codexlisted

# Codex CLI Configuration OpenAI Codex CLI uses `.codex/config.toml` for project-specific configuration. ## Project Config The project config is at `.codex/config.toml` in the repo root. It defines: - Model selection (`model`) - Approval policy (`approval_policy`) - Sandbox settings (`[sandbox]`) - MCP servers (`[mcp_servers]`) ## Quick Setup **Verify Codex CLI is installed:** ```bash which codex ``` **Create project config** (already exists at `.codex/config.toml`): ```bash cat .codex/config.toml ``` **Test Codex with the project:** ```bash codex "List the files in the apps directory" ``` ## Config Structure ```toml #:schema https://developers.openai.com/codex/config-schema.json # Model configuration model = "gpt-4.1" # Approval policy: suggest, auto-edit, full-auto, or manual approval_policy = "suggest" # Context file for project understanding model_instructions_file = "AGENTS.md" # Sandbox settings [sandbox] enable = true workspace_write = "read-only" ``` ## Key Settings | Setting | Purpose | Default | | ------------------------- | ----------------------------- | ----------- | | `model` | Model to use | `gpt-4.1` | | `approval_policy` | How code changes are approved | `suggest` | | `model_instructions_file` | File with project context | `AGENTS.md` | | `sandbox.enable` | Enable sandboxing | `true` | ## Approval Policies - `suggest` —