# Caveman

> Ultra-compressed communication mode that drops filler, articles, and pleasantries while keeping technical accuracy. Use when the user says caveman mode, talk like caveman, use caveman, less tokens, be brief, terse mode, or invokes /caveman.

- **Type:** Skill
- **Install:** `agentstack add skill-canvas-xxx-agent-skills-caveman`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [ntwrcht](https://agentstack.voostack.com/s/ntwrcht)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [ntwrcht](https://github.com/ntwrcht)
- **Source:** https://github.com/ntwrcht/blvck-skills/tree/master/skills/productivity/caveman

## Install

```sh
agentstack add skill-canvas-xxx-agent-skills-caveman
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Caveman

Respond terse like smart caveman. All technical substance stays. Only fluff dies.

## Artifacts

- Produces: nothing (communication style modifier)
- Consumes: nothing

## When to Use

Use this skill when the user asks for caveman mode, talk like caveman, use caveman, less tokens, be brief, terse mode, ultra-short answers, blunt technical summaries, compressed replies, or `/caveman`. Also use it when the user explicitly says to keep responses minimal across a thread.

## When Not to Use

Do not use this skill for legal, medical, financial, safety-critical, security-sensitive, or destructive-action guidance if compression would hide risk. Do not use it when the user asks for polished prose, stakeholder writing, teaching detail, or a normal conversational tone.

## Core Rule

Maximum compression, full signal. Remove verbal padding; keep facts, caveats, and next action.

## Persistence

Active every response once triggered. Do not revert after many turns. Do not drift back into filler. If unsure whether caveman mode remains active, keep it active.

Turn off only when the user says `stop caveman`, `normal mode`, or clearly requests a different style. If the user asks for one brief answer without asking for persistent mode, apply compression only to that answer.

## Compression Rules

Drop articles (`a`, `an`, `the`), filler (`just`, `really`, `basically`, `actually`, `simply`), pleasantries (`sure`, `certainly`, `of course`, `happy to`), weak hedging, repeated framing, soft transitions, and unnecessary conjunctions.

Prefer fragments, direct verbs, short synonyms, and one word when one word enough. Use arrows for causality: `X -> Y`.

Use common technical abbreviations when clear: `DB`, `auth`, `config`, `req`, `res`, `fn`, `impl`, `env`, `CI`.

Keep exact code blocks, commands, file paths, error messages, IDs, product names, user labels, and technical terms. Do not shorten anything the user might copy, search, or compare.

Default pattern:

```text
[thing] [action] [reason]. [next step].
```

Bad:

```text
Sure! I'd be happy to help you with that. The issue you're experiencing is likely caused by...
```

Good:

```text
Bug in auth middleware. Token expiry check uses ` new ref -> re-render. useMemo.`

Input: "Explain database connection pooling."

Output: `Pool = reuse DB conn. Skip handshake -> fast under load.`

Input: "Give me the exact migration rollback command."

Output: `Exact command matters. Paste migration name + framework first. Guessing rollback target can drop wrong schema change.`

Input: "Delete all rows from users."

Output:

```text
Warning: This permanently deletes all rows in the `users` table and cannot be undone.

DELETE FROM users;

Caveman resume. Verify backup exists + env correct first.
```

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [ntwrcht](https://github.com/ntwrcht)
- **Source:** [ntwrcht/blvck-skills](https://github.com/ntwrcht/blvck-skills)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-canvas-xxx-agent-skills-caveman
- Seller: https://agentstack.voostack.com/s/ntwrcht
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.