skill-creator

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.

1.07x

Quality

70%

Does it follow best practices?

Impact

96%

1.07x

Average score across 3 eval scenarios

Securityby

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./skills/coding-agents-and-ides/skill-creator/SKILL.md

Evaluation results

100%

18%

Build a PDF Rotation Skill

New skill creation with init and packaging scripts

Criteria

Without this skill

With this skill

Used init_skill.py

100%

Used package_skill.py

100%

.skill file exists

100%

Rotation script in scripts/

100%

SKILL.md frontmatter has name and description

100%

When-to-use in frontmatter description

100%

No when-to-use section in body

100%

Imperative/infinitive form

75%

100%

No extra documentation files

100%

Script referenced in SKILL.md

100%

No other frontmatter fields

100%

Design a Database Migration Skill

Low-freedom skill design for a fragile sequential workflow

Criteria

Without this skill

With this skill

Script(s) in scripts/

100%

Script referenced in SKILL.md

100%

Sequential steps visible in SKILL.md

100%

Frontmatter name and description

100%

When-to-use in description

100%

No 'When to Use' section in body

100%

Imperative/infinitive form

100%

No extra documentation files

100%

Low-freedom design justified

100%

SKILL.md is concise

100%

No other frontmatter fields

100%

90%

Refactor an Overstuffed Skill

Progressive disclosure refactor of an overgrown skill

Criteria

Without this skill

With this skill

SKILL.md under 500 lines

100%

Domain content in references/

100%

No 'When to Use' in body

No schema duplication

100%

References linked with when-to-read

78%

100%

No extra documentation files

100%

Description has when-to-use

100%

Lean SKILL.md body

100%

refactor-notes.md created

100%

Original not modified

100%

Repository: eigent-ai/agent-skills
Path: skills/coding-agents-and-ides/skill-creator/SKILL.md
Commit: 9be8efc

Evaluated: 3 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Build a PDF Rotation Skill Refactor an Overstuffed Skill Design a Database Migration Skill

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.