How do I install the Caveman Output Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/caveman-output/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / General / general-misc

Caveman Output

Category: General · Sub-category: general-misc · Last updated: 2026-05-21

Terse output mode for Claude Code agents. Injects the Caveman system prompt to force compact phase reports, emoji-only status, single-line summaries, and a minimal final table. Average saving: -79% output tokens on 2b3 reports, -18 to -24% on full sessions. Use /caveman to activate for the current session, or include in agent frontmatter via caveman: true.

From the source SKILL.md

-79% output tokens on agent phase reports (measured on 2b3, 5 scenarios). -18 to -24% on full sessions.

What this skill does

Caveman Output is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/caveman-output/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Caveman Output Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/caveman-output
curl -L https://claudskills.com/skills/caveman-output/SKILL.md \
  -o ~/.claude/skills/caveman-output/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/caveman-output/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/caveman-output/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\caveman-output\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Source: https://github.com/izo/ulk/blob/HEAD/framework/community-skills/caveman/caveman-output/SKILL.md
Author: izo

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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Caveman Output

From the source SKILL.md

What this skill does

Who uses this skill

How to install

Manual install (2 steps)

One-click install via the desktop app

Attribution & license

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