plugin-dev

Validate, test, and package Claude Code plugins for marketplace distribution.

35|2|Updated Jan 12, 2026
One-click install
npx skills add https://github.com/spences10/claude-code-toolkit --skill plugin-dev-spences10
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: plugin-dev
Source: https://github.com/spences10/claude-code-toolkit/tree/main/plugins/toolkit-skills/skills/plugin-dev
Command: npx skills add https://github.com/spences10/claude-code-toolkit --skill plugin-dev-spences10

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps plugin developers ensure their Claude Code plugins and marketplaces are valid, well-tested, and ready for distribution by guiding validation, testing, and packaging workflows.

Core Features & Use Cases

  • End-to-end validation: verify marketplace and plugin schemas, catch common errors, and prepare distributions.
  • Local testing and packaging: simulate installation and release-ready packaging for GitHub or internal marketplaces.
  • Reference-guided debugging: access references for marketplace and plugin schemas to fix issues quickly.

Quick Start

Install, validate, and prepare a release-ready plugin package using the built-in commands and references.

Frequently Asked Questions about plugin-dev

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate a Claude Code plugin schema before publishing?▼

To validate a Claude Code plugin schema, run the built-in validation commands to check marketplace and plugin schemas, catch common errors, and verify your distribution is publish-ready. The skill provides reference-guided debugging to fix issues quickly.

What is the best way to test Claude Code plugins locally before release?▼

The best way to test Claude Code plugins locally is to simulate installation processes using the skill's local testing and packaging commands. This ensures your plugin is release-ready and functional before pushing to GitHub or internal marketplaces.

How does plugin distribution work for Claude Code marketplaces?▼

Plugin distribution for Claude Code marketplaces involves packaging your validated plugin and deploying it to GitHub or internal repositories. The skill guides end-to-end packaging workflows to ensure correct, publish-ready distributions across target platforms.

Can I use this skill to package plugins for internal repositories?▼

Yes, you can use this skill to package plugins for internal repositories. It supports release-ready packaging for both GitHub and internal marketplaces, verifying schemas and simulating installations to ensure correct distribution.

Why does my Claude Code plugin fail marketplace validation?▼

Your Claude Code plugin fails marketplace validation due to common schema errors. The skill provides reference-guided debugging and access to marketplace and plugin schema references to help you identify and fix these issues quickly.

Do I need to validate plugin schemas separately for different marketplaces?▼

Yes, you need to validate plugin schemas to ensure compatibility across different marketplaces. The skill covers both marketplace and plugin schemas, providing step-by-step commands to verify correctness and prepare distributions for each target platform.