Ralph

Ralph is an AI Engineering skill for Claude Code, published by Yeachan-Heo in oh-my-claudecode.

38.5K stars3.5K forkson Yeachan-Heo/oh-my-claudecodeAdded 2026/08/13Repository updated 2026/08/13

agentic-codingai-agentsautomationclaudeclaude-codemulti-agent-systemsoh-my-opencodeopencodeparallel-executionvibe-coding

Install in seconds

Install Ralph

Copy Ralph into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/Yeachan-Heo/oh-my-claudecode/tree/main/skills/ralph ~/.claude/skills/ralph

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/Yeachan-Heo/oh-my-claudecode.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/ralph/SKILL.md in Yeachan-Heo/oh-my-claudecode
Installs to: ~/.claude/skills/ralph
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What Ralph does

Ralph keeps working on a task until every user story in prd.json passes and is reviewer-verified. It wraps parallel execution with session persistence, automatic retry, and mandatory verification before completion.

Ralph is cataloged under AI Engineering on DirSkills. Ralph comes from a repository tagged agentic-coding, ai-agents, automation, claude and claude-code.

Documentation

README

Excerpt

[RALPH + ULTRAWORK - ITERATION {{ITERATION}}/{{MAX}}]

Your previous attempt did not output the completion promise. Continue working on the task.

<Use_When>

This is the opening of the README. Read the full README on GitHub.

Commands Ralph provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/goal

Frequently asked about Ralph

What else does Yeachan-Heo publish alongside Ralph?
Ralph is one of 25 skills that DirSkills catalogs from Yeachan-Heo/oh-my-claudecode, the repository it ships in. Its siblings there include AI Slop Cleaner, Ask and Autopilot. Each one is a separate skill with its own page in this directory, installs the same way Ralph does, and is maintained by Yeachan-Heo in that same repository. The rest of the collection is listed on the Yeachan-Heo/oh-my-claudecode page.
How does Ralph compare to other AI Engineering skills?
Ralph ranks #145 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Ralph against them. Open each page to compare what they document and how they install.