{"slug":"circle-agent-stack-mcp","captured_date":"2026-10-21","record":{"slug":"circle-agent-stack-mcp","trust_score":52,"trust_tier":"Medium","captured_date":"2026-10-21"},"leaf":"627b58696db2f588ba186e9c2c6421109da35896ce6746ca6902153ff877b8db","leaf_preimage":"satohub-score-leaf/v1|2026-10-21|circle-agent-stack-mcp|52|Medium","proof":["62983cf0d8257c4b1e40d0960ff49aa0886fc11aaad3cba6066ad8d343ef87b4","3604b804559f6d829dfa751f526761ef76ddda461606f9d799168662af07c718","89c77e6255fe77d91b2ce5214a1f99fda56ae348025f462c4b7ee5192cf5bc6c","5a28c470ffdf001e81c067f7fa82de35eee50ea0dc50fb89a11049b18a1521ff","90573e91d88b3874614dff42b60e69070517482a4e7976e99a298a230bdceb1c","4f5a585970942b94bf6ac947a46b4b289b828f3813677f6e3667f7d2d0d675e5","cdbb01c03e451955d6950d27d1b849321d95b58634a645e4833feee1ce600684","ef7202e56b582e6d72e7743a4d859f15d474f15f30ec6930a3b83aff0fb891ae","5b1e44f67128988c12c5e9ad0a6b00e387533aaafcac69836793afc4511453a8"],"root":"8fc0303cbb59a4e8650d51e49df28f1fcf029b3e6e76f5828cc630397d6b263c","leaf_count":490,"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":"8fc0303cbb59a4e8650d51e49df28f1fcf029b3e6e76f5828cc630397d6b263c","matches_published_root":true,"root_signature":{"alg":"EdDSA","kid":"b04bd38b","sig":"s5g00ihgTfbrn5rNMsWwIQXLOaYU0XNg9E50DKlI9pOvJPCYlgwiH2hSgk26sHpbtT4bfCBnky7TGicRfh7yBw","signed_at":"2026-10-21T05:30:43.036Z"},"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/circle-agent-stack-mcp","methodology_url":"https://satohub.ai/sato-score","signature":{"alg":"EdDSA","kid":"b04bd38b","sig":"Quoib56w56a5hXKzNL_c-uK9EdmSimOYWFc09AqxbPe4O-4twUV2k3Zk0GIO1f2M0lkcG26Bu6tY4I4w_R0uDg","signed_at":"2026-10-21T18:47:00.835Z","jwks_url":"https://satohub.ai/.well-known/jwks.json","canonicalization":"utf8(signed_at) || 0x0A || canonicalJson(body with meta.signature removed; the meta object itself is kept, and is present in every signed body); canonicalJson = JSON with object keys sorted by Unicode code point, array order preserved, no whitespace"}}}