Cowork Plugin Builder

Overview

Cowork plugins extend Claude Desktop's autonomous execution with custom capabilities. This skill teaches you how to package CC Commander skills, hooks, and workflows as installable Cowork plugins.

Plugin Anatomy

Every Cowork plugin consists of three files:

my-plugin/
  manifest.json    # Plugin metadata, permissions, configuration
  handler.js       # Entry point -- receives events, returns results
  README.md        # Usage docs (optional but recommended)

manifest.json