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codex

Lightweight coding agent that runs in your terminal

GitHub
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9,198commits
561contributors
15languages

Tech stack & purpose

Codex is a lightweight coding agent that runs in your terminal. The project is built in Rust, organized as a Cargo workspace with crates prefixed with `codex-` (such as `codex-core`, `codex-tui`, and `codex-mcp`), and uses Bazel for build management alongside Cargo. The codebase emphasizes modular architecture, comprehensive testing through integration tests and snapshot tests via `insta`, and strict code quality standards including linting with Clippy and careful management of context sent to language models.

Community & reference links

Languages

Rust
96.1%
Python
3.1%
Starlark
0.2%
TypeScript
0.2%
Shell
0.1%
PowerShell
0.1%
JavaScript
0.1%
HTML
0.1%
Jupyter Notebook
0.0%
CSS
0.0%
Smarty
0.0%
Just
0.0%
Nix
0.0%
Dockerfile
0.0%
C
0.0%

Contributors (top 30 of 561)