Ralph
Overview
Autonomous AI coding loop that repeatedly runs Amp or Claude Code until all PRD items are completed, using git history as memory.
Ralph is an open-source autonomous AI coding loop that repeatedly runs an AI coding tool (Amp CLI or Claude Code) until every item in a Product Requirements Document (PRD) is finished. Each iteration starts with clean context, while progress persists through git history and project files like prd.json and progress.txt. Ralph is designed to help developers ship features with minimal manual intervention by continuously planning, implementing, committing changes, and checking off PRD items in a structured loop.
Product overview
Capabilities, pricing and fit
Ralph is best understood as an AI software-development agent. Ralph is an autonomous AI agent loop that runs repeatedly until all PRD items are complete.
Information as of July 30, 2026
What it can do
- Software engineering automation
Ralph is an autonomous AI agent loop that runs repeatedly until all PRD items are complete.[1]
Where it fits best
- Implementing PRD-driven features by running an autonomous coding loop until acceptance criteria are met.[1]
Pricing and availability
Access: Source repository[1]
Sources (1)
Autonomy level
74/100
Our subjective rating of how independently the product carries out its documented tasks, considering the human setup, input, approval and review it needs. This is not a measured success rate.
Comparisons
Custom Comparisons
Some of the use cases of Ralph:
- Implementing PRD-driven features by running an autonomous coding loop until acceptance criteria are met.
- Automating multi-iteration coding work while keeping progress traceable through commits and PRD artifacts.
- Using Amp or Claude Code in a repeatable workflow with structured prompts and progress tracking.
- Speeding up feature delivery for side projects and internal tools with minimal supervision.
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Popularity level: 75%
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