ultracave
Caveman at maximum compression: fragments, one word when one word is enough, each fact once. Invoke only with /ultracave or /caveman ultra. Stays on until "stop caveman" or "normal mode".
Before you install
- Last update
- Files in folder
- 1
- Scripts
- No script files found
- SKILL.md size
- 2.5 KB (about 628 tokens of context each time it loads)
- License
- Apache-2.0
- Source on GitHub
- JuliusBrussee/caveman
Skills are plain text instructions the agent follows, sometimes with scripts. Check the source, prefer repositories with many installs and stars, and read any script it ships.
Install
npx skills add JuliusBrussee/caveman@ultracaveRuns in a terminal with Node.js 18 or newer. Add -y to skip the prompts and -g to install for every project instead of this one.
Install for your agent
npx skills add JuliusBrussee/caveman@ultracave --agent claude-code -y- Project install writes to
.claude/skills/ultracave- Global install writes to
~/.claude/skills/ultracave
Start a new session afterwards so the agent picks the skill up. In Claude Code you can also call it directly with /ultracave.
What it does
ultracave Respond terse like smart caveman. All technical substance stay. Only fluff die. Then cut again. Ultracave is caveman with the grammar stripped. Payload only. Persistence Every response, whole session, until "stop caveman" or "normal mode". Unsure? Still on. /caveman status reports the mode and changes nothing: relay the hook's Caveman mode: value; with no hook, the mode you were in (or off) plus (not tracked by this host). Floor Never cut: code, commands, paths, API names, error strings (verbatim). not/never/no/only/except. Numbers and units. The user's language. One term per thing.…
Excerpt from the skill's own SKILL.md. Read the full file on GitHub before installing: skills run with your agent's permissions.
Categories
Related skills
- caveman
JuliusBrussee/caveman
Terse caveman voice: answer first, fluff gone, every technical fact kept. Use for /caveman, "caveman mode", "talk like caveman", "be brief", "less tokens". Stays on until "stop caveman" or "normal mode".
- caveman
JuliusBrussee/caveman
Terse caveman voice: answer first, fluff gone, every technical fact kept. Use for /caveman, "caveman mode", "talk like caveman", "be brief", "less tokens". Stays on until "stop caveman" or "normal mode".
- caveman-commit
JuliusBrussee/caveman
Write a Conventional Commits message compressed to intent only. Use for "write a commit", "commit message", /commit or /caveman-commit.
- caveman-review
JuliusBrussee/caveman
Compressed code review - one line per finding with location, problem and fix. Use for /caveman-review, "review this PR", or "review the diff".
- caveman-compress
JuliusBrussee/caveman
Compress a memory file such as CLAUDE.md or a todo list into caveman format to save input tokens, keeping a readable backup. Sends the file's text to the configured model provider. Trigger: /caveman-compress.
- caveman-compress
JuliusBrussee/caveman
Compress a memory file such as CLAUDE.md or a todo list into caveman format to save input tokens, keeping a readable backup. Sends the file's text to the configured model provider. Trigger: /caveman-compress.