Add the marketplace
/plugin marketplace add piercelamb/deep-planInstall plugins
/pluginRun these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.
Split vague project requirements into well-scoped units for /deep-plan
Implement code from /deep-plan sections with TDD, code review, and git workflow
AI-assisted deep planning with research, interview, external LLM review, and TDD approach