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MCP MCP server · io.github.arose26

io.github.arose26/mbox-mcp

Search local email archives (.mbox/.eml) entirely on your machine. No OAuth, no cloud.

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npmlocalstdio

mbox-mcp is an MCP server that lets you search local email archives (.mbox and .eml files) entirely on your machine, with no OAuth or cloud involved. It exposes three tools — open_archive, search_messages, and get_message — over stdio, and is designed to lazily read the minimum needed to handle multi-gigabyte exports like Google Takeout mboxes with 100k+ messages.

Use it when you want to ask an MCP-capable assistant questions about large local email archives without uploading anything or setting up account access.

Use it to

  • Open a Google Takeout mbox export for searching
  • Search an mbox or .eml archive for messages matching a query
  • Retrieve a full message by reference
  • Attach a local email archive to Claude Desktop via stdio

For People with local mbox/eml archives wanting assistant search

Runs
installed — on your machine
Transport
stdio
Tools
3
Packaged as
npm:mbox-mcp
Install
npx -y mbox-mcp
Version
0.1.1
Last release
2026-08-14
topicsemailmcpmboxlocal-searcharchivesstdio