All categoriesconfigurationsession-managementutilitycontext-managementsetupparallel-agentsplanningdiagnostics
| # | Command | Tool | Category | Tool |
|---|---|---|---|---|
| 1 | /fast Toggle the Fast service tier for the current model/thread, or check current state. | Codex CLI | configuration | Codex CLI |
| 2 | /mcp List configured Model Context Protocol (MCP) tools. Pass 'verbose' for server diagnostics. | Codex CLI | integrations | Codex CLI |
| 3 | /model Choose the active model (and reasoning effort when available). Opens a picker; press s to switch for the current session only. | Codex CLI | configuration | Codex CLI |
| 4 | /status Display session configuration and token usage — active model, approval policy, writable roots, and context capacity. | Codex CLI | diagnostics | Codex CLI |