"Proton Mail" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
Shared inbox and customer support platform for teams. Manage email conversations, assignments, labels, internal notes, contacts, and replies. 29 tools. Connect with your Helpmonks access token.
Send PDFs as physical US mail from AI agents. Check prices, send First-Class or Certified Mail, track letters and retrieve electronic return receipts. Requires a user-supplied Bearer API key and prepaid funds for mailing.
Connect any email mailbox (Gmail, Outlook, IMAP/SMTP, OVH, LWS, Infomaniak...) to Claude, ChatGPT & any MCP client. Read, send, reply, schedule and search emails. No code, OAuth2, EU-hosted (GDPR). 15 email tools.
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).
- hailOAuthso.hail.mcp
Phone, SMS & email for AI agents. One remote MCP server (Streamable HTTP, OAuth or API-key auth, no local install) exposing call, sms, email, and event tools; also usable via CLI, Python SDK, and OpenAPI. Self-hostable, AGPLv3.
Gives an AI agent its own email address: create mailboxes, send and reply, read the inbox, and block until a reply arrives. Includes a draft lifecycle so a human can approve outbound mail before it sends.
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/
DB Rail MCP — German + European rail and public transport, keyless.
could-have-been-email MCP — wraps StupidAPIs (keyless — no credential needed)
Give an agent its own inbox: send, receive, and pull signup codes from real email.
A Remote MCP Server that checks every email before your agent acts on it. Connect via MCP protocol, pay per use with Skyfire.
send-that-email MCP — wraps StupidAPIs (keyless — no credential needed)
Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.
UK shipping labels for AI agents: buy Royal Mail Tracked and more, track and refund via Shippo.
Invite someone to a calendar event by phone number and get their real email back when they accept.
Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.
