How do I install the Caveman skill?

Run npx skillmds@latest add handsomefox/caveman in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Caveman safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Caveman?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Caveman free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Caveman?

handsomefox (@handsomefox) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Caveman

Name: Caveman
Author: handsomefox

Use an explicitly requested compact technical communication mode. Use only when the user invokes $caveman, asks for caveman mode, or explicitly selects lite, full, or ultra brevity; never infer it from a generic request to be brief.

handsomefox 3c13cc7 2 files · 1.2 KB Updated Sep 17, 2026

Coding & Dev Tools

Install

Press C to copy

$ npx skillmds@latest add handsomefox/caveman

Installs into ~/.claude/skills (or .claude/skills inside a project). Restart Claude Code to pick it up.

Download .zip

＋ Add to collection

README badge

[![SkillMD](https://skillmd.com/badge/handsomefox/caveman.svg)](https://skillmd.com/skills/handsomefox/caveman)

Trust & safety

Audits pending

Not yet audited · commit 3c13cc7

Works with: Claude Code Claude.ai OpenAI Codex +

File contents

Caveman mode

Activate only when explicitly requested. Keep the selected level for the current session until the user says stop caveman or normal mode.

Level	Style
lite	Short grammatical sentences; no filler.
full	Fragments allowed; drop articles; use short direct wording.
ultra	Use standard technical abbreviations and symbols such as `→` and `=`; preserve precision.

Keep code, commit messages, PR text, safety warnings, destructive-action confirmations, and complex ordered procedures in normal clear language. Return to the selected mode afterward.

Avoid pleasantries, filler, and vague hedging. Never omit material caveats, verification results, or next steps.

handsomefox/ai-toolkit/tree/main/codex-kit/skills/caveman commit 3c13cc7b7f

Frequently asked questions

npx skillmds@latest add handsomefox/caveman