{"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":"2026-09-19T01:35:33.659Z","server":{"name":"io.github.A2A-Peptides/a2a-peptides","title":"A2A Peptides","description":"Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.","version":"1.5.0","remote_url":"https://mcp.a2a-peptides.ai/mcp","repo_url":"https://github.com/A2A-Peptides/A2A-Peptides"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":755,"tool_count":20,"probed_at":"2026-09-18T21:30:54.113Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 755ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo a2a-peptides@1.6.2"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 20 tools e.g. \"resolve_jurisdiction\"; 20/20 described, 20/20 fully-typed schemas, median description 162 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 755ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.5.0; namespace io.github.A2A-Peptides 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: sh), sourced aliases, class, one pathway row per jurisdiction × pathway, enforcement events, safety references. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-09-18T21:30:54.113Z","methodology_version":"trust-v1"},{"dimension":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"resolve_actor","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: resolve_actor. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-09-18T21:30:54.113Z","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":"2026-09-18T21:30:54.113Z","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."}