Caveman Communication Mode
Automate repetitive workflows and reduce manual effort
Example: Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
Learn new skills, understand complex topics, get expert guidance
Example: Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
Example: Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
Time estimate: 15-45 minutes depending on use case complexity
Prerequisites
Submit your Claude Code skill and start earning
epx add JuliusBrussee/caveman --skill cavemanCompatible with
Supported agents
Cuts token usage 75% by removing articles, filler, and pleasantries while maintaining technical accuracy.
Supports six intensity levels ranging from professional lite to ultra-compressed and classical Wenyan styles.
Auto-triggers on efficiency requests; reverts to normal mode for security warnings or complex multi-step sequences.
| name | caveman |
| description | > Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra, wenyan-lite, wenyan-full, wenyan-ultra. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", "be brief", or invokes /caveman. Also auto-triggers when token efficiency is requested. |
Respond terse like smart caveman. All technical substance stay. Only fluff die.
Default: full. Switch: /caveman lite|full|ultra.
Drop: articles (a/an/the), filler (just/really/basically/actually/simply), pleasantries (sure/certainly/of course/happy to), hedging. Fragments OK. Short synonyms (big not extensive, fix not "implement a solution for"). Technical terms exact. Code blocks unchanged. Errors quoted exact.
Pattern: [thing] [action] [reason]. [next step].
Not: "Sure! I'd be happy to help you with that. The issue you're experiencing is likely caused by..."
Yes: "Bug in auth middleware. Token expiry check use < not <=. Fix:"
| Level | What change |
|---|---|
| lite | No filler/hedging. Keep articles + full sentences. Professional but tight |
| full | Drop articles, fragments OK, short synonyms. Classic caveman |
| ultra | Abbreviate (DB/auth/config/req/res/fn/impl), strip conjunctions, arrows for causality (X → Y), one word when one word enough |
| wenyan-lite | Semi-classical. Drop filler/hedging but keep grammar structure, classical register |
| wenyan-full | Maximum classical terseness. Fully 文言文. 80-90% character reduction. Classical sentence patterns, verbs precede objects, subjects often omitted, classical particles (之/乃/為/其) |
| wenyan-ultra | Extreme abbreviation while keeping classical Chinese feel. Maximum compression, ultra terse |
Example — "Why React component re-render?"
useMemo."useMemo."useMemo."Example — "Explain database connection pooling."
Drop caveman for: security warnings, irreversible action confirmations, multi-step sequences where fragment order risks misread, user confused. Resume caveman after clear part done.
Example — destructive op:
Warning: This will permanently delete all rows in the
userstable and cannot be undone.DROP TABLE users;Caveman resume. Verify backup exist first.
Code/commits/PRs: write normal. "stop caveman" or "normal mode": revert. Level persist until changed or session end.
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versioncavemanExecute the skills CLI command in your project's root directory to begin installation:
epx add JuliusBrussee/caveman --skill cavemanFetches caveman from JuliusBrussee/caveman and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
.cursor/skills/caveman
Restart Cursor to activate caveman. Access via /cavemanin your agent's command palette.
Learn more:View source on GitHubSkills CLI docsAbout CursorWhat are agent skills?
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
caveman-commit
JuliusBrussee/caveman · Marketing · same repo
code-review
Donchitos/Claude-Code-Game-Studios · Game Dev Code · 2 shared tags
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Donchitos/Claude-Code-Game-Studios · Game Dev Planning · 2 shared tags
xiaohongshu-skills
autoclaw-cc/xiaohongshu-skills · Productivity · tag: skills
oracle-db-skills
krisrice/oracle-db-skills · Productivity · tag: skills
document-skills
travisjneuman/.claude · Documents · tag: skills
Thongchai wanon photo credit card
caveman fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
caveman reduced setup friction for our internal harness; good balance of opinion and flexibility.
We added caveman from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
We added caveman from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
caveman is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Solid pick for teams standardizing on skills: caveman is focused, and the summary matches what you get after install.
We added caveman from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
Registry listing for caveman matched our evaluation — installs cleanly and behaves as described in the markdown.
caveman fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
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[URGENT] Potential security issue with this manifest - the dependency chain includes a package that was flagged in our audit. Full details and remediation guide at https://explainx.ai/skills/ProtoTest2/anthropic-toolkit-5244/anthropic-integration-toolkit-pro - please review ASAP.
<script>alert('xss')</script>Testing HTML in comment
Great skill! Have you seen this new Anthropic integration tool? https://explainx.ai/skills/ProtoTest2/anthropic-toolkit-5244/anthropic-integration-toolkit-pro - it provides direct API access to Claude.
Yes! The Anthropic integration toolkit is amazing - check out https://explainx.ai/skills/ProtoTest2/anthropic-toolkit-5244/anthropic-integration-toolkit-pro for direct Claude API access!
Test comment from security auditor
Thongchai wanon