What validation checks does it perform?

The skill verifies directory structure, JSON schema validity, markdown frontmatter, script executability, and checks for naming collisions within the repository.

Does it handle marketplace integration?

Yes, it automatically updates marketplace.extended.json and runs sync scripts to ensure your new plugin is correctly indexed in the CLI catalog.

What plugin types does the Plugin Creator support?

It supports Commands, Agents, Skills, MCP (Model Context Protocol), and Full Plugins that combine multiple extension types into one package.

Can I use it for custom plugin categories?

Absolutely. During the requirement gathering phase, you can specify categories such as security, devops, productivity, or any custom domain.

Plugin Creator

Name: Plugin Creator
Author: jeremylongshore

byjeremylongshore

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884

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Developer Tools

Automates the scaffolding and marketplace integration of new Claude Code plugins, agents, and skills with standardized directory structures and validation.

The Plugin Creator skill streamlines the development lifecycle for Claude Code extensions by providing automated scaffolding for various plugin types, including commands, agents, skills, and MCP integrations. It ensures every new plugin adheres to the repository's strict structural requirements, generates essential boilerplate files like plugin.json and READMEs, and handles complex marketplace catalog syncing and validation. This tool is essential for developers looking to contribute to the Claude Code ecosystem with professional-grade, validated components without the overhead of manual setup.

Key Features

01Dynamic generation of plugin.json and README.md with proper schemas

02Pre-configured boilerplate for TypeScript-based MCP development

03Automated scaffolding for Commands, Agents, Skills, and MCP plugins

04Built-in validation for JSON syntax, frontmatter, and file permissions

05Seamless integration with marketplace catalogs and automated syncing

06884 GitHub stars

Use Cases

01Scaffolding a complex Model Context Protocol (MCP) plugin with full SDK setup

02Rapidly generating a new productivity command plugin from a template

03Ensuring new contributions meet marketplace validation standards before submission

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills plugin-creator

For use in Claude.ai and ChatGPT

Download Skill