Open source repo

What's inside coleam00/Archon

coleam00/Archon is a TypeScript repo with 666,863 lines written in 1,890 files. Archon is built with Hono, Vite, React, and React Router and uses Postgres, GitHub, PostHog, and Anthropic. AI signed 12.7% of the 3,643 commits of Archon.

Its description on GitHub: “The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.”

TypeScriptMIT23,825

Read on November 4, 2026, at commit 0d8de49.

What the card proved: what it’s built with on the left, what it uses on the right.

See each one with its proof

More on this repo

In figures

lines written
666,863
The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
files
1,890
The product’s, not counting tests.
test files
1,069
The files that test the code.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

Frequently asked questions

What is coleam00/Archon?
coleam00/Archon is a TypeScript repo with 666,863 lines written in 1,890 files. Its description on GitHub: “The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.”

The proof: its page on GitHub

What is Archon built with?
Archon is built with Hono, Vite, React, and React Router and uses Postgres, GitHub, PostHog, and Anthropic.

The proof: each service with its file and line

How much of Archon did AI write?
AI signed 12.7% of the 3,643 commits of Archon.

The proof: the commits each tool signed

What license does Archon have?
Archon is released under the MIT license.

The proof: its page on GitHub

How many stars does Archon have on GitHub?
Archon had 23,825 stars on GitHub on November 4, 2026.

The proof: its page on GitHub

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