{"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":"2026-07-17T00:12:44.844Z","server":{"name":"io.github.team-earth/datagraph","title":"DataGraph","description":"Urban intelligence knowledge graph. Structured locality data for civic problem-solving.","version":"1.7.2","remote_url":"https://api.datagraph.city/mcp","repo_url":null},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":142,"tool_count":5,"probed_at":"2026-07-14T21:45:36.961Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 142ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-03-26, serverInfo datagraph-city@1.6.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 5 tools e.g. \"get_server_info\"; 5/5 described, 5/5 fully-typed schemas, median description 59 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 142ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 1.7.2; namespace io.github.team-earth does NOT match remote host (expected *.team-earth.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":"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."}