Skill for building and packaging custom MCP servers as Claude Desktop Extension bundles (.mcpb). Guides you through scaffolding, manifest.json spec 0.3, mcpb CLI, and team distribution.
Installation
1
Add the marketplace
/plugin marketplace add p3nj/p3nj-market
2
Install plugins
/plugin
Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.