Caveman
Claude Code skill that cuts ~75% of tokens by making Claude talk like a caveman
Expert verdict
Skip
2-2The Panel's Take
Caveman is a one-line installable Claude Code skill by Julius Brussee that instructs Claude to respond in ultra-compressed telegraphic language — short imperative verbs, no filler words, minimal articles — while preserving technical accuracy. The conceit is absurd: make Claude sound like a caveman. The result is practical: roughly 75% fewer output tokens per response. This matters because Claude's usage limits are token-based. Power users and teams hitting rate limits on Claude Code subscriptions have found that caveman-style output dramatically extends how many interactions they can run per session. The Hacker News thread hit 333 points the day it launched, with developers sharing variations and reporting measurable drops in token consumption for coding workflows. The project also spawned a fork (Caveman-Claude by om-patel5) that packages it as a higher-performance optimization layer with additional context-compression techniques. What started as a joke about caveman grammar is becoming a serious prompt-engineering pattern for token efficiency.
Share this verdict
Caveman verdict: SKIP ⏭️ 2 ships · 2 skips from the expert panel Full review: shiporskip.io/tool/caveman-claude-skill-75-percent-token-reduction
Weekly AI Tool Verdicts
Get the next verdict in your inbox
7 critics review a new AI tool every day. Weekly digest — free.
Similar Products
Compare Caveman with Others
Looking for Caveman alternatives?
Compare Caveman with every other Developer Tools tool reviewed by our panel.
See all Developer Tools alternativesEmbed this verdict
Tool makers can add a live ShipOrSkip badge to their site. Badge loads track impressions; clicks route back to this review.
<a href="https://shiporskip.io/api/badge-click/caveman-claude-skill-75-percent-token-reduction" target="_blank" rel="noopener"><img src="https://shiporskip.io/api/badge/caveman-claude-skill-75-percent-token-reduction" alt="Caveman Skip verdict on ShipOrSkip" width="360" height="90" /></a>[](https://shiporskip.io/api/badge-click/caveman-claude-skill-75-percent-token-reduction)<iframe src="https://shiporskip.io/embed/caveman-claude-skill-75-percent-token-reduction" title="Caveman ShipOrSkip verdict" width="360" height="260" style="border:0;border-radius:16px;max-width:100%;" loading="lazy"></iframe>The reviews
“I tested this against my normal Claude Code sessions and the token reduction is real — closer to 60-70% in practice, but that's still significant. For long refactoring sessions where I'm hitting usage walls, this is now a permanent part of my setup. One-line install is the right distribution model.”
“This is a workaround for Anthropic's pricing model, not a solution. The caveman syntax makes outputs harder to read and copy-paste — you'll spend cognitive overhead parsing the response. And if Anthropic changes how usage limits work, this approach becomes irrelevant overnight. It's a clever hack, not a durable tool.”
“This is a data point in the larger story about prompt efficiency becoming a discipline. As token costs dominate AI budgets, compressing output without losing semantics will be a genuine engineering skill. Caveman is silly — but the underlying insight about output verbosity being a lever is serious.”
“For any creative workflow — writing, design iteration, content generation — caveman output is actively counterproductive. The compressed style strips the nuance and polish from responses that make AI useful for creative work. This is a developer tool with a very specific use case.”