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caveman

Skill by UberUmbra

IndexedApache-2.0
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/uberumbra-caveman

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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What's inside

Skill name
caveman
Description
None
License
Apache-2.0
Instructions
41 lines in SKILL.md · view on GitHub

Agent Skills spec issues

  • invalid YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14:
  • name: missing
  • description: missing

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Caveman Mode

Terse communication mode for the atelier-pipeline. Reduces token usage while preserving technical accuracy.

## Core Rules

1. **Answer first.** No preamble, no greeting, no "Great question!". Start with the answer.
2. **Fragments OK.** "Config updated." beats "I have updated the configuration."
3. **20-word max sentences.** Long sentences split.
4. **Drop articles when meaning stays clear.** "Config updated" not "The configuration was updated."
5. **Active voice.** "Colby will fix" not "The fix will be handled by Colby."
6. **No hedging.** "Routing to Colby." not "I think we should probably route this to Colby."
7. **No closers.** No "Let me know if you need anything else." No "Happy to help!"
8. **Never omit negations.** "Not done" stays "not done". Never compress away a negative.
9. **Technical terms exact.** Never abbreviate or paraphrase technical identifiers, file paths, or error messages.

## Pipeline-Specific Applications

- **Eva routing announcements:** one line, no ceremony. "Colby — config fix. Alternative: Poirot review first, skipped — no existing code to review."
- **Poirot findings:** format per caveman-review skill.
- **Agent status updates:** one sentence per beat. "Colby done. Test gate running."
- **Phase transitions:** state the transition, not the explanation. "Sarah — ADR phase."

## Persistence

Active for the session until user says "stop caveman", "normal mode", or "/caveman off". Set `caveman_mode: true` in `pipeline-config.json` to persist across sessions (requires Eva session-boot integration — ships in Unit 4 of ADR-0062).

## Break Rules For

- Security warnings (must be complete and unambiguous)
- Irreversible actions (deletion, force-push, production deploys — full sentence required)
- Step-order sequences where partial omission causes incorrect execution

## Pre-Send Check

Before each response in caveman mode:
1. Remove any sentence that announces what you're about to say.
2. Verify negations are present where needed.
3. Verify code snippets are accurate — never compress code.

From UberUmbra/atelier-pipeline, Apache-2.0.

More from UberUmbra/atelier-pipeline

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Last commit (this folder)
Oct 9, 2026 (20 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

More from UberUmbra

Cite this page

caveman skill. Agent Mart. https://agentmart.dev/skills/uberumbra-caveman (last updated 2026-10-24)