{"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":"2026-10-25T15:50:32.799Z","server":{"name":"io.usefulapi/gocanvas","title":"GoCanvas MCP by usefulapi","description":"Read GoCanvas forms, submissions, users, dispatches and reference data; create dispatches.","version":"1.0.0","remote_url":"https://gocanvas.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":367,"tool_count":23,"probed_at":"2026-10-25T10:01:00.450Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 367ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo gocanvas-mcp@1.0.2"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 23 tools e.g. \"gocanvas_get_me\"; 23/23 described, 23/23 fully-typed schemas, median description 113 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 367ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; 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: GoCanvas MCP by usefulapi Read GoCanvas forms, submissions, users, dispatches and reference data; create dispatches | gocanvas_list_reference_data Reference data (lookup tables used by forms): id, name, columns, version | gocanvas_get_reference_data One reference data set with its rows. 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."}