{"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":"2026-10-05T15:29:36.978Z","server":{"name":"ai.catalystproject/evidence-graph","title":"Catalyst evidence graph","description":"Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.","version":"0.2.0","remote_url":"https://catalystproject.ai/mcp","repo_url":"https://github.com/colorcatalyst/catalyst-mcp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":242,"tool_count":7,"probed_at":"2026-10-05T11:01:05.768Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 242ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo catalyst-evidence-graph@0.2.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 7 tools e.g. \"find_evidence\"; 7/7 described, 7/7 fully-typed schemas, median description 872 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 242ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.2.0; namespace ai.catalystproject 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: each with its evidence strength in words, the study design, the quote, the paper, a permalink and a citation to quote as it stands | get_relations What public reference databases (Reactome, UniProt, Rhea, ChEBI and others) record about a node: transporters, enzymes, pathways, expression | Every route is assertion_class 'inferred': a hypothesis drawn from reference databases, never a measured or reported effect. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-05T11:01:05.768Z","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":"2026-10-05T11:01:05.768Z","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."}