Caveman

Viral agent skill and proxy that cuts tokens by making coding agents talk like a caveman

Aboutgithub.com

Caveman is a skill and proxy for coding agents that makes them say and read less. The project reports 33.2 percent fewer input tokens through the proxy, and 18 of 18 correct answers across 54 Claude Code runs. It also offers a compact browse mode for web pages. It ships an npm CLI, middleware, and an SDK, uses the Apache 2.0 license, and has more than 110,000 GitHub stars.

Install

npm install -g @caveman-ai/cli

For an agent

Use it to cut token costs on long agent sessions. Keep the full style for user-facing text, because the terse output is for the agent, not the reader.

Why it is here. It shows how much an output style changes agent cost.

Install command, framework, licence and component list.

Notable for

110
000+ GitHub stars
Proxy and skill
Apache 2.0

Provenance

Verified 2026-10-09. HTTP 200. https://github.com/JuliusBrussee/caveman (HTTP 200, page fetched 2026-10-09), https://github.com/JuliusBrussee/caveman (GitHub API, 110585 stars), depo.zip listing https://www.depo.zip/tools/j5738jfdk9adtewxtj32hbsqgs84pxff

Agent Design Tooling