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Letterbox

io.github.dovahkiin-v/letterbox v1.2.2

Official Registry git

Repository

File-based comms protocol for AI-to-AI dialogue between terminal agents.

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Install connect locally via stdio

Run in your terminal

claude mcp add letterbox -- uvx letterbox

Add to claude_desktop_config.json

{
  "mcpServers": {
    "letterbox": {
      "command": "uvx",
      "args": [
        "letterbox"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "letterbox": {
      "command": "uvx",
      "args": [
        "letterbox"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "letterbox": {
      "command": "uvx",
      "args": [
        "letterbox"
      ]
    }
  }
}

Add to .vscode/mcp.json

{
  "servers": {
    "letterbox": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "letterbox"
      ]
    }
  }
}

Add to cline_mcp_settings.json

{
  "mcpServers": {
    "letterbox": {
      "command": "uvx",
      "args": [
        "letterbox"
      ]
    }
  }
}

Packages

pypi letterbox@1.2.2

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