{"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":"2026-10-30T03:45:21.659Z","server":{"name":"com.revclamp/revclamp-mcp","title":"RevClamp MCP Server","description":"Zero-take-rate Stripe 2025-03-31.basil, Visa CE 3.0 & EU/XI VIES VAT guardrails MCP server.","version":"1.20.11","remote_url":"https://revclamp.com/api/mcp","repo_url":"https://github.com/lhphong09t2/revclamp-mcp"},"operational_grade":{"grade":"A","score":99,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":448,"tool_count":9,"probed_at":"2026-10-29T20:01:50.560Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 448ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo revclamp-mcp@1.20.11"},{"criterion":"tooling","points":34,"max":35,"evidence":"tools/list OK: 9 tools e.g. \"revclamp_audit_revenue_leakage\"; 9/9 described, 8/9 fully-typed schemas, median description 735 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 448ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 1.20.11; namespace com.revclamp 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":"security","metric":"sensitive_capabilities_declared","status":"concern","value_text":"revclamp_verify_webhook_signature","evidence":"1 discovered tool(s) advertise potentially state-changing or privileged capabilities. Tool names: revclamp_verify_webhook_signature. Classification is description-based and does not prove exploitability.","source_type":"live_probe","sample_size":1,"observed_at":"2026-10-29T20:01:50.560Z","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":"2026-10-29T20:01:50.560Z","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."}