{"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":"2026-09-10T00:43:15.580Z","server":{"name":"com.boostermage/mtg-prices","title":"Boostermage MTG Prices","description":"Live MTG sealed product prices across UK retailers. Search, compare, track deals and price drops.","version":"1.0.4","remote_url":"https://mcp.boostermage.com/mcp","repo_url":"https://github.com/fmacpro/boostermage"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":121,"tool_count":15,"probed_at":"2026-09-06T00:15:28.647Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 121ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo boostermage-mcp@1.0.4"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 15 tools e.g. \"get_price_history\"; 15/15 described, 15/15 fully-typed schemas, median description 66 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 121ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.4; namespace com.boostermage 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":"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":"2026-09-06T00:15:28.647Z","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."}