skill-development

This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices for Claude Code plugins.

1.60x

Quality

53%

Does it follow best practices?

Impact

93%

1.60x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./plugins/plugin-dev/skills/skill-development/SKILL.md

Evaluation results

84%

42%

Add an Airflow DAG Development Skill to the Data Platform Plugin

Plugin skill structure and frontmatter quality

Criteria

Without context

With context

Plugin mkdir command

20%

80%

SKILL.md frontmatter name

100%

Description third-person

100%

Specific trigger phrases

100%

Imperative body writing

100%

Lean SKILL.md body

100%

References/ file created

100%

Additional Resources section

40%

100%

No SKILL.md duplication

100%

60%

Script in scripts/

100%

16%

Refactor the Analytics Plugin Skill for Quality and Usability

Writing style and progressive disclosure refactoring

Criteria

Without context

With context

Description third-person

100%

Trigger phrases added

66%

100%

Second-person removed

100%

Schema moved to references/

100%

SKILL.md body is lean

100%

References section in SKILL.md

100%

Schema content preserved

100%

No schema duplication

100%

95%

45%

Build a REST API Development Skill for the Acme Engineering Plugin

Skill resource type planning and progressive disclosure design

Criteria

Without context

With context

API standards in references/

100%

Test script in scripts/

100%

Error template in assets/

100%

Quick-reference in SKILL.md

100%

Plugin mkdir command

37%

Description third-person

100%

Trigger phrases present

100%

Imperative writing style

100%

All resources referenced

80%

100%

No SKILL.md bloat

100%

Repository: anthropics/claude-plugins-official
Commit: 48aa435

Evaluated: about 1 month ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Add an Airflow DAG Development Skill to the Data Platform Plugin Refactor the Analytics Plugin Skill for Quality and Usability Build a REST API Development Skill for the Acme Engineering Plugin

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