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extension-authoring

Comprehensive guide for authoring Claude Code extensions including skills (SKILL.md), hooks, slash commands, and subagents. Use when: creating skills, writing hooks, making slash commands, building subagents, learning Claude Code extensions.

Packaged view

This page reorganizes the original catalog entry around fit, installability, and workflow context first. The original raw source lives below.

Stars
6
Hot score
82
Updated
March 20, 2026
Overall rating
C1.1
Composite score
1.1
Best-practice grade
F39.6

Install command

npx @skill-hub/cli install scientiacapital-skills-extension-authoring-skill

Repository

scientiacapital/skills

Skill path: active/extension-authoring-skill

Comprehensive guide for authoring Claude Code extensions including skills (SKILL.md), hooks, slash commands, and subagents. Use when: creating skills, writing hooks, making slash commands, building subagents, learning Claude Code extensions.

Open repository

Best for

Primary workflow: Write Technical Docs.

Technical facets: Full Stack, Tech Writer.

Target audience: Development teams looking for install-ready agent workflows..

License: Unknown.

Original source

Catalog source: SkillHub Club.

Repository owner: scientiacapital.

This is still a mirrored public skill entry. Review the repository before installing into production workflows.

What it helps with

  • Install extension-authoring into Claude Code, Codex CLI, Gemini CLI, or OpenCode workflows
  • Review https://github.com/scientiacapital/skills before adding extension-authoring to shared team environments
  • Use extension-authoring for development workflows

Works across

Claude CodeCodex CLIGemini CLIOpenCode

Favorites: 0.

Sub-skills: 0.

Aggregator: No.

extension-authoring | SkillHub