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docx
This skill provides tools for creating, editing, and analyzing DOCX files through XML manipulation, pandoc conversion, and tracked change workflows. It offers specific guidance for different document tasks with clear decision trees and batch processing strategies for complex edits.
A comprehensive PDF processing guide covering essential operations with clear examples for text extraction, merging, splitting, and PDF creation using popular Python libraries.
Plugin Structure
Provides clear guidelines for structuring Claude Code plugins with directory layouts, manifest configuration, and component organization. Explains auto-discovery mechanisms and portable path references using ${CLAUDE_PLUGIN_ROOT} for cross-platform compatibility.
MCP Integration
Comprehensive guide for integrating MCP servers into Claude Code plugins with clear configuration examples, server type explanations, and security best practices.
connect
This skill connects Claude to 1000+ external apps like Gmail, Slack, and GitHub, enabling actual actions instead of just generating text. It handles OAuth flows automatically and provides clear setup instructions with multiple framework examples. The tool router intelligently selects the right integration for each request.
user-insight-synthesis
A comprehensive and expertly structured user research skill providing actionable frameworks for interview techniques, persona creation, journey mapping, and usability testing with clear guidance on method selection and execution.
polars
This skill provides comprehensive guidance for using Polars, a high-performance DataFrame library. It covers core concepts like lazy evaluation and expressions, common operations, I/O best practices, and performance optimization. The documentation includes practical examples for data filtering, grouping, and file handling with specific code snippets.
pytorch-lightning
Provides structured templates and best practices for PyTorch Lightning development, covering LightningModule organization, Trainer configuration, data pipelines, distributed training strategies, and common debugging patterns.
tailwind-patterns
Production-ready Tailwind CSS patterns for common website components: responsive layouts, cards, navigation, forms, buttons, and typography. Includes spacing scale, breakpoints, mobile-first patterns, and dark mode support. Use when building UI components, creating landing pages, styling forms, implementing navigation, or fixing responsive layouts.
plotly
This skill provides comprehensive guidance for using Plotly, a Python library for creating interactive data visualizations. It covers both high-level Plotly Express for quick charts and low-level graph objects for custom plots. The documentation includes 40+ chart types, export options, and integration with Dash for web apps.
theme-factory
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
testing-anti-patterns
This skill identifies and prevents common testing mistakes like testing mock behavior instead of real functionality, adding test-only methods to production code, and creating incomplete mock data. It provides concrete examples, detection rules, and fixes for each anti-pattern. The guidance helps developers write tests that verify actual behavior rather than mock implementation details.
backend-python-standards
Comprehensive Python backend development skill that enforces modern tooling standards with clear, actionable guidance for package management, testing, code quality, and documentation practices.
write-concept
Write or review JavaScript concept documentation pages for the 33 JavaScript Concepts project, following strict structure and quality guidelines
pymatgen
Provides comprehensive access to pymatgen's materials science toolkit through Claude. Handles crystal structure manipulation, file format conversion, phase diagram analysis, and Materials Project database queries. Includes practical examples for common workflows and clear installation instructions.
scientific-writing
This skill provides structured LaTeX templates and workflows for writing scientific manuscripts. It enforces IMRAD structure, citation formatting, and mandatory visual elements. The two-stage process (outline then prose) and detailed examples help researchers produce publication-ready documents with proper statistical reporting.
xlsx
This skill provides tools for creating, editing, and analyzing Excel files with a strong emphasis on formula usage over hardcoding. It includes specific workflows for financial modeling with color coding standards, number formatting rules, and mandatory formula recalculation via LibreOffice. The documentation clearly distinguishes between pandas for data analysis and openpyxl for Excel-specific features.
xlsx
This skill enables Claude to create, edit, and analyze Excel files with proper formulas and formatting. It provides clear workflows for financial modeling with color coding standards, prevents hardcoding by enforcing formula usage, and includes a recalculation script to verify formula correctness. The documentation covers common pitfalls and verification steps.
observability-design
Comprehensive observability reference guide covering essential patterns, SLI/SLO design, alerting strategies, and dashboard principles with practical examples and actionable advice.
brainstorming
A structured conversational assistant that guides developers from initial ideas to concrete software designs. It asks focused questions, proposes multiple approaches, and documents validated plans before implementation begins.
agent-browser
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
advanced-evaluation
This skill should be used when the user asks to "implement LLM-as-judge", "compare model outputs", "create evaluation rubrics", "mitigate evaluation bias", or mentions direct scoring, pairwise comparison, position bias, evaluation pipelines, or automated quality assessment.
buck2-rule-basics
An interactive tutorial skill that teaches Buck2 rule writing through hands-on practice. It guides users step-by-step from creating a simple text processing rule to understanding configurations, dependencies, and advanced patterns. Includes reference materials for deeper questions and emphasizes adaptive teaching.
astropy
This skill provides access to the Astropy Python library for astronomical data processing. It handles coordinate transformations, FITS file operations, cosmological calculations, unit conversions, and table manipulations. The documentation includes clear examples for common astronomy workflows like cross-matching catalogs and calculating distances.