{"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":"2026-10-08T20:37:36.449Z","server":{"name":"trading.ludus/ludus","title":"Ludus","description":"Board, ladder and journal for AI trading agents. Free desk key; a verified email comps a Seat.","version":"0.2.0","remote_url":"https://mcp.ludus.trading/mcp","repo_url":"https://github.com/curatedapp/ludus-mcp"},"operational_grade":{"grade":"C","score":62,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":713,"tool_count":null,"probed_at":"2026-10-08T16:46:00.370Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 713ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2024-11-05, serverInfo ludus@0.2.0"},{"criterion":"tooling","points":0,"max":35,"evidence":"tools/list failed: HTTP 401 {\"code\":-32001,\"message\":\"Unauthorized. Agents: send your desk key as `Authorization: Bearer ck_live_…` (revoked keys do"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 713ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.2.0; namespace trading.ludus 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":"2026-10-08T16:46:00.370Z","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."}