ralph
Set up and run Ralph Wiggum loop - autonomous AI coding with clean slate iterations, PRD-driven features, and CI quality gates. Use for long-running autonomous coding tasks.
- Installs
- 43
- Last 24h
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- Security
- Not audited
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/kv0906/cc-skills --skill ralph- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads ralph automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Ralph Wiggum Loop Skill
Autonomous AI coding pattern that runs agents in iterations with clean context, working on PRD-driven features while maintaining CI green.
Commands
| Command | Action |
|---|---|
/ralph | Show help menu |
/ralph setup | Create Ralph infrastructure |
/ralph init | Build custom PRD interactively |
/ralph run | Execute the autonomous loop |
/ralph setup
Create all Ralph files in the current directory.
Steps:
-
Read and copy templates from this skill's
templates/folder:- templates/ralph-loop.sh →
./ralph-loop.sh - templates/prd.json →
./prd.json - templates/progress.txt →
./progress.txt - templates/README-RALPH.md →
./README-RALPH.md
- templates/ralph-loop.sh →
-
Make script executable:
chmod +x ralph-loop.sh -
Detect project context and customize:
- Check for
package.json→ determine package manager (pnpm/npm/yarn) - Check for
tsconfig.json→ TypeScript project - Update test commands in ralph-loop.sh accordingly
- Check for
-
Show completion message with next steps
/ralph init
Guide user through creating a custom PRD interactively.
Questions to ask:
- Project name?
- What features do you want to build? (collect 3-5 user stories)
- For each story:
- Title?
- Description?
- Acceptance criteria? (3-5 specific, testable criteria)
Output: Generate prd.json with user's input. Offer to create other Ralph files if not present.
/ralph run
Execute the Ralph loop.
Pre-flight checks:
- Verify
ralph-loop.shexists - Verify
prd.jsonexists - Show summary:
- Total user stories
- Incomplete stories (where
passes: false) - Max iterations configured
- Ask for confirmation
- Execute:
./ralph-loop.sh
/ralph (no args)
Show help menu:
Ralph Wiggum Loop - Autonomous AI Coding
Commands:
/ralph setup - Create Ralph infrastructure in this directory
/ralph init - Create a new PRD from scratch
/ralph run - Run the Ralph loop
What would you like to do?
Key Principles
- Clean slate each iteration - Fresh context, no baggage
- One feature at a time - Prevents scope creep
- CI must stay green - Tests and types pass every commit
- Progress tracking - Append to progress.txt each iteration
- Clear stop condition -
<promise>COMPLETE</promise>when all stories pass - Safety limit - Max iterations prevents infinite loops
PRD Quality Checklist
Good user stories are:
- ✅ Specific and scoped (completable in one iteration)
- ✅ Clear acceptance criteria (testable, unambiguous)
- ✅ Properly prioritized (1 = highest)
- ✅ Has
"passes": falseinitially
Bad user stories are:
- ❌ Too vague ("build the UI")
- ❌ Too large (touches many systems)
- ❌ Unclear criteria ("make it nice")
FAQ
What does the ralph skill do?
Set up and run Ralph Wiggum loop - autonomous AI coding with clean slate iterations, PRD-driven features, and CI quality gates. Use for long-running autonomous coding tasks.
How do I install ralph?
Run npx skills add https://github.com/kv0906/cc-skills --skill ralph in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/ralph/ (personal) or .claude/skills/ralph/ (project).
Which AI agents can use ralph?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is ralph safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains ralph?
It is published by kv0906 in kv0906/cc-skills. It has 43 recorded installs.
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