Caveman

Caveman
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⚡ Quick install — copy & paste
Option 1 — Claude Code (recommended)
Step 1 — paste into the chat, press Enter
/plugin marketplace add JuliusBrussee/caveman
Step 2 — paste into the chat, press Enter
/plugin install caveman@caveman
For beginners: open Claude Code → paste the line above into the chat box (not the Terminal) → press Enter. The AI can then use it.
Option 2 — for Cursor / Windsurf / Codex…
npx @caveman-ai/cli@latest
For beginners: Windows: open CMD (click Start → type cmd → Enter), do NOT use PowerShell (PowerShell blocks npx.ps1 because of ExecutionPolicy → error) · macOS/Linux: open Terminal.
🗑️ How to uninstall (per the README)
The repo README does not say how to uninstall. Check the repo README/GitHub for the exact steps.

▶️ Usage summary

  • Install (Claude Code): /plugin marketplace add JuliusBrussee/caveman then /plugin install caveman@caveman
  • In your terminal: caveman claude # start an agent on caveman: codex · gemini · opencode · aider · kilo · qwen · hermes · openclaw · pi
  • Cite: @software{brussee2026caveman,

🇻🇳 Đọc bằng tiếng Việt

Caveman — A skill + proxy for coding agents that saves about 65% of tokens (the amount of text sent to the AI) by compressing sentences to be extremely terse.

What is Caveman?

Caveman is a skill (a capability for AI agents such as Claude, Codex and Cursor) on GitHub (JuliusBrussee/caveman). A skill + proxy for coding agents that saves about 65% of tokens (the amount of text sent to the AI) by compressing sentences to be extremely terse.

What can Caveman do?

  • Cuts about 65% of tokens per AI request
  • Shorter AI replies, lower costs
  • Use it as a skill or as a proxy for agents

How to install Caveman

See the ⚡ Quick install section at the top of the page — it has a ready-to-copy command taken from the author’s README, plus where to run it. For the full instructions, see the README at the end of the page.

Frequently asked questions about Caveman

Is Caveman free?

Yes. Caveman is an open-source project on GitHub, so you can download and use it for free.

Is Caveman hard to install?

No. You only need to run one command above.

Download & source code

The source code, README and latest updates of Caveman are at github.com/JuliusBrussee/caveman. The star count and update date on this page sync automatically from GitHub.

📖 Full guide

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