ralpher 0.1.2

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Ralpher

A CLI tool that orchestrates Claude Code for autonomous software development. Give it a prompt, and it generates a PRD, breaks it into user stories, then runs iterative Claude development loops to implement each one.

Workflow: User Prompt ➔ PRD ➔ Ralph Loop

Install

pipx install ralpher

Usage

# 1. Generate a PRD
uv run ralpher prd "Create a TODO app" --name todo-app

# 2. Run the Ralph-loop on an existing PRD
uv run ralpher loop

How it works

1. PRD generation -- Sends your prompt to Claude to produce a structured PRD with user stories, saved to .ralpher/tasks/{task_id}/PRD.md.
2. Run Ralph-loop
   1. Parses the PRD into a structured JSON model (project, branch name, user stories with acceptance criteria and priorities).
   2. Iteratively invokes claude to implement each user story on a dedicated git branch (ralph/{task_id}), tracking progress and detecting completion.

Notion integration

Ralpher supports optional Notion integration for syncing task status. Set these in a .env file:

• RALPHER_NOTION_TOKEN -- Notion API token
• RALPHER_NOTION_PARENT_PAGE_ID -- Parent page for task pages

Development

# Run tests
uv run pytest tests/ -v

Acknowledgements

This project draws its design and some of its prompts from snarktank/ralph.