# Bigcactuslabs Dead Letter MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.bigcactuslabs%2Fdead-letter
Registry id: `mcp-registry/io.github.bigcactuslabs/dead-letter`
Status: unknown

## Install

```json
{
  "mcpServers": {
    "bigcactuslabs-dead-letter-mcp-server": {
      "command": "uvx",
      "args": [
        "dead-letter"
      ]
    }
  }
}
```

Claude Code:

```sh
claude mcp add bigcactuslabs-dead-letter-mcp-server -- uvx dead-letter
```

## Tools (5)

- `convert_directory`: Convert up to 50 .eml files in a directory to Markdown.
- `convert_eml`: Convert a single .eml file to Markdown with YAML front matter.
- `convert_eml_to_bundle`: Convert .eml to a bundle with markdown and attachments.
- `convert_mbox`: Convert an mbox file to Markdown (max 256 MiB, 1000 messages).
- `get_diagnostics`: Get quality and structure diagnostics for a .eml file.

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.