Slash command
Toggle the Fast service tier for the current model/thread, or check current state.
Syntax
/fast [on|off|status]Example
/fast oncontext-management
Include open files, current selection, and other IDE context in the next prompt without re-explaining what's open.
configuration
Choose a communication style for responses — friendly, pragmatic, or none — without rewriting your instructions.
integrations
List configured Model Context Protocol (MCP) tools. Pass 'verbose' for server diagnostics.
code-review
Show the Git diff including files Git isn't tracking yet. Review Codex's edits before committing or running tests.
configuration
Choose the active model (and reasoning effort when available). Opens a picker; press s to switch for the current session only.
configuration
Browse and use local skills to improve task-specific behavior by loading relevant skill context.