},"leaf":"06af1065bbc867bd247b779fd0dd14085a7ca5d49e16abe660740ab9df3d7e1e","leaf_preimage":"satohub-score-leaf/v1|2026-09-20|model-context-protocol|83|High","proof":["06419326ccbe7d399c98fd99c30085acba3246799152d929aa425e2e0d3e894a","019f08b2f5a5b3e3954909aa684ecf868cd5db6c972c5d94f476684afc456a43","70095a78c0b9ee189ed7067e50a72926606f9080ec7737bacf743c94c00711d5","34cd26bda3d474a1442501ceeb3f782a6697f9d17bc0e4e3ab9f5f0320e64f1e","e3ae1598683931ac9a23a7fc1303be50ee82821bdfaf5da34b10ec5c7c44ae31","6f76bf99bb2121d39a3a3c06145d966b9325b7af4396b109b4e3e80536c26c3a","25e320d6186f2baf4b548dd0e67676e654d2d682b4ec9fdea4917ccdf677b641","e2451ce3f2bc2323715309db3cb6fe5158c8e6f2aaeb722589d032dbb3139dd4","bf3bb9274f88694580b855bfb222018c4e1ef91be5eaf62a4d05bc5990e53206"],"root":"5216b3a5352d78176f3ae7d63b91f40d2be917b01afaf0942fc8dd95f9fe48a9","leaf_count":384,"method":"sha256; leaf=SHA256(\"satohub-score-leaf/v1|\"+date+\"|\"+slug+\"|\"+score+\"|\"+tier); node=SHA256(\"satohub-score-node/v1\"||min(a,b)||max(a,b)); leaves sorted ascending; odd node promoted","rebuilt_root":"5216b3a5352d78176f3ae7d63b91f40d2be917b01afaf0942fc8dd95f9fe48a9","matches_published_root":true,"root_signature":{"alg":"EdDSA","kid":"b04bd38b","sig":"8x2PVRHC3cYKghE5EKbG8G5onlKHwI2HQKTBeqxpNewrA4cAQfbFcJ6mrG4AxtZ8-aclBapZC9sFObM-uv3pCQ","signed_at":"2026-09-20T13:04:07.442Z"},"onchain":null,"onchain_note":"not attested on-chain — key absent (ATTEST_PRIVATE_KEY is not set)","meta":{"rules":["A proof shows this score was in the day's published commitment. It is not a claim that the score is correct, and it is not a safety, quality or returns grade.","Verify against an archived copy of the root rather than the one in this response — a proof checked only against a root served by the same server proves less."],"roots_url":"https://satohub.ai/.well-known/sato-score-roots.json","jwks_url":"https://satohub.ai/.well-known/jwks.json","report_url":"https://satohub.ai/verify/model-context-protocol","methodology_url":"https://satohub.ai/sato-score","signature":{"alg":"EdDSA","kid":"b04bd38b","sig":"g4znoGoNs_rhBD0EqfELDxgRuwQhiukk0JeW7_UCWr0pLk_rdUiJ9DS5xCtr9cYWiuGWVleuSZIuoOImknsFBg","signed_at":"2026-09-21T06:36:50.750Z","jwks_url":"https://satohub.ai/.well-known/jwks.json","canonicalization":"utf8(signed_at) || 0x0A || canonicalJson(body without meta.signature); canonicalJson = JSON with object keys sorted by Unicode code point, array order preserved, no whitespace"}}}