/compact[instructions]

Summarize a long conversation to free space

★ Start here

Summarizes the conversation so far to free context space, continuing the same conversation. Optional instructions steer what the summary keeps.

Best use

After a long session: /compact keep the database schema and the list of open bugs.

The conversation is long and Claude is slow or forgetful/context → /compact → /autocompact

/clearStart a fresh conversation (the old one stays resumable)
/contextSee what is filling the context window
/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.