Letterbox

io.github.dovahkiin-v/letterboxVersion 1.2.2

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

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Registry data as of: Nov 14, 2026, 22:14 UTC

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Connect

Streamable HTTP

pypi: letterbox 1.2.2

Package only

PyPI (uvx)

claude mcp add letterbox -e 'LETTERBOX_CHANNEL=<YOUR_LETTERBOX_CHANNEL>' -e 'LETTERBOX_SENDER=<YOUR_LETTERBOX_SENDER>' -e 'LETTERBOX_INSTANCE_ID=<YOUR_LETTERBOX_INSTANCE_ID>' -- uvx letterbox==1.2.2

Replace <YOUR_LETTERBOX_CHANNEL>, <YOUR_LETTERBOX_SENDER>, <YOUR_LETTERBOX_INSTANCE_ID> before running.

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Tools

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Details

Registry status: Active
Published: Aug 24, 2026
Updated: Aug 24, 2026
Website: Not given
Repository: https://github.com/dovahkiin-v/letterbox⁠ (opens in a new tab)
Categories (suggested): AI modelsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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