Individual skill
msg
Inter-agent communication via the msg CLI. Use this when you need to send messages to other agent sessions, read incoming messages, or coordinate with other agents in tmux panes.
plugins/msg/skills/msg/SKILL.md
Source commit 9a5216b4b94bffa3e590d9c815c147d1be5ee12e
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- Observed behavior
- Instructions only
- Last checked
- Nov 9, 2026
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- Repository last updated
- Nov 6, 2026
- License
- MIT
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- claude-code Repository topic
- cli Repository topic
- cli-agent Repository topic
- llm Repository topic
- tmux Repository topic
- code-agent Repository topic
- codex Repository topic
- codex-cli Repository topic
- context Repository topic
- engineering Derived category
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# msg: Inter-Agent Communication
You can communicate with other coding agent sessions
(Claude Code or Codex CLI) using the `msg` CLI tool.
## Registration
Before sending or receiving messages, register yourself:
```bash
msg register <your-name>
```
This auto-detects your tmux pane. You only need to do