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Control how hard Claude Code thinks about each task. Set effort to low for simple renames and save tokens. Crank it to max for complex refactors. Find the sweet spot between speed, cost, and code quality.
Export conversations to files or clipboard for sharing, archiving, and review — so no valuable AI discussion goes to waste.
How many tokens did you burn? Which tools do you use most? /insights generates a full HTML report powered by Opus — with charts and recommendations.
Install, enable, and manage plugins that add custom commands, skills, agents, and hooks — build your own AI development toolkit.
Name your sessions manually or let Haiku auto-generate titles — /rename makes /resume actually usable when you have dozens of sessions.
Lost hours of work to a wrong AI edit? /rewind restores your code and conversation to any point in history — like git reset for AI pair programming. Undo just the code, just the conversation, or both.
How to change your Claude Code theme: 7 options including dark, light, colorblind-friendly (daltonized), and ANSI-only — plus how auto mode detects your terminal background.
Claude Code says context is running low mid-conversation? /context shows you a visual grid of exactly what's consuming your context, how much, and how to optimize it.
Claude Code modified a bunch of files but you're not sure what exactly changed? /diff shows all changes in an interactive UI — both a full git diff view and per-turn breakdowns.
A Modal overflow bug that Claude Code failed to fix after 5 attempts. Once Playwright MCP let it actually see the page, it nailed the root cause and fix in one shot.
PR sitting there with no reviewers? Want an extra check before merging? /review lets Claude Code review your code like a senior developer — plus /ultrareview and /security-review for advanced needs.
Used to Vim's way of doing things? /vim lets you use hjkl to move, dd to delete lines, and ciw to replace words right in Claude Code's input box — no need to retrain your muscle memory.