Use when fixing a reported bug — reproduce it with a failing test before touching the code, then make the minimal fix at the true cause; never patch the symptom or files unrelated to the bug.
EnglishUse when writing or modifying code — implementing features, refactoring, or fixing bugs — to prevent over-engineering: unrequested abstractions, options, config, dependencies, and defensive code. Build exactly what was asked, nothing more.
English
AGENT SKILLS ATLASIncludes Repro First and other workflows.
Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLISupported by the Atlas install prompt. Skill-specific requirements vary.
Pack stats
What’s included
Repro First
Use when fixing a reported bug — reproduce it with a failing test before touching the code, then make the minimal fix at the true cause; never patch the symptom or files unrelated to the bug.
Underkill
Use when writing or modifying code — implementing features, refactoring, or fixing bugs — to prevent over-engineering: unrequested abstractions, options, config, dependencies, and defensive code. Build exactly what was asked, nothing more.
Quick start
- Choose your skills. Select individual skills above, or choose the entire pack.
- Copy the install prompt. Use Copy install prompt above the list.
- Send it to your agent. Paste into your coding agent’s chat. Your agent reviews the source and guides the setup.
Try it with your agent
After installation, start with a request like:
Use the Repro First skill to help with my task.
Ask me for the context you need before getting started.Requirements & license
- A coding agent that can access your project files and install skills.
- Your agent checks each skill’s instructions, dependencies, and permissions during setup.
- Reported license for the skills shown: MIT. The author’s terms apply.