Archon

The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.

by coleam00 · GitHub

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From the README

Install

git clone https://github.com/coleam00/Archon
cd Archon
bun install

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.

Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.

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📈 Star history

2026-06-282026-08-31

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📄 About

The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.

Archon has 23.3k stars on GitHub. It has been forked 3.5k times. Archon is written mainly in TypeScript. It has been in active development since 2025. Archon is available under the MIT license. Its main topics are ai, automation, bun, claude.

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