promptcraft
Use when user asks to "create a skill", "make a command", "generate a prompt", "write a slash command", "build a Claude extension", or needs help crafting optimized skills and commands with proper frontmatter.
npx skills add majiayu000/claude-skill-registry --skill promptcraft --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.
# Skill & Command Generator Generate well-structured skills or slash commands. Both are markdown files with YAML frontmatter—they share the same structure but differ in how they're triggered and described. ## Phase 0: Fetch Current Documentation **Before generating**, retrieve the latest documentation: ``` Use Task tool with subagent_type=claude-code-guide: "List all current frontmatter options for skills and commands, including any execution modifiers, model selection, and structural options." ``` Integrate findings into your generation process. Documentation evolves—don't assume you know all options. ## Context Engineering Every token counts. LLM context is finite. Goal: smallest possible set of high-signal tokens that maximize outcomes | Do | Don't | |---|---| | "Validate input before processing" | "You should always make sure to validate..." | | "Use grep to search" | "You might want to consider using..." | | Bulleted constraints | Paragraphs with buried requirements | | Imperative voice ("Analyze") | First person ("I will analyze") | **Progressive discovery:** Core instructions in main file, details in `references/` subdirectory. Just-in-time information > front-loaded context
- Phase 0: Fetch Current Documentation
- Context Engineering
- Degrees of Freedom
- Phase 1: Understand Requirements
- Phase 2: Generate
- Common Frontmatter Options
- Description Patterns
- Body Structure
- Dynamic Content
- Progressive Disclosure
- Execution Modifiers
- Tool Selection
- Before Finalizing
- Explain Your Choices
What does the promptcraft skill do?
Use when user asks to "create a skill", "make a command", "generate a prompt", "write a slash command", "build a Claude extension", or needs help crafting optimized skills and commands with proper frontmatter.
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill promptcraft --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.