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.

1.27x

Quality

76%

Does it follow best practices?

Impact

97%

1.27x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skill-creator/SKILL.md

Evaluation results

92%

30%

Skill Cleanup: Note-Taking Skill

SKILL.md authoring conventions

Criteria

Without context

With context

Third-person description

100%

No allowed-tools field

100%

Imperative writing style

100%

No version history section

100%

Informative reference filename

83%

100%

SKILL.md link updated

100%

No content duplication

33%

Skill name unchanged

100%

Issues documented

100%

23%

Multi-Skill Market Intelligence System

Inline vs fork skill architecture

Criteria

Without context

With context

Orchestrator is inline

100%

Specialist uses fork

100%

Orchestrator references Task tool

100%

Orthogonal concerns

100%

No allowed-tools in orchestrator

100%

No allowed-tools in specialist

100%

Third-person descriptions

100%

No manual capability flags

100%

Imperative writing style

100%

Design rationale documented

100%

18%

Preparing a Skill for the Marketplace

Skill packaging and marketplace distribution

Criteria

Without context

With context

No absolute paths

100%

No version history

100%

Reference file renamed

100%

SKILL.md link updated

100%

Missing script reference resolved

100%

marketplace.json exists

100%

marketplace.json required fields

50%

100%

Semver version

100%

Security scan documented

100%

Packaging step documented

100%

Repository: fernandezbaptiste/claude-code-skills
Commit: 4f0eae8

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

Table of Contents

Skill Cleanup: Note-Taking Skill Multi-Skill Market Intelligence System Preparing a Skill for the Marketplace

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