{"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":"2026-08-31T18:28:47.605Z","server":{"name":"io.github.helena-bioinformatics/noodle","title":"Noodle Biomedical Literature Discovery MCP","description":"Search biomedical papers, inspect publication records, and traverse citation or semantic graphs.","version":"0.2.1","remote_url":"https://api.helena.bio/noodle/v1/mcp","repo_url":"https://github.com/helena-bioinformatics/noodle-mcp"},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":144,"tool_count":7,"probed_at":"2026-08-30T00:00:38.152Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 144ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo noodle@0.2.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 7 tools e.g. \"search_biomedical_literature\"; 7/7 described, 7/7 fully-typed schemas, median description 162 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 144ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 0.2.0; namespace io.github.helena-bioinformatics does NOT match remote host (expected *.helena-bioinformatics.github.io)"}],"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: edical Literature Discovery MCP Search biomedical papers, inspect publication records, and traverse citation or semantic graphs | search_biomedical_literature Semantically search Noodle's public PubMed-derived biomedical corpus | Include known PMID, DOI, or PMCID identifiers in the query so they can act as exact anchors. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-30T00:00:38.152Z","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":"2026-08-30T00:00:38.152Z","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."}