#218218th of 324 in Skills, plugins and prompts
agmsg
Lets CLI coding agents message each other through a shared SQLite file
- Stars
- 1.6k
- License
- MIT
- Last commit
- Oct 2026
- Last release
- Oct 2026
- Language
- Shell
1 on 3 Apr 20261,574 on 30 Oct 2026
From GitHub's daily star counts.
Checked on GitHub.
Overview
agmsg is a Bash skill that lets Claude Code, Codex, Gemini CLI, Copilot CLI, Antigravity, OpenCode and other CLI agents send messages to each other through a local WAL-mode SQLite database. It installs as a slash command or `$` command and adds role switching (`actas`), spawning peer agents in tmux or OS terminals, and several delivery modes. It is not MCP and needs no broker; an optional Node-based daemon (agmsgd, beta) exists.
Who it is for: Developers running several CLI coding agents who want them to coordinate
Strengths
- Runs on bash and sqlite3 only; no MCP server, broker or network required
- Works across Claude Code, Codex, Gemini CLI, Copilot CLI, Antigravity and OpenCode
- Message history persists in SQLite and can be replayed into a new agent
- Installs via npx, curl script, git clone or Claude Code plugin marketplace
Weaknesses
- Windows requires Git Bash; no PowerShell implementation, and bare bash may hit WSL
- npm package and plugin can lag main by a few fixes
- agmsgd daemon is beta and needs Node >= 22.13.0
- Codex without monitor or daemon only checks its inbox on its next turn
What it needs
- no GPU
- Needs bash, sqlite3, Node >= 22.13.0 (optional, agmsgd), tmux (optional, spawn)
- Models: Claude Code, Codex, Gemini CLI, GitHub Copilot CLI, Antigravity
Quick answers
Is agmsg open source?
Yes. Its code is on GitHub under the MIT license.
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