cc-toolkit
Unified Claude Code plugin marketplace for development workflows, scientific content creation, and document processing.
Overview
cc-toolkit is a modular plugin marketplace following the official Claude Code plugin system. Each plugin is self-contained and can include skills, agents, hooks, and commands.
Repository Structure
cc-toolkit/
├── .claude-plugin/
│ └── marketplace.json # Plugin registry
├── dev-skills/ # Development workflow plugin
│ ├── .claude-plugin/
│ │ └── plugin.json
│ └── skills/
│ ├── problem-solving-cycle/
│ └── step-workflow/
├── creator-skills/ # Scientific content creation plugin
│ ├── .claude-plugin/
│ │ └── plugin.json
│ └── skills/
│ ├── sci-figure-format/
│ └── sci-slides/
├── doc-skills/ # Document processing plugin
│ ├── .claude-plugin/
│ │ └── plugin.json
│ ├── skills/
│ │ ├── docling-pdf/
│ │ └── paper-rename/
│ └── agents/
│ ├── paper-reader.md
│ └── paper-consolidator.md
├── core-hooks/ # Safety and workflow hooks plugin
│ ├── .claude-plugin/
│ │ └── plugin.json
│ ├── hooks/
│ │ └── hooks.json
│ └── scripts/
│ ├── safety_guard.py
│ ├── pre_git_hook.py
│ ├── post_tool_use.py
│ └── system_notification.py
├── productivity-skills/ # Personal productivity plugin
│ ├── .claude-plugin/
│ │ └── plugin.json
│ └── skills/
│ ├── calendar-manager/
│ └── reminder-manager/
└── pymol-skills/ # PyMOL molecular visualization plugin
├── .claude-plugin/
│ └── plugin.json
├── skills/
│ └── pymol-mcp/
└── commands/
└── setup.md
Available Plugins
Development Skills (dev-skills)
Development workflow automation and systematic problem-solving.
Skills:
- problem-solving-cycle: Systematic development workflow from brainstorming to PR merge, including issue creation, branch management, and cleanup
- step-workflow: Step-based file naming and folder organization using numbered prefixes (01_, 02_, 03_) for clear workflow order
Creator Skills (creator-skills)
Scientific content creation for figures and presentations.
Skills:
- sci-figure-format: Publication-quality scientific figure formatting for major journals (Nature, Science, ACS, RSC)
- sci-slides: Academic presentation slide creation for STEM fields
Document Skills (doc-skills)
Document processing and AI-accessible content extraction.
Skills:
- docling-pdf: PDF to markdown conversion using IBM's Docling library
- paper-rename: Intelligent PDF renaming based on extracted titles and metadata
Agents:
- paper-reader: Analyzes research papers and answers questions about content
- paper-consolidator: Consolidates multiple paper analysis outputs into unified reports
Core Hooks (core-hooks)
Safety guards and workflow enforcement hooks.
Hooks:
- safety_guard.py: Blocks dangerous
rm commands and .env file access
- pre_git_hook.py: Enforces branch naming conventions, blocks bulk
git add, prevents Claude attribution in commits
- post_tool_use.py: Logs tool executions to
logs/post_tool_use.json
- system_notification.py: Plays sound notifications on task completion
Productivity Skills (productivity-skills)
Personal productivity automation using macOS Calendar and Reminders.
Skills:
- calendar-manager: Manage macOS Calendar events via EventKit CLI
- reminder-manager: Manage macOS Reminders via EventKit CLI
PyMOL Skills (pymol-skills)
PyMOL molecular visualization control via MCP server.
Skills:
- pymol-mcp: Control PyMOL through natural language for protein visualization and structural analysis
Commands:
- /pymol-skills:setup: Installation instructions for PyMOL socket plugin
Plugin System Benefits
- Modular: Each plugin is self-contained and portable
- Scalable: Easy to add new skills, agents, hooks, or commands to any plugin
- Standard: Follows official Claude Code plugin system architecture
- Maintainable: Clear separation of concerns between plugins
- Shareable: Individual plugins can be distributed independently
Usage
As a Marketplace
Install the entire marketplace by linking to this repository in your Claude Code configuration.
Individual Plugins
Each plugin can be used independently by referencing its directory:
./dev-skills./creator-skills./doc-skills./core-hooks./productivity-skills./pymol-skills
