👑

MCP QUEEN

eu.checkmails/checkmails D provisional — auth-gated, tooling unverifiable

Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.

Communicationv1.0.0streamable-httpcheckmails.eu

Grade evidence — probed 2026-07-13 11:15 UTC

CriterionPointsObserved
reachability18 / 25HTTP 401 in 948ms — auth required; WWW-Authenticate present: "Bearer"
protocol0 / 15handshake not reachable behind auth — unverified
tooling0 / 0auth-gated — tooling unverifiable, excluded from score (grade marked provisional)
latency7 / 10initialize round-trip 948ms
provenance12 / 15description present; no repository URL; version 1.0.0; namespace eu.checkmails matches endpoint/repo

Score 57/100 · latency 948ms · — tools · auth: auth-wellbehaved

Own this server? Embed your grade badge

Live badge, re-probed continuously — put it in your README:

MCP Queen grade badge for eu.checkmails/checkmails

[![MCP Queen grade](https://mcpqueen.com/badge/eu.checkmails/checkmails.svg)](https://mcpqueen.com/s/eu.checkmails/checkmails)

Think the grade is wrong? Fix the finding the evidence shows, then the next probe cycle picks it up automatically (full cycle ≈ 3 days) — or open a dispute via the MCP endpoint.

Queen Watch

Email alerts when the grade changes or the endpoint stops answering. Double-opt-in, one-click unwatch, free while in beta.

Probe history

When (UTC)GradeScoreLatency
2026-07-13 11:15D57948ms

← Back to the graded registry