75% fewer tokens: 'Caveman Mode' for Claude Code goes viral

An open-source skill for Claude Code is taking Hacker News by storm: 'Caveman' forces the AI model to respond using minimal language. 'Why use many tokens when few tokens do the trick.' The result: 75% less token consumption whilst maintaining the same code quality.

Given current API prices, this means a drastic cost reduction for teams that use Claude Code intensively. The skill can be installed with a single command. 212 upvotes and 153 comments on Hacker News within a few hours show that token costs are the industry’s pain point.

https://github.com/JuliusBrussee/caveman

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