Do I need to manually write manifest JSON files?

No, Plugin Builder provides interactive scripts and templates to generate valid, schema-compliant plugin.json and marketplace.json files automatically.

How much time does Plugin Builder save?

By automating the manual setup and validation process, it reduces plugin creation time from 2-4 hours down to approximately 15-30 minutes.

Does it validate my plugin structure?

Yes, it includes a validation engine that checks your plugin against the 2025 schema requirements to ensure compatibility with Claude Code.

Can I use this for private team skills?

Yes, Plugin Builder is specifically designed to help create private marketplaces and share custom skill collections securely within your organization.

What is a Claude Code plugin?

A plugin is a distributable package that extends Claude Code with custom skills, commands, agents, and hooks, typically shared via Git-based marketplaces.

Plugin Builder

Name: Plugin Builder
Author: adaptationio

byadaptationio

0•

デプロイメントとDevOps

Automates the creation, validation, and distribution of Claude Code plugins and skill marketplaces.

Plugin Builder is a comprehensive toolkit designed to streamline the lifecycle of Claude Code extensions. It enables developers to quickly scaffold plugin directories, generate schema-compliant manifests, and package individual skills into distributable formats. By automating repetitive tasks like structure validation and marketplace configuration, it ensures that your custom capabilities are ready for team sharing or community distribution in minutes, adhering to the latest 2025 Claude Code standards.

主な機能

010 GitHub stars

02Generates valid, schema-compliant plugin.json and marketplace.json manifests

03Packages existing standalone skills into installable plugin formats

04Scaffolds complete plugin directory structures with standard boilerplates

05Validates plugin integrity against the 2025 Claude Code schema

06Automates the setup of Git-based marketplaces for organizational distribution

ユースケース

01Converting a collection of individual skills into a shareable team plugin

02Establishing a private organizational marketplace for internal developer tools

03Verifying plugin metadata and structure before publishing to a marketplace

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add adaptationio/skrillz plugin-builder

For use in Claude.ai and ChatGPT

Download Skill