A Model Context Protocol (MCP) server for mail-utils (mu) email indexing and search tool.
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# mu-mcp: MCP Server for the `mu` Mail Indexer [](https://pypi.org/project/mu-mcp/) [](https://github.com/danielfleischer/mu-mcp/blob/master/pyproject.toml) [](https://github.com/danielfleischer/mu-mcp/releases) [](https://modelcontextprotocol.io) [](https://github.com/danielfleischer/mu-mcp/blob/master/LICENSE) A Model Context Protocol (MCP) server for querying your local [`mu`](https://github.com/djcb/mu) mail index. This server enables fast, structured mail search from Claude Desktop and other MCP clients. <img src="assets/claude-screenshot.png" width="500"/> ## Features - **Stdio MCP server** for easy integration - **Tools:** `search_emails`, `view_emails` (HTML-only emails converted to text), `view_thread` (reads a conversation from one message), `find_contacts` (resolves names to email addresses), `list_attachments`, `open_attachment` (saves to a temp dir and optionally opens with the default OS viewer), and `mu_help` for the full `mu` reference on demand. - **Small context footprint:** a short query guide lives in the tool description; the full man pages are only loaded when the model asks for them. - **Fast, flexible mail search** using the `mu` index - **Claude Desktop ready**: simple installation and config - **Python, uv, and MCP SDK** based ## Installation Requires [`mu`](https://github.com/djcb/mu) installed and your mail indexed (`mu init` + `mu index`). With [uv](https://github.com/astral-sh/uv) installed, run the published package from PyPI without cloning the repository: …
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