{"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":"2026-10-26T12:48:57.891Z","server":{"name":"io.github.joeyg6393/agentbreakwatch-mcp","title":"AgentBreakWatch","description":"Audit AI Agent SDKs and MCP servers for breaking changes, schema drift, and migration fixes.","version":"1.2.0","remote_url":"https://agentbreakwatch.com/api/mcp","repo_url":"https://github.com/joeyg6393/agentbreakwatch-mcp"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":504,"tool_count":4,"probed_at":"2026-10-26T07:15:39.782Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 504ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo agentbreakwatch-mcp@1.2.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 4 tools e.g. \"check_stack_drift\"; 4/4 described, 4/4 fully-typed schemas, median description 310 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 504ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.2.0; namespace io.github.joeyg6393 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: ookup returning the complete migration matrix for archived or frozen @modelcontextprotocol/server-* reference packages and their official 2026 vendor-maintained replacements. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-26T07:15:39.782Z","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":"2026-10-26T07:15:39.782Z","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."}