Source: https://seerepo.com/written-with/codex
Markdown source: https://seerepo.com/written-with/codex.md
Description: 10 public repos that SeeRepo read have 20 or more commits signed by Codex; across them, it signed 2.7% of their 149,059 commits.

# Open source repos written with Codex

10 public repos that SeeRepo read have 20 or more commits signed by Codex; across them, it signed 2.7% of their 149,059 commits.

## The stacks it's used with

- [React](https://seerepo.com/uses/react): 8 repos
- [Next.js](https://seerepo.com/uses/nextjs): 4 repos
- [Postgres](https://seerepo.com/uses/postgres): 4 repos
- [Vite](https://seerepo.com/uses/vite): 4 repos
- [FastAPI](https://seerepo.com/uses/fastapi): 3 repos
- [MCP](https://seerepo.com/uses/mcp): 3 repos
- [OpenAI](https://seerepo.com/uses/openai): 3 repos
- [PostHog](https://seerepo.com/uses/posthog): 3 repos

## The repos, by how much of each it signed

1. [HKUDS/DeepTutor](https://seerepo.com/r/HKUDS/DeepTutor/ai): 15.7% of 2,305 commits · Python
2. [deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness/ai): 12.2% of 15,334 commits · TypeScript
3. [vllm-project/vllm](https://seerepo.com/r/vllm-project/vllm/ai): 3.3% of 24,070 commits · Python
4. [debpalash/VoiceStudio](https://seerepo.com/r/debpalash/VoiceStudio/ai): 3.1% of 4,408 commits · Python
5. [multica-ai/multica](https://seerepo.com/r/multica-ai/multica/ai): 1.3% of 5,228 commits · Go
6. [router-for-me/CLIProxyAPI](https://seerepo.com/r/router-for-me/CLIProxyAPI/ai): 1.3% of 3,766 commits · Go
7. [TryGhost/Ghost](https://seerepo.com/r/TryGhost/Ghost/ai): 1% of 51,560 commits · TypeScript
8. [code-yeongyu/oh-my-openagent](https://seerepo.com/r/code-yeongyu/oh-my-openagent/ai): 0.9% of 18,888 commits · TypeScript
9. [langgenius/dify](https://seerepo.com/r/langgenius/dify/ai): 0.5% of 14,547 commits · Python
10. [ruvnet/ruflo](https://seerepo.com/r/ruvnet/ruflo/ai): 0.3% of 8,953 commits · TypeScript

## Frequently asked questions

### Which open source repo has the most commits signed by Codex?

deepseek-ai/deepseek-harness: 1,868 of its 15,334 commits.

The proof: [the commits each tool signed in deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness/ai)

### In which repo did Codex sign the biggest part of its commits?

HKUDS/DeepTutor: 15.7% of its 2,305 commits.

The proof: [the commits each tool signed in HKUDS/DeepTutor](https://seerepo.com/r/HKUDS/DeepTutor/ai)

### What stacks is Codex used with?

With React (8), Next.js (4), Postgres (4), Vite (4), and FastAPI (3), out of the 10 repos.

The proof: [the repos that use React](https://seerepo.com/uses/react)

### What languages are the repos Codex signs in written in?

Python (4), TypeScript (4), and Go (2).

## Who makes it

Codex is made by OpenAI. https://openai.com/codex

## How we know

Each repo counts when Codex signed 20 or more of its commits: its signature in the commit (a Co-Authored-By line, its author name or the merge of its branch). Each repo leads to its page with the commits it signed.

Every AI tool SeeRepo recognizes: https://seerepo.com/agents

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.