{"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":"2026-10-23T04:33:31.716Z","server":{"name":"app.openkrill/tuvi","title":"Tu Vi Chart","description":"Cast a Tu Vi (Zi Wei Dou Shu) birth chart with the lunar date, 12 palaces, stars and cited readings.","version":"1.0.0","remote_url":"https://tuvi.openkrill.app/mcp","repo_url":"https://github.com/nguyenhieuec/agent-tools-plugins"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":522,"tool_count":4,"probed_at":"2026-10-22T23:30:59.926Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 522ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo tuvi@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 4 tools e.g. \"tuvi_chart\"; 4/4 described, 4/4 fully-typed schemas, median description 498 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 522ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.0.0; namespace app.openkrill 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: Tu Vi Chart Cast a Tu Vi (Zi Wei Dou Shu) birth chart with the lunar date, 12 palaces, stars and cited readings | amese and Chinese, plus readings for births from 1950 to 2026 from an open CC BY dataset, each with citations to the classic submit_feedback Send feedback, a bug report or a tool request to the maintainers of the tools on this server: a missing tool, missing or stale d. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-22T23:30:59.926Z","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":"2026-10-22T23:30:59.926Z","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."}