codex/ module installs ~/.codex/config.toml.
It defines the default Codex model, notification behavior, trusted local projects, MCP servers,
and memory support for this workstation.
Defaults
| Setting | Value |
|---|---|
| Model | gpt-5.5 |
| Reasoning effort | medium |
| Plan mode reasoning effort | high |
| Service tier | fast |
| Memories | Enabled |
Notifications
Codex is configured to play the macOS Blow sound for:- Agent turn completion
- Approval requests
agent-turn-complete and approval-requested.
Trusted Projects
The config marks common local workspaces as trusted so Codex can work without repeating project trust prompts. Examples include:MCP Servers
Two MCP servers are configured:| Server | Use |
|---|---|
notion | Edit and search Notion workspace content |
openaiDeveloperDocs | Search and fetch OpenAI developer documentation |