how-to-guide

How to Use the PRD Skill to Generate Detailed Requirements Documents in Ralph

April 13, 2026 snarktank/ralph ↗

To use the PRD skill in Ralph, invoke it with a feature description, answer 3–5 lettered clarifying questions, and retrieve the generated document from tasks/prd-[feature-name].md to feed into the autonomous development loop.

The PRD skill is a built-in, user-invocable component of the snarktank/ralph repository designed to automate the creation of comprehensive Product Requirements Documents. Defined in skills/prd/SKILL.md, this skill bridges the gap between vague feature ideas and structured implementation plans that Ralph

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how snarktank/ralph works."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

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