{"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":"2026-10-19T14:21:07.131Z","server":{"name":"dev.workers.microtools-x402.x402-email-verifier/email-verifier","title":"x402 Email Verifier","description":"Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.","version":"0.1.1","remote_url":"https://x402-email-verifier.microtools-x402.workers.dev/mcp","repo_url":"https://github.com/shaimaiiee-design/x402-email-verifier"},"operational_grade":{"grade":"A","score":97,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":1343,"tool_count":2,"probed_at":"2026-10-18T05:01:27.707Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 1343ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo x402-email-verifier@0.1.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 2 tools e.g. \"email_verify\"; 2/2 described, 2/2 fully-typed schemas, median description 148 chars"},{"criterion":"latency","points":7,"max":10,"evidence":"initialize round-trip 1343ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 0.1.1; namespace dev.workers.microtools-x402.x402-email-verifier 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":"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":"2026-10-18T05:01:27.707Z","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."}