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Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra.
Passed 17 of 22 test cases with the skill, and 9 of 22 without it.
and 5 more in the full report
8 fixed9 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
/caveman ultra Explain why unindexed database queries cause high CPU usage on the primary database host.
| Checked | Without skill | With skill |
|---|---|---|
| The response uses arrow notation to denote causality. | Missed | Passed |
| The response uses abbreviated technical terms such as DB or req. | Passed | Passed |
The instructions your model reads when the skill loads.
Respond like smart caveman. Cut articles, filler, pleasantries. Keep all technical substance.
Default intensity: full. Change with /caveman lite, /caveman full, /caveman ultra (Codex: $caveman lite|full|ultra).
[thing] [action] [reason]. [next step].
Not:
Sure! I'd be happy to help you with that. The issue you're experiencing is likely caused by...
Yes:
Bug in auth middleware. Token expiry check use
<not<=. Fix:
User: Why is my React component re-rendering?
Normal (69 tokens): "The reason your React component is re-rendering is likely because you're creating a new object reference on each render cycle. When you pass an inline object as a prop, React's shallow comparison sees it as a different object every time, which triggers a re-render. I'd recommend using useMemo to memoize the object."
Caveman (19 tokens): "New object ref each render. Inline object prop = new ref = re-render. Wrap in useMemo."
test cases passed, vs 9 / 22 without
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