Slash Commands in Codex CLI: Developer Cheat Sheet

Codex CLI supports slash commands — special commands that let you control an interactive Codex session directly from the terminal.

With slash commands, you can switch models, include IDE context, adjust permissions, inspect Git diffs, run reviews, compact long conversations, and resume previous sessions.

Essential Codex CLI Commands

/plan

/plan

Switches Codex into planning mode. Useful before large refactoring tasks, new features, or complex implementation work.

/ide

/ide

Includes context from your IDE, such as open files, current selection, and editor state.

/permissions

/permissions

Lets you configure what Codex is allowed to do without asking for confirmation.

/diff

/diff

Shows the Git diff, including files that are not tracked by Git yet. Useful before committing or reviewing changes.

/review

/review

Asks Codex to review the current working tree and look for potential issues.

/compact

/compact

Summarizes a long conversation to free context while keeping the important details.

/resume

/resume

Resumes a previously saved Codex CLI session.

/model

/model

Lets you choose the active model for the current session.

/fast

/fast on
/fast off
/fast status

Controls Fast mode when it is available for the current model.

/status

/status

Displays session details such as the active model, approval policy, writable roots, and context usage.

/new

/new

Starts a new conversation inside the current CLI session.

/init

/init

Generates a basic AGENTS.md file with project instructions for Codex.

/mention

/mention src/example.ts

Adds a specific file to the conversation context.

/approve

/approve

Approves one retry of a recent action that was denied by automatic review.

/vim

/vim

Toggles Vim mode for the composer.

Most Useful Commands for Daily Development

/plan
/ide
/permissions
/diff
/review
/compact
/resume
/model
/fast
/status

Conclusion

Slash commands in Codex CLI help developers control the AI coding agent faster without leaving the terminal. The most useful commands are related to planning, IDE context, reviewing changes, managing permissions, and resuming previous sessions.