{"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":"2026-07-29T02:07:51.679Z","server":{"name":"com.mfgcalcs/mfgcalcs","title":null,"description":"5,400+ manufacturing calculators plus live U.S. tariff, PMI, cost-index, wage, and forecast data.","version":"1.0.0","remote_url":"https://www.mfgcalcs.com/api/mcp","repo_url":null},"operational_grade":{"grade":"A","score":94,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":567,"tool_count":30,"probed_at":"2026-07-28T23:31:01.785Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 567ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo mfgcalcs@1.0.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 30 tools e.g. \"search_calculators\"; 30/30 described, 30/30 fully-typed schemas, median description 667 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 567ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 1.0.0; namespace com.mfgcalcs 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: Returns labeled results with units, the formula, and a citation URL that should be shared with the user | Reference data from USITC, not a customs ruling — cite the r get_tariff_index Get the U | manufacturing costs, tariffs, imports, wages, energy, or definitions with a single cited number from mfgcalcs. No response-level citation benchmark has verified this claim yet.","source_type":"live_probe","sample_size":null,"observed_at":"2026-07-28T23:31:01.785Z","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":"2026-07-28T23:31:01.785Z","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."}