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Get Started Free →rohitg00/context-optimizer
Optimize token usage and context management.
Passed 21 of 22 test cases with the skill, and 13 of 22 without it.
and 11 more in the full report
9 fixed12 passed either way0 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 9 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which environment variable key configures proactive auto-compaction percentage in Claude settings?
| Checked | Without skill | With skill |
|---|---|---|
| Names CLAUDE_AUTOCOMPACT_PCT_OVERRIDE | Missed | Passed |
The instructions your model reads when the skill loads.
Manage your context window and token budget effectively.
/context to check current usage| Action | Saves | When |
|---|---|---|
/compact | 30-50% context | At task boundaries |
| Disable unused MCPs | ~5% per MCP | When switching domains |
| Use subagents for exploration | Keeps main context clean | Heavy search/read tasks |
Fresh session via /resume | 100% reset | When starting unrelated work |
Set proactive auto-compaction:
{
"env": {
"CLAUDE_AUTOCOMPACT_PCT_OVERRIDE": "50"
}
}
Keep <10 MCPs enabled, <80 tools total. Each MCP adds overhead to every request.
/mcp # List active servers
# Disable what you're not using
test cases passed, vs 13 / 22 without
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