#context window
3 articles
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/autocompact 500k and CLAUDE_CODE_AUTOCOMPACT_PCT_OVERRIDE=50: make Claude Code compact earlier, or never
/autocompact 500k sets autoCompactWindow, CLAUDE_CODE_AUTOCOMPACT_PCT_OVERRIDE=50 compacts at half the window, autoCompactEnabled: false turns it off. Defaults and precedence.
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CLAUDE.md length: under 200 lines, and Claude Code warns you at startup past it
The documented target is under 200 lines per CLAUDE.md file, and you get a startup and /status warning past it. Plus the 4 MiB limit, the combined-size warning, and how to trim.
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Managing context in Claude Code: /compact versus /clear and how to save tokens
Why long Claude Code sessions slow down, when to use /compact, /clear and /context, how automatic compaction works, and habits that keep token usage down.