{"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":"2026-10-25T15:50:20.498Z","server":{"name":"io.usefulapi/farmbrite","title":"Farmbrite MCP by usefulapi","description":"Read Farmbrite livestock, crops, tasks, inventory and orders; log records and tasks.","version":"1.1.0","remote_url":"https://farmbrite.usefulapi.io/mcp","repo_url":"https://github.com/m190/usefulapi-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":469,"tool_count":44,"probed_at":"2026-10-25T10:01:00.450Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 469ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo farmbrite-mcp@1.1.2"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 44 tools e.g. \"farmbrite_list_animals\"; 44/44 described, 44/44 fully-typed schemas, median description 140 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 469ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.1.0; namespace io.usefulapi 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":"citation_quality","metric":"citation_capability_advertised","status":"unverified","value_text":null,"evidence":"Metadata/tool descriptions advertise citation or evidence capability: customer or generate an invoice depending on the account's settings and the status chosen; the API reference does not say, so use Draft unless the user asks otherwise and only pass email when told to. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-25T10:01:00.450Z","methodology_version":"trust-v1"},{"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":"2026-10-25T10:01:00.450Z","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."}