Why are trigger keywords important in these templates?

Trigger keywords in the SKILL.md frontmatter help Claude understand when to activate specific capabilities based on the user's intent and project context.

What is the builder pattern in Claude Code plugins?

It is a modular approach where components like skills, commands, and agents are developed as self-contained modules and tied together via a central plugin.json manifest.

Can I use these patterns for MCP server integration?

Yes, the SDK patterns include specific templates for mcp-servers/servers.json to help you integrate Model Context Protocol servers into your plugin.

What is the anatomy of a standard Claude Code plugin?

A standard plugin includes a plugin.json manifest, a README, and organized subdirectories for skills, commands, agents, and optional lifecycle hooks or MCP servers.

How does this skill help with plugin consistency?

It provides standardized Markdown templates and directory structures, ensuring that all plugins have a predictable developer experience and follow the same quality standards.

Plugin SDK Patterns

Name: Plugin SDK Patterns
Author: MadAppGang

byMadAppGang

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230

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Developer Tools

Standardizes Claude Code plugin development using unified templates and builder patterns for consistent, professional architecture.

Plugin SDK Patterns provides a comprehensive framework for developers to build professional-grade Claude Code plugins. By offering standardized templates for manifests, skills, commands, and agents, it ensures that new extensions follow a predictable anatomy and industry best practices. Whether you are designing complex plugin architectures or standardizing a new tool, this skill implements a modular builder pattern that simplifies maintenance, improves discoverability, and enhances the overall developer experience within the Claude Code ecosystem through structured role definitions and clear lifecycle integration points.

Key Features

01Modular builder pattern for composable skills, commands, and autonomous agents.

02Standardized lifecycle hook and MCP server configuration frameworks.

03Comprehensive best practice guides for error handling, validation, and tool usage.

04230 GitHub stars

05Unified templates for plugin manifests (plugin.json) and component documentation.

06Structured 'Role-Identity-Mission' patterns for defining AI behavior and constraints.

Use Cases

01Designing complex multi-agent systems with clear boundaries and shared conventions.

02Bootstrapping new Claude Code plugins with a consistent, production-ready directory structure.

03Refactoring existing AI utilities into a standardized and maintainable plugin format.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add madappgang/claude-code plugin-sdk-patterns

For use in Claude.ai and ChatGPT

Download Skill