Skills

PDF manipulation skill for Claude Code that enables form filling, document merging, data extraction, and image conversion, bringing Claude desktop's document capabilities to the command line for scripts and CI/CD pipelines.

A skill for polishing and refining code quality, part of the Casper Studios dev-toolkit plugin suite for workflow automation.

Modernizes React applications by upgrading versions, migrating class components to hooks, and adopting concurrent React features.

Automates SQLMap database vulnerability scanning and penetration testing workflows, generating targeted SQL injection attack scripts and analysis reports.

System design framework skill for designing scalable distributed systems covering load balancing, caching, database scaling, message queues, and back-of-the-envelope estimation.

Proactively identifies, analyzes, and prioritizes security threats using advanced methodologies like STRIDE and attack trees for comprehensive system risk assessment.

ToolUniverse is an MCP server from Harvard MIMS providing access to a collection of AI tools via a standardized protocol for Claude Code and other agents.

Comprehensive UI/UX design reference database with 50+ styles, 21 color palettes, 50 font pairings, 20 chart types, and stack-specific best practices for React, Next.js, Vue, Svelte, SwiftUI, Flutter, and more.

Guides Vercel AI SDK v6 implementation patterns including streaming, tool calling, structured output, useChat hook, embeddings, middleware, and MCP integration.

A collection of full-stack development skills for AI coding assistants, covering frontend, backend, and DevOps best practices.

An opinionated TDD-first project initialization system for Claude Code with iterative loops, security-first approach, and AI-native development patterns.

Implements API versioning strategies including URL path and header versioning, backward compatibility techniques, deprecation strategies, and migration planning for REST, GraphQL, and gRPC services.

App marketing context skill from ASO Skills suite. Provides strategic context for mobile app marketing campaigns.

ArkTS syntax assistant skill for HarmonyOS and OpenHarmony development, covering ArkTS syntax reference, TypeScript migration, performance optimization, compile errors, state management, and component development

Attio CRM skill from Casper Studios marketplace, a collection of Claude Code plugins for business automation, data analysis, and productivity including consulting project management.

Battle-tested Claude Code skills, commands, and references for modern Apple platform development with Swift 6, SwiftUI, Liquid Glass, Apple Intelligence, and more.

Battle-tested Claude Code skills, commands, and references for modern Apple platform development with Swift 6, SwiftUI, Liquid Glass, Apple Intelligence, and more.

Apple Foundation Models API reference and integration patterns from Axiom, a battle-tested Claude Code skill collection for modern xOS development with Swift 6, SwiftUI, and Liquid Glass

Battle-tested Claude Code skills, commands, and references for modern Apple platform development with Swift 6, SwiftUI, Liquid Glass, Apple Intelligence, and more.

Provides StoreKit reference documentation for in-app purchases, subscriptions, and payment processing in Apple xOS apps, from Axiom, a battle-tested Claude Code skill collection for modern xOS development.

Optimizes C code for performance, memory efficiency, and system programming with expert-level best practices and rigorous validation.

A large collection of Claude Code skill templates sponsored by Z.AI, providing ready-to-use development skill configurations across various domains.

A skill for managing git commits with structured messages, part of the Casper Studios dev-toolkit plugin suite for workflow automation.

A collection of Claude Code skills for tasks like code review, security analysis, and development best practices, each providing structured expert guidance.

A comprehensive .NET development plugin for Claude Code with 30 skills and 5 specialized agents. Covers battle-tested patterns for C#, Akka.NET, Aspire, EF Core, testing, and performance optimization from production systems.

An open-source, modern ChatGPT/LLM UI framework with speech synthesis, multi-modal support, and extensible plugin system for deploying private chat applications.

A collection of Claude Code skills for tasks like code review, security analysis, and development best practices, each providing structured expert guidance.

Guidelines for building robust APIs with Express.js and TypeScript, covering middleware patterns, routing, project structure, Zod runtime validation, error handling, and security best practices. Follows functional programming patterns with async/await and the RO-RO parameter pattern.

A professional Claude Code plugin marketplace covering the complete software development lifecycle with focused, production-ready plugins.

Firecrawl web scraping skill from Casper Studios, a collection of Claude Code plugins for business automation and data analysis.