{"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":"2026-10-07T09:44:26.477Z","server":{"name":"io.github.helphub369/model-ruler","title":"Model Ruler — AI Cost Calculators","description":"Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.","version":"1.0.4","remote_url":"https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry","repo_url":null},"operational_grade":{"grade":"A","score":90,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":150,"tool_count":12,"probed_at":"2026-10-07T03:16:06.855Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 150ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2024-11-05, serverInfo modelruler-inference-calculators@1.0.4"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 12 tools e.g. \"token-counter\"; 12/12 described, 12/12 fully-typed schemas, median description 197 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 150ms"},{"criterion":"provenance","points":5,"max":15,"evidence":"description present; no repository URL; version 1.0.4; namespace io.github.helphub369 does NOT match remote host (expected *.helphub369.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":"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":"2026-10-07T03:16:06.855Z","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."}