juliusbrussee

Caveman

Bundle of 16 skills

Use it when:: You want shorter agent replies and fewer tokens spent, beyond chat too.
It does:: Makes the agent answer tersely, and adds terse commits, one-line reviews and compressed memory files.

caveman, ultracave, megacave, caveman-commit, caveman-review, caveman-compress, caveman-stats, caveman-help, cavecrew, caveman-explore, investigate-first, lean-build, surgical-patch, safe-refactor, migration, verify-and-stop

Age: 7 months
Stars: 118K; #14
Total Downloads: 617K; #26
Weekly Downloads: 12.2K; #62

caveman

Part of Caveman

Use it when:: Replies feel padded, or you pay per token.
It does:: Makes the agent answer first, in short plain sentences, with no greetings, hedging or recaps.

mode none none token-saving output-style

Age: 7 months
Stars: 118K; #14
Total Downloads: 617K; #26
Weekly Downloads: 12.2K; #62

caveman-commit

Part of Caveman

Use it when:: You want a short commit message that skips what the diff already shows.
It does:: Writes a Conventional Commits message, like "feat(api): add GET /users/:id/profile", with a subject of 50 characters when possible.

command none none git output-style token-saving git

Age: 7 months
Stars: 118K; #14
Total Downloads: 431K; #45
Weekly Downloads: 7.3K; #71

caveman-compress

Part of Caveman

Use it when:: A file the agent reads every session, such as CLAUDE.md or a todo list, costs too many input tokens.
It does:: Rewrites the file's prose as terse fragments, dropping articles and filler, while code, commands, paths, URLs and headings stay exactly as they were.

command local account token-saving

Age: 7 months
Stars: 118K; #14
Total Downloads: 428K; #47
Weekly Downloads: 8.5K; #66

caveman-review

Part of Caveman

Use it when:: You want code review comments short enough to paste straight into a pull request.
It does:: Writes one line per finding: the line number, the problem and a concrete fix, optionally tagged as a bug, risk, nit or question.

guidelines none none code-review output-style token-saving

Age: 7 months
Stars: 118K; #14
Total Downloads: 427K; #49
Weekly Downloads: 7.3K; #72

caveman-help

Only works as part of Caveman

Use it when:: You've installed Caveman, a skill set that makes agents reply tersely to save tokens, and want a reminder of its modes and commands.
It does:: Prints one reference card, itself in caveman style, without changing the mode or saving anything.

command none none output-style

Age: 6 months
Stars: 118K; #14
Total Downloads: 417K; #51
Weekly Downloads: 7.1K; #86

cavecrew

Only works as part of Caveman

Use it when:: The agent hands many searches, small edits or reviews to subagents and its main context keeps filling up.
It does:: Tells the agent when to use three terse subagents, a code finder, a one-or-two-file editor and a diff reviewer, instead of working inline.

workflow none subagents multi-agent token-saving

Age: 6 months
Stars: 118K; #14
Total Downloads: 373K; #54
Weekly Downloads: 7K; #87

caveman-stats

Only works as part of Caveman

Use it when:: You want to see how many tokens your Claude Code session has used, and in which Caveman mode.
It does:: Prints a usage report from Caveman's hooks, unchanged: output and cache-read tokens, response counts and the mode behind them.

command none claude-code token-saving

Age: 6 months
Stars: 118K; #14
Total Downloads: 373K; #55
Weekly Downloads: 8.2K; #68

caveman-explore

Part of Caveman

Use it when:: The agent must find where something lives in an unfamiliar codebase, search across many files, or retry after a direct search failed.
You get:: Only a list of path:start-end citations with one short reason each, or the single line "no relevant locations found".

workflow none subagents multi-agent token-saving

Age: 2 months
Stars: 118K; #14
Total Downloads: 122K; top 10%
Weekly Downloads: 6.9K; #91

safe-refactor

Part of Caveman

Use it when:: You're restructuring code, by extracting, merging or moving it, and its behavior must stay exactly the same.
It does:: Sets up a check of current behavior before editing, keeps feature changes out, and moves one piece of responsibility at a time.

workflow local none refactoring verification

Age: 2 months
Stars: 118K; #14
Total Downloads: 120K; top 10%
Weekly Downloads: 6.9K; #94

investigate-first

Part of Caveman

Use it when:: Something fails and the cause is unclear: an intermittent bug, an odd behavior or a performance regression.
It does:: Separates what was observed from what's guessed, and weighs each explanation by its evidence and by how cheap it is to test.

workflow none none debugging

Age: 2 months
Stars: 118K; #14
Total Downloads: 119K; top 11%
Weekly Downloads: 6.9K; #93

verify-and-stop

Part of Caveman

Use it when:: A task only asks to check that existing work is done, such as a completion check, a focused gate run or last-mile proof.
It does:: Turns the acceptance conditions into the smallest set of checks that proves them, reusing results still current for the same code.

workflow none none verification scope-control

Age: 2 months
Stars: 118K; #14
Total Downloads: 119K; top 11%
Weekly Downloads: 6.8K; #96

surgical-patch

Part of Caveman

Use it when:: You're fixing a bug or making a small behavior change, and nothing else in the code should move.
It does:: Reproduces the failure when that's cheap, traces it to its cause, and changes only the smallest part of the code responsible.

workflow local none debugging scope-control

Age: 2 months
Stars: 118K; #14
Total Downloads: 119K; top 11%
Weekly Downloads: 6.9K; #95

lean-build

Part of Caveman

Use it when:: You're adding a feature or an integration and want it complete, but no bigger than what was asked.
It does:: Writes down what must work and what's out of scope, reuses the existing code, and leaves out options, config and polish nobody asked for.

workflow local none implementation scope-control

Age: 2 months
Stars: 118K; #14
Total Downloads: 118K; top 11%
Weekly Downloads: 6.8K; #97

migration

Part of Caveman

Use it when:: You're changing a database schema, data format, API, protocol, config or dependency that other code relies on.
It does:: Maps who reads and writes the current form, then plans both a forward path and a rollback before editing.

workflow local none migration

Age: 2 months
Stars: 118K; #14
Total Downloads: 118K; top 11%
Weekly Downloads: 6.8K; #98

ultracave

Part of Caveman

Use it when:: caveman's short sentences still feel too long and you want the tersest replies possible.
It does:: Drops articles, linking verbs and connectives, answers in one word when one is enough, and states each fact once.

mode none none token-saving output-style

Age: 5 weeks
Stars: 118K; #14
Total Downloads: 40.4K; top 19%
Weekly Downloads: 7.1K; #84

megacave

Part of Caveman

Use it when:: You read Classical Chinese and want replies that take far fewer characters on screen.
It does:: Answers in 文言文, the classical literary register: subjects omitted where clear, verb before object, particles instead of connecting phrases.

mode none none output-style

Age: 5 weeks
Stars: 118K; #14
Total Downloads: 39.2K; top 20%
Weekly Downloads: 6.9K; #92

caveman Skill collection