{"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":"2026-08-28T08:51:50.414Z","server":{"name":"io.github.RNVizion/rnv-color-mcp","title":null,"description":"A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.","version":"1.2.0","remote_url":"https://rnvizion-rnv-color-mcp.hf.space/mcp","repo_url":"https://github.com/RNVizion/rnv-color-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":203,"tool_count":9,"probed_at":"2026-08-27T21:00:34.983Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 203ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo rnv-color@3.4.7"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 9 tools e.g. \"mix_colors\"; 9/9 described, 9/9 fully-typed schemas, median description 478 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 203ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.2.0; namespace io.github.RNVizion 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: e a hex (#d2bc93), a CSS name (red), an RNV brand name (brand gold, near-black), or a saved-palette reference (Spring line, or 'Spring line:2' for its 2nd swatch) | Input accepts a hex, CSS name, RNV brand name, or saved-palette reference | base accepts a hex, CSS name, RNV brand name, or saved-palette reference (e. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-27T21:00:34.983Z","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":"2026-08-27T21:00:34.983Z","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."}