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io.github.p-l-ta/mail-mcp

by · github.com/p-l-ta/mail-mcp

Search, read, send, and manage email via macOS Mail.app across all configured accounts.

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Scored 5 months ago · breakdown

About io.github.p-l-ta/mail-mcp

io.github.p-l-ta/mail-mcp is an MCP server published by p-l-ta in the Search category: search, read, send, and manage email via macOS Mail.app across all configured accounts.

The repository has 1 stars and 0 forks, with the last commit 3 months ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

Claude Code
claude mcp add io-github-p-l-ta-mail-mcp -- npx -y @p-l-ta/mail-mcp
npx
npx -y @p-l-ta/mail-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (14)

bulk_mark_readMark all messages in a mailbox and/or from a sender as read

Parameters not published.

create_mailboxCreate a new mailbox/folder in an account

Parameters not published.

empty_mailboxDelete every message in a mailbox at once (Junk, Trash, etc.)

Parameters not published.

get_unsubscribe_linkExtract unsubscribe URLs from a message's headers and body

Parameters not published.

list_accounts_and_mailboxesList all configured accounts and mailboxes with unread counts

Parameters not published.

list_recentList recent messages in a specific mailbox

Parameters not published.

list_sendersGrouped summary of senders with message and unread counts

Parameters not published.

move_emailMove a message to a different mailbox

Parameters not published.

read_emailRead the full body of a message by its RFC message-id

Parameters not published.

reply_to_emailReply to an existing message by RFC message-id

Parameters not published.

Show all 14 tools
search_emailsSearch messages via the Envelope Index database with rich filters

Parameters not published.

send_emailSend a new email from one of the configured accounts

Parameters not published.

set_message_flagsSet read and/or flagged status on a message

Parameters not published.

trash_emailMove a message to Deleted Messages

Parameters not published.

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Security checks

  • ✓README presentThe repository ships documentation.

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README

mail-mcp

MCP server that gives Claude (and other MCP hosts) full access to Mail.app on macOS — search, read, send, reply, flag, move, and more — across every account configured in Mail.app (iCloud, Exchange, IMAP, etc.).

Prerequisites

  • macOS (Mail.app required)
  • Node.js 20+
  • An MCP host: Claude Desktop, Amazon Quick, or any stdio MCP client

Installation

Claude Desktop — one-click install (recommended)

  1. Download mail-mcp.mcpb from the latest release
  2. Double-click the .mcpb file — Claude Desktop installs it automatically
  3. Grant the required macOS permissions (see below)

Manual / Amazon Quick / other hosts

npx @p-l-ta/mail-mcp

Or install globally:

npm install -g @p-l-ta/mail-mcp
mail-mcp

Point your MCP host at the mail-mcp binary (stdio transport). Example config:

{
  "mcpServers": {
    "mail-app": {
      "command": "npx",
      "args": ["@p-l-ta/mail-mcp"]
    }
  }
}

Required macOS permissions

Grant these to the application that runs the MCP host (Claude Desktop, Amazon Quick, etc.):

Permission Where to grant
Full Disk Access System Settings → Privacy & Security → Full Disk Access
Automation → Mail System Settings → Privacy & Security → Automation

The MCP server process inherits permissions from the host application that launches it.

Tools

Tool Description
search_emails Search messages via the Envelope Index database with rich filters
read_email Read the full body of a message by its RFC message-id
list_accounts_and_mailboxes List all configured accounts and mailboxes with unread counts
list_recent List recent messages in a specific mailbox
list_senders Grouped summary of senders with message and unread counts
send_email Send a new email from one of the configured accounts
reply_to_email Reply to an existing message by RFC message-id
set_message_flags Set read and/or flagged status on a message
move_email Move a message to a different mailbox
trash_email Move a message to Deleted Messages
create_mailbox Create a new mailbox/folder in an account
bulk_mark_read Mark all messages in a mailbox and/or from a sender as read
get_unsubscribe_link Extract unsubscribe URLs from a message's headers and body
empty_mailbox Delete every message in a mailbox at once (Junk, Trash, etc.)

How it works

  • Search & read — queries Mail's own Envelope Index SQLite database directly for fast, structured results across all accounts
  • Actions (send, reply, flag, move, trash) — driven by AppleScript automation against Mail.app, so they work even for accounts where messages aren't stored as local files

Development

npm install
npm run dev          # tsx watch — live reload
npm test             # vitest unit tests
npm run build        # compile TypeScript → dist/
npm run mcpb         # build Claude Desktop extension → build/mail-mcp.mcpb

Interactive MCP testing:

npm run build
npx @modelcontextprotocol/inspector node dist/server.js

Privacy Policy

mail-mcp is a local MCP server that runs entirely on your Mac. It has no backend, no telemetry, and makes no network requests of its own.

What it accesses:

  • Mail.app's Envelope Index database (~/Library/Mail/) — read-only, used for search queries
  • Mail.app via AppleScript — to read message bodies, send mail, flag, move, and trash messages

What it does NOT do:

  • Collect, store, or transmit any data outside your Mac
  • Connect to any external server or API
  • Log message content anywhere

All email data stays on your device and is only passed to the MCP host (Claude Desktop or another client) as part of normal tool responses. You control exactly which tools Claude can invoke.

License

MIT

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About io.github.p-l-ta/mail-mcp

How do I install io.github.p-l-ta/mail-mcp?

Run claude mcp add io-github-p-l-ta-mail-mcp -- npx -y @p-l-ta/mail-mcp, then add the server to your MCP client's configuration.

Is io.github.p-l-ta/mail-mcp safe to use with an AI agent?

Its trust score is 37 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is io.github.p-l-ta/mail-mcp still maintained?

Yes — the last commit was 3 months ago. The repository has 1 stars and 0 forks.