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Connect Codex

Add LazyFrog to OpenAI's Codex on the command line with two commands and one sign-in, then ask Codex to build, preview and publish your app.

Codex is OpenAI's coding agent for the command line. Signing in to Codex works with a free ChatGPT account, with limited usage. No LazyFrog account yet? Start free.

Add LazyFrog to Codex

Run this in a terminal:

codex mcp add lazyfrog --url https://mcp.lazyfrog.dev/mcp

Sign in

Run this, and a browser opens:

codex mcp login lazyfrog

Sign in with your LazyFrog email and password, then allow Codex to work on your projects.

Use it

Start Codex and ask for an app. Codex asks before it uses each LazyFrog tool, so choose to approve when asked.

Signing in from another machine

If you run Codex on one machine (over SSH, say) and sign in from the browser on another, the browser sends the sign-in back to 127.0.0.1, which is the machine you are sitting at, so it never reaches Codex. Either:

  • forward Codex's sign-in port to your machine with SSH (ssh -L PORT:127.0.0.1:PORT your-server, using the port in the address your browser ends on), or
  • copy the full address the browser ends on (it starts with http://127.0.0.1) and open it on the machine running Codex, for example with curl.

Good to know

  • Approvals. Codex asks before each tool unless you have set its approval settings. Choose to approve when asked.
  • Running Codex without a person at the keyboard (codex exec): set its approval settings so LazyFrog's tools can run. Otherwise Codex refuses the ones that change things.
  • Your AI, your plan. LazyFrog never charges for Codex's work, and your plan's usage limits apply as usual.
  • Taking access away. In the portal, Connected AIs lists every AI with access. Disconnect one and its access ends within half a minute.

Using another AI? Connect your AI has the steps for each one.

For your AI: this page as Markdown · llms.txt