MCP.Market

mailmcp MCP server

online · 100% uptime
by mailmcp.ai·ai.mailmcp/mailmcp·v0.14.2
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Your mailboxes in ChatGPT and Claude: Gmail, iCloud, Fastmail, any IMAP. Passwords stay yours.

A97/100grade A
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Safety scan
A97/100

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Adoption
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How mailmcp compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
97/100
higher than 95% of 916 Email servers
Uptime
100%
of our recent checks; the typical remote Email server answers 100%
Response time
78 ms
faster than 90% of 609 Email servers

Release history: 13 versions in the registry since 2026-09-16, latest 2026-10-31, typically one every 3 days.

Install mailmcp in Claude Code, Cursor or VS Code

claude mcp add --transport http mailmcp https://mailmcp.ai/mcp
Add to Cursor

What the publisher says

From the mailmcp repository's README, as published. We do not edit it. Read it on GitHub

mailmcp

All your mailboxes in ChatGPT and Claude. Passwords stay yours.

mailmcp is a self-hosted MCP server that gives ChatGPT, Claude and other MCP clients access to your e-mail over IMAP and SMTP: several mailboxes at once, any provider, attachments in both directions. This repository is the prebuilt distribution (minified bundles in dist/, no build step) under a commercial licence; it runs as a free tier without a key, and the source code is available to customers on request.

Ask "What came in from accounting this week?" and get one answer across Gmail, iCloud and the company mail server: the invoice as a download link, a reply already drafted.

When to use it

Use mailmcp when you have more than one mailbox, a provider without an official connector, or you need attachments. As of September 2026 the official Gmail and Outlook connectors in ChatGPT and Claude handle one mailbox each and cannot send attachments.

Quickstart

Requirements. Node 22 (or Vercel, or Docker), an HTTPS address (ChatGPT and Claude only connect over HTTPS), and an app password for each mailbox. Gmail: turn on 2-Step Verification first, otherwise Google hides the app-passwords page (organisation policies or Advanced Protection can hide it too). Microsoft 365 / Exchange Online and Outlook.com do not work yet: Microsoft does not allow password sign-in over IMAP (OAuth planned).

  1. Deploy. Click the Vercel button above; it asks for MAILMCPKEY (32 random bytes as base64url, node -e "console.log(require('crypto').randomBytes(32).toString('base64url'))") and MAILMCPLICENSE (your key, or empty for the free tier). Or run it yourself:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

mailmcp: common questions

Is mailmcp MCP server safe?
Yes, by our scan: it is graded A (97/100). Read the mailmcp safety report
How do I install mailmcp?
It runs remotely at mailmcp.ai. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does mailmcp need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is mailmcp maintained?
The last commit was 36 days ago (2026-09-29). The latest release is v0.14.2.
Is mailmcp up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of mailmcp?
Servers from other publishers that do the same job: Email MCP server, Fluxmail MCP server and owlpost MCP server.
How does mailmcp compare with other Email MCP servers?
safety score 97/100 (higher than 95% of 916 Email servers); uptime 100% (of our recent checks; the typical remote Email server answers 100%); response time 78 ms (faster than 90% of 609 Email servers). Full comparison.

Alternatives to mailmcp

Same job from other publishers: the closest match first, then the best rated.

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  • Mailoo - Email MCP Server
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  • MCPEmails
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