{"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":"2026-10-22T21:27:29.556Z","server":{"name":"io.github.theluckystrike/currency-converter","title":"Zovo Currency Converter","description":"Currency rates & history","version":"1.0.0","remote_url":"https://currency-converter.zovo.one/mcp","repo_url":null},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":248,"tool_count":2,"probed_at":"2026-10-22T17:45:57.322Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 248ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo currency-converter@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 2 tools e.g. \"convert_currency\"; 2/2 described, 2/2 fully-typed schemas, median description 557 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 248ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace io.github.theluckystrike does NOT match remote host (expected *.theluckystrike.github.io)"}],"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: It uses the European Central Bank euro reference rates (published on working days around 16:00 CET) and returns the converted amount, the rate, the inverse rate and the actual rate date, for up to 10 target c | It returns the daily European Central Bank euro reference rates for up to 5 quote currencies over at most 366 days, with min, max, average and the first-to-last change in percent, plus a CSV download and a line chart. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-10-22T17:45:57.322Z","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":"2026-10-22T17:45:57.322Z","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."}