Reported by sourceNew
Let a coding agent run overnight ML training experiments
Point a coding agent at autoresearch so it edits a small GPT training script, runs short timed experiments and keeps what improves.
openai/
Lightweight coding agent that runs in your terminal
What it does
Lightweight coding agent that runs in your terminal
Summary based on the GitHub description (opens in a new tab)
What the README covers
- Quickstart
- Installing and running Codex CLI
- Using Codex with your ChatGPT plan
- Docs
Getting started
Excerpt from the README · Checked 15 Oct 2026
# Install using npm
npm install -g @openai/codexShown exactly as published. Top 200 Repos has not run or tested it. View in README (opens in a new tab)
Ranking trend
Global rank in each recorded snapshot. A lower number is a higher rank.
From #84 to #83 across 2 snapshots since 15 Oct 2026.
What people build with it
Reported by sourceNew
Port a Python library to JavaScript with a coding agent
Simon Willison had Codex CLI translate the JustHTML parser into a dependency-free JavaScript library, steering it with about eight prompts over one afternoon.
Reported by sourceNew
Prepare a tax return with an agent and compare it to an accountant
Kyle Corbitt worked through his 2025 US taxes with Codex, which researched rules, gathered documents and wrote a custom tax engine while a paid accountant did the same return.
Reported by sourceNew
Answer technical questions by letting async agents run experiments
Simon Willison sends research questions to cloud coding agents such as Claude Code for web and Codex Cloud, which write and run experiments in a dedicated repo and open a PR.
Video Guides
Videos that cover this exact repository, matched with evidence. Watching opens YouTube, which applies its own privacy terms.
Meet the New Codex CLI (opens in a new tab)
Published by the project’s official channel.
Why this matches
- Title and channel confirmed through YouTube.
- Published by the project’s official channel.
Checked 12 Nov 2026
Independent creators. Listing a video implies no endorsement, sponsorship or partnership.