DISABLE_COMPACT
Updated by Alex Sorokoletov
DISABLE_COMPACT is a Claude Code environment variable: Disable all compaction (manual + auto). Its release history is not tracked here. It is listed in the official reference.
| Status | Present in v2.1.294 |
|---|---|
| Category | Context and compaction |
| Official docs | Listed |
How to set it
For one session, export it in the shell that starts Claude Code:
export DISABLE_COMPACT=<value>
claudeTo apply it to every session, add it to the env object of a settings file:
// ~/.claude/settings.json
{
"env": {
"DISABLE_COMPACT": "<value>"
}
}Release notes that mention it
- Claude Code v2.1.100 — 3 New Environment Variables: Context Token Limits, Perforce VCS, and Script Capability Controls
- CLAUDE_AUTOCOMPACT_PCT_OVERRIDE: Complete Guide to Claude Code Auto-Compaction Control
- Claude Code Version Tracker: Undocumented Env Vars, Feature Gates & Models
Related variables
DISABLE_AUTO_COMPACT: Disable automatic compaction only (manual /compact still works).DISABLE_CLAUDE_CODE_SM_COMPACT: Disable session memory compaction.CLAUDE_AFTER_LAST_COMPACT: Request only conversation logs after last compaction.CLAUDE_CODE_AUTO_COMPACT_WINDOW: Controls the token window threshold at which automatic context compaction kicks in.CLAUDE_CODE_DISABLE_1M_CONTEXT: Disable extended 1M token context window.CLAUDE_CODE_DISABLE_PRECOMPACT_SKIP: Disable skipping pre-compaction checks.DISABLE_MICROCOMPACT: Micro-compaction (small context cleanups).ENABLE_CLAUDE_CODE_SM_COMPACT: Force enable session memory compaction.
Frequently asked questions
What does DISABLE_COMPACT do?
Disable all compaction (manual + auto)
Which Claude Code version has DISABLE_COMPACT?
Its release history is not tracked here.
How do I set DISABLE_COMPACT?
Export it before starting Claude Code (export DISABLE_COMPACT=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.
All variables, searchable: Claude Code environment variables.