Ralph

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Ralph is an AI Agents & Automation tool that provides an autonomous AI agent loop for software development. It repeatedly runs AI coding tools until all Product Requirements Document (PRD) items are complete, using git history for memory.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is ralph?

Ralph is an autonomous AI agent loop designed to streamline software development by iteratively completing PRD items. It operates by spawning fresh AI instances (Amp or Claude Code) for each iteration, ensuring a clean context while persisting memory through git history, a progress.txt file, and a prd.json file. This approach allows Ralph to pick the highest priority story, implement it, run quality checks, commit if successful, and update the PRD status. Key features include skills for generating and converting PRDs, automatic handoff for large stories, and critical updates to AGENTS.md for continuous learning. It emphasizes small, manageable tasks and robust feedback loops for effective development.

Best used for

Ideal for developers and product managers who need to automate the implementation of product requirements, manage iterative coding tasks, and ensure continuous integration. Especially valuable for teams looking to leverage AI agents for feature development and maintaining a clean, context-aware development process.

Common actions

automate code creation

manage product requirements

streamline development workflow

implement user stories

open-sourceworkflowscollaboration"AI Agents"face swappingautomated workflowgithub copilotlow-code/no-codedeepfake

Capabilities

Key features

Autonomous AI agent loop
Iterative PRD completion
Git-based memory persistence
PRD generation skill
PRD to JSON conversion
Quality checks integration
Feature branch creation

Target Audience

developerproduct managerstartup founder

Integrations

gitamp-cliclaude-code

Pricing & Plans

Open Source

Free

FAQs

How does Ralph maintain context between iterations?

Ralph maintains context through git history, a progress.txt file for learnings, and a prd.json file that tracks the status of user stories. Each iteration starts with a fresh AI instance, but these files provide the necessary memory.

What AI coding tools does Ralph support?

Ralph supports Amp CLI and Claude Code as its primary AI coding tools. Users can specify which tool to use when running the ralph.sh script, allowing flexibility based on their preferred AI environment.

What is the purpose of AGENTS.md in Ralph's workflow?

AGENTS.md files are critical for Ralph's learning process. After each iteration, Ralph updates these files with discovered patterns, gotchas, and conventions, which AI coding tools automatically read to improve future iterations and assist human developers.

How does Ralph handle large product requirements?

Ralph encourages breaking down PRD items into small, manageable tasks that can be completed within a single AI context window. It also supports configuring Amp auto-handoff to handle larger stories by automatically passing context when it fills up.

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