"Proton Mail" matching MCP connectors:
Matching Connector Tools:
Invite someone to a calendar event by phone number and get their real email back when they accept.
Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.
Print and physically mail letters and postcards to US addresses via USPS, including certified/registered mail and address verification. Paid per call in USDC on Base via the x402 protocol, no signup.
Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.
send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
could-have-been-email MCP — wraps StupidAPIs (requires X-API-Key)
A MCP server for Gmail that lets you search, read, and draft emails and replies.
PhoboMail gives AI agents their own @phobomail.com email address with zero human involvement. Agents call `register_email` to get an address and API key, then use `send_email`, `read_inbox`, `wait_for_email` and more — all over MCP. Ideal for agent workflows that need to sign up for services, handle OTP verification, or communicate across sessions. Hosted on Cloudflare.
Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
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.
Email inbox API for AI agents: read, search, draft, send, and triage mail over Streamable HTTP.
AI email inbox and sending tools with attachments, search, live events, and webhooks.
The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.
Stateful email for AI agents — read inboxes, reply in-thread, draft with approval.
Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.
Email for AI agents — send, receive as a webhook, manage domains, templates, routing.
Turn inbound email into a webhook — verify, parse, route, and store incoming messages.
Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.