👩💻Codex
Lightweight coding agent that runs in your terminal
⭐ Hugely popular: 106k stars, gaining about 2k a week
View on GitHub ↗repo profile
momentum
durability
bus factor = how many people it takes to cover more than half the commits (6 months). 1 is a solo project; higher means the work is spread across a team. top-author share is the single busiest author's slice of those commits.
since we covered it
why it's a big deal
- Local Execution: Runs entirely in your terminal, keeping your codebase secure and private.
- Multimodal Inputs: Accepts text, screenshots, or diagrams to generate or edit code accordingly.
- Flexible Approval Modes: Offers distinct modes to control the level of automation in code generation.
under the hood
- Powered by Codex-1: Utilizes a version of OpenAI’s o3 model optimized for software engineering tasks.
- Sandboxed Environments: Each task runs in an isolated environment preloaded with your repository.
- Extensible Architecture: Designed for integration and customization to fit various development workflows.
our take from PR#9, 2025-05-28
star history
- PR#9 27 2025-05-28
- now 106k + 106k since first covered
curve is sampled from GitHub's star history, plus our own daily readings since we covered it; the dashed stretch is before we first covered it, the solid line since. figures at coverage are the numbers we printed then (approx.), current count is live.
understory
Quietly building: more output than attention, for now.
- output, commits & releases
- clout, star velocity
output = commits & releases; clout = star velocity, both 0 to 100 monthly indices; the gap where output runs above clout is the understory. The understory →
covered in
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Terminal-Based AI Coding Agent
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