{"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":"2026-07-17T00:13:10.587Z","server":{"name":"io.github.mctx-ai/artifacts","title":"Artifacts","description":"Save decisions, plans, and notes from any AI session and retrieve them later — from any client. Ask ","version":"2.2.0","remote_url":"https://artifacts.mctx.ai/v2.2.0","repo_url":null},"operational_grade":{"grade":"F","score":5,"provisional":0,"reachable":0,"auth_state":"unreachable","latency_ms":247,"tool_count":null,"probed_at":"2026-07-14T06:15:34.726Z","evidence":[{"criterion":"reachability","points":0,"max":25,"evidence":"HTTP 503 in 247ms — JSON-RPC error: {\"code\":-32003,\"message\":\"Service Unavailable\",\"data\":{\"error\":\"server_offline\",\"description\":\"This server has been taken offline by the developer.\"}}"},{"criterion":"protocol","points":0,"max":15,"evidence":"no handshake"},{"criterion":"tooling","points":0,"max":35,"evidence":"unreachable — no tooling to assess"},{"criterion":"latency","points":0,"max":10,"evidence":"not measurable"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 2.2.0; namespace io.github.mctx-ai does NOT match remote host (expected *.mctx-ai.github.io)"}],"protocol_access":"unreachable"},"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":"unaudited","observations":[],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}