Archon
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
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About
Archon is a workflow engine for AI coding agents. Define your development processes as YAML workflows - planning, implementation, validation, code review, PR creation - and run them reliably across all your projects.
Like what Dockerfiles did for infrastructure and GitHub Actions did for CI/CD - Archon does for AI coding workflows. Think n8n, but for software development.
Key features:
- Repeatable: Same workflow, same sequence, every time. Plan, implement, validate, review, PR.
- Isolated: Every workflow run gets its own git worktree. Run 5 fixes in parallel with no conflicts.
- Fire and forget: Kick off a workflow, go do other work. Come back to a finished PR with review comments.
- Composable: Mix deterministic nodes (bash scripts, tests, git ops) with AI nodes (planning, code generation, review). The AI only runs where it adds value.
- Portable: Define workflows once in .archon/workflows/, commit them to your repo. They work the same from CLI, Web UI, Slack, Telegram, or GitHub.
Install via curl: curl -fsSL https://archon.diy/install | bash Or via Homebrew: brew install coleam00/archon/archon Or clone the repo and run bun install.
Includes a web dashboard for chatting with your coding agent, running workflows, and monitoring activity.
Don't lose this
Three weeks from now, you'll want Archon again. Will you remember where to find it?
Save it to your library and the next time you need Archon, it’s one tap away — from any AI app you use. Group it into a bench with the rest of the team for that kind of task and you can pull the whole stack at once.
⚡ Pro tip for geeks: add a-gnt 🤵🏻♂️ as a custom connector in Claude or a custom GPT in ChatGPT — one click and your library is right there in the chat. Or, if you’re in an editor, install the a-gnt MCP server and say “use my [bench name]” in Claude Code, Cursor, VS Code, or Windsurf.
a-gnt's Take
Our honest review
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable. Best for anyone looking to make their AI assistant more capable in automation. It's completely free. This one just landed in the catalog — worth trying while it's fresh.
Tips for getting started
Tap "Get" above, pick your AI app, and follow the steps. Most installs take under 30 seconds.
What's New
Imported from GitHub
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