/context[all]

Shows context usage as a colored grid with optimization suggestions and capacity warnings. all expands the per-item breakdown.

Best use

When Claude seems forgetful or usage climbs fast, run /context to see whether large files or tool output are filling the window.

Used in these situations

• The conversation is long and Claude is slow or forgetful/context → /compact → /autocompact
• Spend less money and usage/usage → /model → /effort → /context

Related commands · Conversation & context

• /clearStart a fresh conversation (the old one stays resumable)
• /compactSummarize a long conversation to free space
• /planGet a plan first; edits wait for your approval
• /resumeGo back to an earlier conversation
• /rewindUndo: roll code and conversation back
• /autocompactSets how full the context window gets before automatic compaction, e.g.
• /branchCreates a branch of the conversation at this point and switches into it; the original is preserved and reachable via /resume.
• /btwAsks a side question about the current session without adding it to the conversation.