"Proton Mail" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.
Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.
Machine-readable taxonomy of 100+ AI system failure modes spanning factuality, alignment, planning, code generation, and instruction following.
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools covering mailboxes, mails, attachments, domains, teams, and mock identities.
Regex matching, email/URL format validation, and JSON Schema validation.
Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).
MCP server for e-mail testing: create disposable inboxes, wait for delivery, and extract e-mail content or links - all from your AI agent or test automation workflow. Get a free API key on https://app.zyntra.app/
- fixture.email — Email Testing for AgentsOAuth unavailableemail.fixture
Disposable test mailboxes on a real domain: send, receive and assert on real email.
Disposable email inboxes for AI agents — read messages and verification codes.