mu-mcp
Query your local `mu` mail index for fast, structured mail search from MCP clients.
mu-mcp: MCP Server for the mu Mail Indexer
A Model Context Protocol (MCP) server for querying your local mu mail index. This server enables fast, structured mail search from Claude Desktop and other MCP clients.
Features
- Stdio MCP server for easy integration
- Three tools: query, view emails and open attachments (using default OS viewer).
- Fast, flexible mail search using the
muindex - Claude Desktop ready: simple installation and config
- Python, pixi, and MCP SDK based
Installation
Clone this repository and install dependencies:
git clone https://github.com/danielfleischer/mu-mcp.git
cd mu-mcp
pixi install
Usage
Run the MCP Server
With pixi:
pixi run start
Or directly with Python:
python mu_mcp/mu_mcp.py
Claude Desktop Integration
Add to your claude_desktop_config.json:
"mcpServers": {
"mu_mcp": {
"command": "pixi",
"args": [
"run",
"--manifest-path",
"PROJECT_PATH",
"start"
]
}
}
Query
Ask Claude to find emails, e.g. "Find emails with a PDF attachment that were sent last April and open the PDF", "Show me the email I received from Alice last week", or "Find emails with the subject 'Meeting Notes'".
Development
- Adding a tool to view an email.
- Adding a tool to find and download attachments.
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