{"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":"2026-08-16T11:18:43.775Z","server":{"name":"io.github.Krzysztof318/mailfathom","title":"MailFathom","description":"Security-first, self-hosted email archive with read-only search and cited answers for AI agents.","version":"0.6.0","remote_url":"https://{mailfathom_host}/mcp","repo_url":"https://github.com/Krzysztof318/MailFathom"},"operational_grade":{"grade":"F","score":15,"provisional":0,"reachable":0,"auth_state":"unreachable","latency_ms":null,"tool_count":null,"probed_at":"2026-08-15T06:45:34.233Z","evidence":[{"criterion":"reachability","points":0,"max":25,"evidence":"fetch failed: probe DNS response was unsuccessful"},{"criterion":"protocol","points":0,"max":15,"evidence":"no handshake"},{"criterion":"tooling","points":0,"max":35,"evidence":"unreachable — no tooling to assess"},{"criterion":"latency","points":0,"max":10,"evidence":"not measurable"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.6.0; namespace io.github.Krzysztof318 matches endpoint/repo"}],"protocol_access":"unreachable"},"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":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: MailFathom Security-first, self-hosted email archive with read-only search and cited answers for AI agents. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-15T06:45:34.233Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"unreachable","evidence":"Live protocol probe observed auth_state=unreachable. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-15T06:45:34.233Z","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."}