{"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":"2026-08-01T12:23:10.542Z","server":{"name":"io.github.sheetbest/sheet-best","title":"Sheet Best MCP","description":"Connect AI assistants to Google Sheets through controlled tools for reading and updating rows.","version":"1.0.0","remote_url":"https://mcp.sheetbest.com/","repo_url":null},"operational_grade":{"grade":"F","score":5,"provisional":0,"reachable":0,"auth_state":"unreachable","latency_ms":142,"tool_count":null,"probed_at":"2026-08-01T09:46:01.516Z","evidence":[{"criterion":"reachability","points":0,"max":25,"evidence":"HTTP 200 in 142ms — JSON-RPC error: {\"code\":-32001,\"message\":\"Authentication failed\",\"data\":{\"code\":\"missing_token\"}}"},{"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 1.0.0; namespace io.github.sheetbest does NOT match remote host (expected *.sheetbest.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":"observations_published","observations":[{"dimension":"security","metric":"authentication_boundary","status":"observed","value_text":"unreachable","evidence":"Live protocol probe observed auth_state=unreachable. This describes discovery/access behavior; it is not by itself a vulnerability finding.","source_type":"live_probe","sample_size":null,"observed_at":"2026-08-01T09:46:01.516Z","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."}