🧪 Marathon Ralph
This skill enables autonomous long-running development sessions that implement specifications into fully tested applications and manage progress via Linear
npx playbooks add skill gruckion/marathon-ralph --skill marathon-ralph
About Marathon Ralph
Marathon Ralph specializes your AI coding agent in testing & qa — it this skill enables autonomous long-running development sessions that implement specifications into fully tested applications and manage progress via linear.
At 19 words, this compact prompt gives your agent specialized testing & qa expertise with structured patterns and output formats. Install via CLI or copy the prompt below.
Use Cases
- Writing unit, integration, and end-to-end tests
- Setting up test coverage and CI pipelines
- Refactoring legacy code with confidence using tests
- Creating test plans and QA checklists
Example Prompts
System Prompt (19 words)
This skill enables autonomous long-running development sessions that implement specifications into fully tested applications and manage progress via Linear
Frequently Asked Questions
What is Marathon Ralph?
Marathon Ralph is a free testing & qa skill for AI coding agents. This skill enables autonomous long-running development sessions that implement specifications into fully tested applications and manage progress via Linear. It provides a specialized system prompt that configures your agent with testing & qa expertise.
How do I use Marathon Ralph with Claude Code?
Run npx playbooks add skill gruckion/marathon-ralph --skill marathon-ralph in your terminal to install Marathon Ralph into your Claude Code session. It works immediately after installation.
Which AI coding agents work with Marathon Ralph?
Marathon Ralph is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.
Is Marathon Ralph free to use?
Yes, Marathon Ralph is completely free and open source. The full source is available on GitHub at https://github.com/gruckion/marathon-ralph/tree/main/skills/marathon-ralph. You only need a subscription to the AI agent you use it with.
