ralph
Convert an ML PRD into prd.json for ML-Ralph. Use when you have an ML PRD and need prd.json. Triggers on: convert this prd, turn this into ml-ralph format, create prd.json from this, ralph json.
Profile →npx skills add majiayu000/claude-skill-registry --skill ralph-joaquincampo-ml-ralph --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# ML-Ralph PRD Converter Converts ML PRDs into the `prd.json` format used by ML-Ralph. --- ## The Job Take a PRD (markdown or text) and convert it to `prd.json` in the ML-Ralph directory. --- ## Output Format ```json { "project": "[Project Name]", "branchName": "ml-ralph/[feature-name-kebab-case]", "description": "[Short description]", "userStories": [ { "id": "US-001", "title": "[Story title]", "description": "As a [role], I want [outcome] so that [benefit].", "type": "discovery | experiment | evaluation | implementation | ops", "hypothesis": "[Optional hypothesis]", "evidenceRequired": "[Required evidence to log]", "acceptanceCriteria": [ "Criterion 1", "Criterion 2", "Ruff check passes", "Ruff format passes", "Mypy passes", "Pytest passes (if tests exist)", "Evidence logged in progress.jsonl" ], "priority": 1, "passes": false, "notes": "", "supersededBy": "", "risk": "" } ] } ``` --- ## Story Size: The Number One Rule Each story must be completable in **one iteration**. If you cannot describe the change in 2-3 sentences, split it. --- ## Story Ordering: Dependencies First Order stories so earlier ones unlock later ones: 1. Discovery/evaluation scaffolding 2. Baseline experiments
- The Job
- Output Format
- Story Size: The Number One Rule
- Story Ordering: Dependencies First
- Acceptance Criteria Rules
- Conversion Rules
- Dynamic Backlog Note
What does the ralph skill do?
Convert an ML PRD into prd.json for ML-Ralph. Use when you have an ML PRD and need prd.json. Triggers on: convert this prd, turn this into ml-ralph format, create prd.json from this, ralph json.
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill ralph-joaquincampo-ml-ralph --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From majiayu000/claude-skill-registry, a repository with 534 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.