{"id":24912,"recorded_at":"2026-10-26T14:35:53.192469Z","observed_at":"2026-10-26T14:35:53.192396Z","subject_kind":"source_record","subject":"mcp_registry:io.fairseal/mcp-server","kind":"listing","method":"baseline/1","body":{"endpoints":[["web","https://fairseal.io/"]],"name":"io.fairseal/mcp-server","owner_address":null,"raw":{"_meta":{"io.modelcontextprotocol.registry/official":{"isLatest":true,"publishedAt":"2026-09-30T02:32:07.656741Z","status":"active","statusChangedAt":"2026-09-30T02:32:07.656741Z","updatedAt":"2026-09-30T02:32:07.656741Z"}},"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","description":"Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API).","name":"io.fairseal/mcp-server","packages":[{"environmentVariables":[{"description":"API key for gated tools (fairseal_entropy, fairseal_stats, fairseal_rng_generate, fairseal_notarize_decision, fairseal_anchor_submit). Key prefix: fsn_. Without a key these tools return 401; free tools (game reads, notarize_status, anchor_status) work without any key. x402 micropayment ($0.02 USDC on Base) is an alternative to the key for notarize/anchor.","isSecret":true,"name":"FAIRSEAL_API_KEY"},{"description":"Upstream API base URL (default https://api.fairseal.io).","name":"FAIRSEAL_API_URL"},{"description":"Key override for the notary service only (POST /v1/notarize). Falls back to FAIRSEAL_API_KEY if not set. Key prefix: fsn_.","isSecret":true,"name":"FAIRSEAL_NOTARY_API_KEY"},{"description":"Key override for Anchor API v2 only (POST /v2/anchor). Falls back to FAIRSEAL_API_KEY if not set. Key prefix: anck_.","isSecret":true,"name":"FAIRSEAL_ANCHOR_API_KEY"}],"identifier":"@fairseal/mcp-server","registryBaseUrl":"https://registry.npmjs.org","registryType":"npm","transport":{"type":"stdio"},"version":"0.2.4"}],"repository":{"source":"github","url":"https://github.com/ned-del/fairseal"},"version":"0.2.4","websiteUrl":"https://fairseal.io"}},"source":"mcp_registry","summary":"Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API)."},"body_sha256":"ff298debf41739cfa3b7db05b9a4ea2b032807bf3c8a09b4e2d1b4479610b0b9","prev_id":null,"leaf":"0x67030a4203bfcd5ab86255e21ccc3737c0bde3ef054da4a116783384558b316f","leaf_text":"{\"body\":\"ff298debf41739cfa3b7db05b9a4ea2b032807bf3c8a09b4e2d1b4479610b0b9\",\"id\":24912,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025353192396,\"prev\":null,\"subject\":\"mcp_registry:io.fairseal/mcp-server\",\"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":["0x67028c4928f5e1a9c90a0d36206567cf32957dfcf5153d191b271503ddf1bc3a","0xe81725f043b7d3b928e525cb33351fe13df49f604ed7aec3bf2bbec97d63229c","0x0d8f02a4f8c82ba889f2612ae6eeaddf261021734496bbf6500fc4911ebab7bc","0x43137f181f3f5c24addff8eb5049d18ff116645a376d47cd366d0fca0ae18392","0xae392eb4a738409efe4100ec9055e14e546d0bcadde4d99b20f5b069b28b288d","0x6279685984211e1bc15a6df0b7c2a9bf7e7c5d15e59eaeba28a5d7b4f9f0b0f4","0x3c20e860fa19dff8166c98d1efcfd1b49da3d0342cdfe82e6cf312257408d624","0x837cb5912a275185f35389f95caf3c6fd1fbea0b4109e5c9bad77f4a2b528f11","0x39d055f1a5898b25bdcfd8aa904cd619413462803f89fae9558b66148b215879","0x1532666d1a6a9b626e54c3e93335a185ec833ad947243bdea3c723654b68d9f4","0x13951c97c827e2025801573dada28cfb5f8038c9b4de741f9d526cb67b3fe605","0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175","0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf","0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666","0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40","0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0","0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d","0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}