{"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":"2026-07-17T07:12:55.257Z","server":{"name":"tools.clean/mcp","title":null,"description":"Read-only developer, date, finance, and text utilities. Authless remote MCP server by Clean.tools.","version":"0.1.1","remote_url":"https://mcp.clean.tools/mcp","repo_url":null},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":195,"tool_count":42,"probed_at":"2026-07-15T05:00:34.695Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 195ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo clean-tools@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 42 tools e.g. \"explain_cron\"; 42/42 described, 42/42 fully-typed schemas, median description 629 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 195ms"},{"criterion":"provenance","points":12,"max":15,"evidence":"description present; no repository URL; version 0.1.1; namespace tools.clean 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":"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."}