creating-skills
Guides creation of effective Agent Skills with proper structure and validation.Use when users want to create a new skill, update an existing skill, or needguidance on skill design patterns, SKILL.md format, or verify.py implementation.NOT when just using existing skills (use those skills directly).
Third-Party Agent Skill: Review the code before installing. Agent skills execute in your AI assistant's environment and can access your files. Learn more about security
Installation for Agentic Skill
View all platforms →skilz install mjunaidca/mjs-agent-skills/creating-skillsskilz install mjunaidca/mjs-agent-skills/creating-skills --agent opencodeskilz install mjunaidca/mjs-agent-skills/creating-skills --agent codexskilz install mjunaidca/mjs-agent-skills/creating-skills --agent geminiFirst time? Install Skilz: pip install skilz
Works with 22+ AI coding assistants
Cursor, Aider, Copilot, Windsurf, Qwen, Kimi, and more...
Extract and copy to ~/.claude/skills/ then restart Claude Desktop
git clone https://github.com/mjunaidca/mjs-agent-skillscp -r mjs-agent-skills/.claude/skills/creating-skills ~/.claude/skills/Need detailed installation help? Check our platform-specific guides:
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Agentic Skill Details
- Repository
- mjs-agent-skills
- Stars
- 1
- Forks
- 2
- Type
- Non-Technical
- Meta-Domain
- development
- Primary Domain
- github
- Market Score
- 17
Agent Skill Grade
B Score: 84/100 Click to see breakdown
Score Breakdown
Areas to Improve
- Missing TOC for 253-line file
- Second-person voice violations
- Redundant explanations
Recommendations
- Address 1 high-severity issues first
- Add trigger phrases to description for discoverability
- Add table of contents for files over 100 lines
Graded: 2026-01-24
Developer Feedback
I was curious how you approached the skill creation workflow—there's a lot of implicit knowledge that's hard to document, but your rubric breaks it down in a way that actually makes sense for builders.
Links:
The TL;DR
You're at 84/100, solid B-grade territory. This is graded against Anthropic's skill architecture standards—specifically how well you structure information layering, discoverability, and practical utility. Your strongest area is actually Utility (18/20)—the skill solves real problems with good feedback loops. Weakest is Spec Compliance (12/15), mainly because your description only includes 1-2 trigger phrases when it could be more specific.
What's Working Well
- Reference architecture is chef's kiss—you're using the references/ directory exactly right (design-patterns.md, skill-activation.md, two-stage-review.md) to keep SKILL.md focused. That's the PDA sweet spot most skills miss.
- Discoverability is tight—"Use when: create skill, update skill, SKILL.md format, verify.py" in your description means agents will actually activate this at the right time. Trigger terms are specific, not vague.
- Verification workflow actually loops—Step 6 includes iteration (run→check→fix), and you reference verify.py for diagnostics. That's a feedback loop that actually works instead of just "here's a checklist."
The Big One: Missing Complete End-to-End Example
This is what's costing you the most utility points (could gain ~3 points here). Right now you have scattered examples—frontmatter format at lines 184-198, skill anatomy at lines 51-62—but no complete working skill example showing all pieces together.
A builder reading this needs to see: "Here's a real, minimal skill with SKI...
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