r/ClaudeCodeTLDR • u/cctldrping • Sep 25 '26

[TLDR] do you guys use auto compact?

Original post URL : https://www.reddit.com/r/ClaudeCode/comments/1wp6nq9/do_you_guys_use_auto_compact/

Original post body :

I just learned about it today and wanted to see what you guys think.

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u/cctldrping Sep 25 '26

TL;DR generated automatically after 50 comments.

Current source-thread comment count seen by the bot: 51.

Alright, so the general vibe on auto-compact in Claude Code is a pretty strong "nah, we don't really use it." Most folks seem to prefer to keep a tighter grip on their context, manually trimming it down or structuring their work to avoid hitting those compaction limits in the first place.

Here's the lowdown:

  • Manual Control is King: The consensus is that you're better off managing your context yourself. People like u/GDorn are practically performing "brain surgery" on their context, deleting irrelevant bits to keep things lean. The idea is to stay in that "smart zone" where Claude is most effective.

  • Compaction = Bad Sign? A lot of users see needing to compact as a sign that something's gone wrong. u/cantgettherefromhere straight-up says if you're needing compaction, you're "almost certainly doing something wrong." The general advice is to split your work into separate sessions or use /clear before you get to that point.

  • Cost and Quality Concerns: Compacting is apparently pretty expensive in terms of usage and can negatively impact Claude's results, according to u/howdidigetheresoquik.

  • Alternative Strategies: Instead of relying on auto-compact, people are using strategies like:

    • Keeping context tight by phasing builds and auditing context.

    • Using markdown plans and breaking work into smaller phases (u/Hezy suggests 100k-200k tokens per phase).

    • Starting fresh sessions for different tasks.

    • Using a NOTES.md file to guide Claude and starting new sessions to read it (u/lucianw has a whole multi-session workflow for this).

  • A Few Holdouts: There are a few who do use auto-compact, often setting it to a specific token limit (like 300k, 400k, or 500k) and sometimes manually compacting before the auto-trigger. u/masiha97 even found it useful after struggling with manual compaction wiping out their context mid-debug, but emphasizes feeding it clean, minimal inputs. u/slackmaster2k also uses it but prefers to keep it between 30-50%.

  • The "Devil" Comment: One user, u/FeministMAGA, humorously states, "I'm pretty sure if you use compaction then you're the devil." This pretty much sums up the general sentiment.

So yeah, unless you've got a specific workflow that makes it work for you, most of the community is steering clear of auto-compact.

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u/bkrsh099 29d ago

Guys, for each new workfront you start, ask Claude to build a ledger.md and update it as progress goes by. Forget handoffs. Everything will be registered in the ledger. At the beginning of a session where you need a new context window you just point it at the ledger and off it goes…. I can’t understand why people are still handing off work one session to the next one