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reopt Handbook
reopt Handbook
Claude Code Command MasterLabels and command selectionHow to read a detail guideComplete command listTerminal CLI Commands and Flags

Task guides

Core command basicsStarting and resuming workSkills and Custom CommandsAutomation and Web CommandsOperations and Safety CommandsCustom commands and skillsMCP connections and commands

Conversation and context

Cmd. /add-dirCmd. /backgroundCmd. /compactCmd. /contextCmd. /copyCmd. /exportCmd. /forkCmd. /importCmd. /initCmd. /memoryCmd. /recapCmd. /renameCmd. /resumeCmd. /rewindCmd. claude purge

Planning and execution

Cmd. /autofix-prCmd. /batchCmd. /desktopCmd. /goalCmd. /loopCmd. /planCmd. /remote-envCmd. /scheduleCmd. /tasksCmd. /teleportCmd. /workflows

Review and verification

Cmd. /code-reviewCmd. /runCmd. /run-skill-generatorCmd. /security-reviewCmd. /simplifyCmd. /verify

Models and settings

Cmd. /claude-apiCmd. /configCmd. /effortCmd. /fastCmd. /modelCmd. /output-styleCmd. /update-config

Permissions and integrations

Cmd. /agentsCmd. /hooksCmd. /ideCmd. /mcpCmd. /permissionsCmd. /pluginCmd. /reload-pluginsCmd. /reload-skillsCmd. /sandboxCmd. /skillsCmd. /web-setup

Status and diagnostics

Cmd. /debugCmd. /diffCmd. /doctorCmd. /fewer-permission-promptsCmd. /release-notesCmd. /team-onboarding

Display and input

Cmd. /colorCmd. /focusCmd. /keybindingsCmd. /powerupCmd. /statuslineCmd. /terminal-setupCmd. /themeCmd. /tui

Account and usage

Cmd. /upgradeCmd. /usageCmd. /usage-credits

Legacy

Cmd. /costCmd. /pr-commentsCmd. /reviewCmd. /statsCmd. /ultrareviewCmd. /vimCmd. /approved-toolsCmd. /commandsCmd. /extra-usageCmd. /settingsCmd. /tagCmd. /todos

Verification and history

Current verification scopeHandbook updatesRelease coverage historyEarlier verification recordsCommand change history
Handbook›Claude Code Command Master›Cmd. /diff
한국어KOEnglishEN

Cmd. /diff

Open the interactive uncommitted and per-turn diff viewer.

Written and reviewed by Eric Han · Co-founder & CTO, reopt

Key takeaways

  • Open the interactive uncommitted and per-turn diff viewer.
  • Check the input surface and availability before using the examples below.

Purpose

Open the interactive uncommitted and per-turn diff viewer.

/diff

Availability

FieldValue
Input surfaceRunning CLI prompt
KindBuilt-in
StatusCurrent reference
Aliases—
Documented minimumNot specified
Reviewed against2026-10-23 · Claude Code 2.1.308

The installed command menu and account or organization settings determine availability.

Examples

/diff

Effects and persistence

Displays code changes; opening the viewer does not commit or revert them.

Cautions

Review uncommitted and per-turn views with their different comparison scopes in mind.

Official sources

  • Commands

Complete command list · Verification scope

Related docs

Cmd. /upgrade

Opens the billing flow for moving to a higher plan.

Cmd. /release-notes

Displays selected release notes in the transcript without adding them to model conversation context.

Cmd. /usage

Codex Command Master · Open the account usage analytics dashboard or apply an available rate-limit reset.

Cmd. /import

Codex Command Master · Import Claude Code or Cursor setup, project files, and recent chats into Codex.

IDE Integration

Claude Code Complete Guide · Combine Claude Code terminal sessions with editor context and review workflows.

Cmd. /debug

Enable debug logging and analyze the session issue (skill).

Cmd. /doctor

Diagnose and optionally repair setup and configuration (skill).

On this page

PurposeAvailabilityExamplesEffects and persistenceCautionsOfficial sources