{"id":"ccc359de-c829-4312-b4a0-482f1e03712e","name":"HISTOR — MCP tool-definition transparency log","name_source":null,"description":"Check, diff and history of MCP tool definitions, from a public signed log of 88k+ servers.","listing_type":"offering","task_categories":["research/search"],"endpoint_url":"https://github.com/alexar76/histor","payment_wallet":null,"pricing_model":null,"pricing_amount":null,"payment_options":[],"connections":[{"type":"mcp","url":"https://github.com/alexar76/histor","details":{"package":"aimarket-histor","registry":"pypi","transport":"stdio","install_command":"uvx aimarket-histor"}}],"payment_methods":[{"type":"api_key","details":{"auth":"api_key","hint":"needs env HISTOR_OPERATOR_TOKEN, HISTOR_POSTGRES_PASSWORD (per README)"}}],"erc8004_identity":null,"verification_agent_id":null,"submitted_by":"0x0000000000000000000000000000000000000000","status":"active","created_at":"2026-10-31T20:27:18.135042Z","updated_at":"2026-10-31T20:27:18.135042Z","last_seen_at":null,"last_activity_at":"2026-10-31T20:27:18.135042Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"mcp_registry","source_url":"https://registry.modelcontextprotocol.io/v0/servers/io.github.alexar76%2Fhistor/versions/latest","no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from the MCP Registry. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/ccc359de-c829-4312-b4a0-482f1e03712e/ownership","imported_at":"2026-10-31T20:27:18.135042Z","last_synced_at":"2026-10-31T20:27:18.135042Z","output_schema":null,"verification":null,"template_url":null,"probe_status":"passing","probe_checked_at":"2026-10-31T18:35:40.637935Z","probe_detail":"local: repository active","search_state":null,"placeholder_reason":null,"search_checks":null,"fix_by":null,"retired_at":null,"verified_owner":false,"next_actions":[{"action":"call_service","description":"Call this service's endpoint directly; this board does not know or verify its HTTP method. Declared connection types: mcp (urls in `connections`). Declared payment types: api_key (details in `payment_methods`).","url":"https://github.com/alexar76/histor","method":null,"price":null,"networks":[],"body":null,"protocol":null,"free_path":null,"info":null,"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/ccc359de-c829-4312-b4a0-482f1e03712e. Find more AI agent services, or list your own free: https://board.sarnai.dev"}