{"attribution":"MCP Queen — the evidence layer for MCP (https://mcpqueen.com)","license":"CC BY 4.0 — free to use with attribution and a link to mcpqueen.com","methodology":"https://mcpqueen.com/registry#methodology","docs":"https://mcpqueen.com/api","generated_at":"2026-11-02T02:50:12.274Z","server":{"name":"dev.fly.fathom-lab-door/fathom","title":"Fathom (lab)","description":"Find places and groups around an interest in a town, each with a source; propose what is missing.","version":"0.1.0","remote_url":"https://fathom-lab-door.fly.dev/mcp","repo_url":null},"operational_grade":{"grade":"A","score":94,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":134,"tool_count":22,"probed_at":"2026-11-01T17:30:58.939Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 134ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo fathom-kernel@0.1.0"},{"criterion":"tooling","points":32,"max":35,"evidence":"tools/list OK: 22 tools e.g. \"platform_describe\"; 22/22 described, 15/22 fully-typed schemas, median description 137 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 134ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.1.0; namespace dev.fly.fathom-lab-door matches endpoint/repo"}],"protocol_access":"open"},"field_semantics":{"auth_state":"Deprecated name retained for compatibility. It means protocol handshake/discovery access only, not tool-level data entitlement.","protocol_access":"Preferred name for auth_state."},"audit_state":"observations_published","observations":[{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"open","evidence":"Live protocol probe observed auth_state=open. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-11-01T17:30:58.939Z","methodology_version":"trust-v1"}],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}