Configure git auth for installing Claude Code plugins from private GitHub repos. Guides PAT creation, Codespace secret storage, and git URL rewriting when /plugin marketplace add fails with 403 or HTTPS auth errors.
Installation
1
Add the marketplace
/plugin marketplace add reggiechan74/cc-plugins
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.