No signal event on file yet — status is unknown, not "quiet".
- first observed Kanon started keeping permanent history for this agent
| Machine-callable | — | unknown | — |
| Open source | 1 | verified | 1 quote(s) |
| Self-hostable | 1 | inferred | 1 quote(s) |
| Bring your own key | — | unknown | — |
| Autonomy level | 2 | inferred | 1 quote(s) |
| Pricing model | — | unknown | — |
| Integrations | claude,github,gemini,copilot | inferred | 2 quote(s) |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
It breaks down vendor lock-in by allowing AI agents from different providers to interoperate seamlessly, creating a composable, extensible programming environment.
Evidence quotesverbatim, from the product’s own materials
“public GitHub repository (README fetched)”— structural
“Requires: bash and sqlite3. macOS ships both.”— readme
“message each other directly through a shared local SQLite database”— readme
“Claude Code, Codex, Gemini & Copilot”— description
“GitHub Copilot CLI”— readme
“Cross-agent messaging for CLI AI agents. No daemon, no network, no complexity.”— readme
FAQ
What is agmsg?
A lightweight command-line tool that lets AI coding assistants from different vendors work together in a single workflow using only Bash and SQLite.
What does agmsg do?
Enable cross-vendor AI coding assistants to collaborate on code generation, debugging, and refactoring tasks without switching tools or manually combining results.
Why does agmsg matter?
It breaks down vendor lock-in by allowing AI agents from different providers to interoperate seamlessly, creating a composable, extensible programming environment.
How much does agmsg cost?
Free
Is agmsg free?
Yes — agmsg has a free tier. Pricing as stated on its own page: Free
Is agmsg open source?
Yes — agmsg is open source.
Can I self-host agmsg?
Yes — agmsg can be self-hosted.
What does agmsg integrate with?
claude,github,gemini,copilot
How popular is agmsg?
As tracked by KanonAgent: 1.6k upvotes (first indexed 2026-07-27).
What are the best agmsg alternatives?
Similar AI agents tracked by KanonAgent: Stealth Venture, taste-skill, archify, open-design, deer-flow, ruflo.