{"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":"2026-10-13T05:39:38.110Z","server":{"name":"com.rubrkit/rubrkit","title":null,"description":"MCP-native AI evaluation: rubric audits, eval suites, and proof reports for AI/LLM output.","version":"1.0.0","remote_url":"https://www.rubrkit.com/api/v1/mcp","repo_url":"https://github.com/liberat0r/react-rubrkit"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":350,"tool_count":41,"probed_at":"2026-10-08T07:15:59.849Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 350ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo rubrkit@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 41 tools e.g. \"rubrkit_search_api_docs\"; 41/41 described, 41/41 fully-typed schemas, median description 114 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 350ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace com.rubrkit 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: rubrkit_read_input_drift Compare recent production inputs against a prior reference window (population stability index) for an artifact bundle via GET /api/v1/artifact-bundles/{artifactBundleId}/drift/input. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-08T07:15:59.849Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"rubrkit_delete_artifact_bundle, rubrkit_hard_delete_artifact_bundle, rubrkit_retire_golden_case","evidence":"3 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: rubrkit_delete_artifact_bundle, rubrkit_hard_delete_artifact_bundle, rubrkit_retire_golden_case. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":3,"observed_at":"2026-10-08T07:15:59.849Z","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":"2026-10-08T07:15:59.849Z","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."}