Ralph Once - Single Feature Implementation Cycle
SkillDocs & knowledgeWork on a single highest-priority feature from current_ documents, test it, update docs, and commit
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Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Ralph Once - Single Feature Implementation Cycle skill
What this skill tells your AI
The instructions your AI receives, as published by sterlingcrispin/claude_slash_commands in ralphonce/SKILL.md and read by ahel’s review.
You are about to execute a focused, single-feature development cycle. Follow these steps precisely:
Step 1: Read Current Documents
Find and read ALL files in the current project that start with current_ (e.g., current_PROGRESS.md, current_PRD.json, or for example current_SYSTEM-PLAN.md, or any other `current_* files could be .txt , .json , .md or other). These contain the project roadmap, PRD, and progress tracking.
Step 2: Identify the Highest Priority Feature
After reading all current_* documents, YOU decide which single feature has the highest priority. Consider:
- Dependencies (what must be built before other things can work)
- Foundation vs polish (infrastructure before features)
- Blocking issues (what's preventing progress)
- Stage progression (complete earlier stages before later ones)
Do NOT just pick the first item in a list. Use your judgment about what will provide the most value or unblock the most work.
Announce your choice and briefly explain WHY you chose it before proceeding.
Step 3: Implement the Feature
Work on ONLY this single feature. Do not scope creep. Do not "also fix" other things. Stay focused.
Step 4: Test the Feature
- If tests exist for this feature area, run them and ensure they pass
- If no tests exist, write appropriate tests for the feature you just implemented
- All tests must pass before proceeding
Step 5: Update the PRD
Find the current_* document that serves as the PRD/plan (likely current_PRD.md or similar). Update it to reflect:
- Mark the completed item as done (change
"passes": falseto"passes": true]if using that or change "done" to true) - Note any design decisions made during implementation
- Update any sections that are now outdated
Step 6: Append to Progress File
Find current_PROGRESS.md (or the equivalent progress journal tracking file). Append a new entry to the Session Log with:
- Today's date
- What feature was implemented
- Key implementation details
- Any issues encountered and how they were resolved
- What tests were added/run
Step 7: Git Commit
Stage and commit all changes with a clear commit message describing the feature implemented.
Do NOT push unless explicitly asked.
CRITICAL RULES
- ONE FEATURE ONLY - Do not work on multiple features. Stop after completing one feature cycle.
- TESTS REQUIRED - Do not skip testing. Either run existing tests or write new ones.
- DOCUMENT EVERYTHING - The progress file is your memory between sessions. Be thorough.
- COMMIT ATOMICALLY - Each /ralphonce invocation should result in exactly one focused commit.
Signals
- GitHub stars
- 200
- Forks
- 18
- Last commit
- Mar 2026
Advanced
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ralphonce- Source
- github.com/sterlingcrispin/claude_slash_commands