dead-letter

Convert .eml and .mbox email to clean Markdown for RAG, LLM pipelines, and local knowledge bases

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Stars over time

Install

Run it directly:

uvx dead-letter
docker run -i --rm ghcr.io/bigcactuslabs/dead-letter@sha256:ed4b3665a6d76362d9a1835fe6511c7906524acde3484331fa62998af6e1f30c

Or add it to your client config (Claude Desktop claude_desktop_config.json, Cursor .cursor/mcp.json):

{
  "mcpServers": {
    "dead-letter": {
      "command": "uvx",
      "args": [
        "dead-letter"
      ]
    }
  }
}

Generated from the package metadata in the official MCP Registry. MCP Morning does not run or test servers; check required environment variables in the project README.

Alternatives