Create skills, subagents, hooks, commands, and plugins for Claude Code
/plugin marketplace add alexanderop/claude-code-builder
/plugin install claude-code-builder@alexanderop/claude-code-builder
Create a new custom subagent (skill) for specialized tasks with proper configuration and system prompts.
Generate properly structured slash command files for Claude Code.
Create and configure Claude Code hooks with reference documentation and interactive guidance.
Generate CLAUDE.md files for project and key subdirectories
Generate custom output style files for Claude Code with proper structure and YAML frontmatter.
Convert a project into a Claude Code plugin
Generate a new Claude Skill with proper structure and YAML frontmatter using official documentation as reference
Easily create hooks to prevent unwanted behaviors by analyzing conversation patterns
Adds educational insights about implementation choices and codebase patterns (mimics the deprecated Explanatory output style)
Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.
Frontend design skill for UI/UX implementation