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Skillzwave

skill-creator

17.3
C

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Also in: testing ci cd data analysis

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Installation for Agentic Skill

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skilz install mjunaidca/mjs-agent-skills/skill-creator
skilz install mjunaidca/mjs-agent-skills/skill-creator --agent opencode
skilz install mjunaidca/mjs-agent-skills/skill-creator --agent codex
skilz install mjunaidca/mjs-agent-skills/skill-creator --agent gemini

First time? Install Skilz: pip install skilz

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Extract and copy to ~/.claude/skills/ then restart Claude Desktop

1. Clone the repository:
git clone https://github.com/mjunaidca/mjs-agent-skills
2. Copy the agent skill directory:
cp -r mjs-agent-skills/docs/taskflow-vault/skills/engineering/skill-creator ~/.claude/skills/

Need detailed installation help? Check our platform-specific guides:

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Agentic Skill Details

Type
Non-Technical
Meta-Domain
development
Primary Domain
github
Market Score
17.3

Agent Skill Grade

C
Score: 78/100 Click to see breakdown

Score Breakdown

Spec Compliance
12/15
PDA Architecture
22/30
Ease of Use
20/25
Writing Style
9/10
Utility
18/20
Modifiers: -3

Areas to Improve

  • No trigger phrases
  • File is 243 lines (>100 line threshold) but lacks a table of contents for navigation.
  • While templates exist, skill lacks concrete before/after examples showing what user requests trigger the skill and what the resulting skill looks like.

Recommendations

  • Add trigger phrases to description for discoverability
  • Add table of contents for files over 100 lines

Graded: 1/24/2026

Developer Feedback

I noticed skill-creator walks developers through building capabilities that extend Claude, but the Progressive Disclosure Architecture could be tightened—there's room to trim token usage without sacrificing clarity.

Links:

The TL;DR

You're at 78/100, solid C-grade territory. This is based on Anthropic's five-pillar rubric for agentic skills. Your strongest area is Writing Style (9/10)—the voice is clear and instructional. Weakest is Progressive Disclosure Architecture (22/30)—the skill needs better token economy and navigation structure for a 243-line file.

What's Working Well

  • Terminology consistency is chef's kiss - You use "bundled resources," "scripts/," and "references/" uniformly throughout. No terminology conflicts.
  • Solid workflow structure - Six clear numbered steps (Understanding → Planning → Initializing → Editing → Packaging → Iterate) give developers a predictable path.
  • Good validation loops - The skill embeds validation throughout: quick_validate.py, package_skill.py, and an explicit iterate step that encourages testing and refinement.
  • Objective, instructional tone - No marketing fluff, purely functional voice. Every sentence earns its place.

The Big One: Missing Table of Contents

At 243 lines, your file exceeds the 100-line threshold where navigation becomes critical. Right now, users have to scroll or search to find sections.

Add a TOC at the top:

## Table of Contents
- [About Skills](#about-skills)
- [Skill Creation Process](#skill-creation-process)
  - [Step 1: Understanding](#step-1-understanding)
  - [Step 2: Planning](#step-2-planning)
  - [Step 3: Initializing](#step-3-initializing)
  - [Step 4: Editing](#step-4-editing)
  - [Step 5: Packaging](#step-5-packaging)
  - [Step 6: Iterate](#step-6-iterate)

This alone should net you +2 points in PDA (navigation signals), pushing you closer to 80.

Other Things Worth Fixing

  1. Description needs explicit trigger phrases - Your frontmatter says "when users want to create a new skill," but the spec requires trigger phrases like "when asked to 'create a skill'" or "when users request 'skill creator'." Add 2-3 explicit triggers to the description field. Impact: +2 points

  2. Add concrete input/output examples - You mention "clearly understand concrete examples," but your skill lacks a before/after showing how a user request becomes a finished skill. Add one worked example (e.g., "User wants PDF editor skill" → final SKILL.md structure). Impact: +1 point

  3. Tighten the domain table - The Anatomy of a Skill table (lines 52-60) is verbose for what amounts to a folder structure. Convert to a bullet list to save tokens without losing clarity. Impact: +1 point in token economy

  4. Fix second-person voice slips - Lines 125 and 127 slip into "you" instead of imperative form ("Can you give examples?" → "Request concrete usage examples."). Impact: +1 point in Writing Style

Quick Wins

  • Add TOC → +2 points (PDA)
  • Trigger phrases in description → +2 points (Spec Compliance)
  • One worked example → +1 point (Utility)
  • Convert table to bullets → +1 point (Token economy)

These four fixes are straightforward and could push you to 84/100 (solid B range).


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