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Open-Agent-Tools/Postcard

Asynchronous 1-to-1 postcard messaging between local AI agent sessions via a Git-backed ledger. Ships as a Python CLI and a Claude Code plugin.

Open on GitHub
2Stars on the repository
16Mods indexed here, across every type
22d agoLast push, which is what freshness is scored on
MITLicence, which decides whether bodies are shown
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SessionStart

01

Open-Agent-Tools/Postcard

Hook

Runs when a session starts, executing session-start.sh. From Open-Agent-Tools/Postcard.

2 22d ago A tokens not measured copy · 59% MIT

SessionEnd

02

Open-Agent-Tools/Postcard

Hook

Runs when a session ends, executing session-end.sh. From Open-Agent-Tools/Postcard.

2 22d ago A tokens not measured copy · 55% MIT

Stop

03

Open-Agent-Tools/Postcard

Hook

Runs when the agent finishes a response, executing clerk-hook.sh. From Open-Agent-Tools/Postcard.

2 22d ago A tokens not measured copy · 66% MIT

UserPromptSubmit

04

Open-Agent-Tools/Postcard

Hook

Runs when you submit a prompt, before the agent sees it, executing user-prompt-hook.sh. From Open-Agent-Tools/Postcard.

2 22d ago A tokens not measured copy · 64% MIT