I kept copy-pasting code between ChatGPT's web UI and my editor, so I built WTAgent — a free, open-source (MIT) CLI that turns your ChatGPT Web account (including Pro) into a Codex-style local coding agent, and your Claude Web into a Claude Code-style agent.
How it works
WTAgent runs in your terminal, drives a dedicated Chrome profile where you're signed into your web AI, and closes the loop locally:
- Reads your project files
- Plans changes and edits files
- Runs commands/tests and verifies results
No model API key, no MCP server, no tunnel — it uses the web subscription you already pay for.
Multi-provider
wtagent --model claude (or deepseek / gemini / grok / kimi / glm) switches the web AI driving the loop.
Install
npm i -g wtagent
wtagent
Works on macOS, Linux and Windows (WSL2). Node 20.17+ and Chrome/Chromium required.
Links
- Site: https://xixian42.github.io/wtagent
- GitHub: https://github.com/XiXian42/wtagent
- npm: https://www.npmjs.com/package/wtagent
Independent CLI, not an official Codex or Claude Code client. Your code/outputs sent to the chat go to the provider, so follow their terms; local policy checks aren't a sandbox.
Feedback welcome — especially first-run issues!
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