You can download llms.txt and save it as AGENTS.md in the project root. If you already have an AGENTS.md, append the contents of llms.txt to it. Alternatively, you can also pass the contents of llms.txt interactively to Codex.
Claude Code
You can download llms.txt and save it as CLAUDE.md in the project root. If you already have a CLAUDE.md, append the contents of llms.txt to it. Alternatively, you can also pass the contents of llms.txt interactively to Claude.
ChatGPT / Gemini / Claude
When using AI such as ChatGPT, download llms.txt and provide it to the AI.