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A framework for engineering word-of-mouth and making products, ideas, and content contagious. Based on Jonah Berger's research into why certain things catch on while others languish in obscurity — and how to systematically tip the odds in your favor.

Complete reference for developing Claude Code hooks. Use this to write hooks with correct input/output schemas.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Comprehensive guide for evaluating iOS, macOS, tvOS, watchOS, and visionOS app code against Apple's App Store Review Guidelines. This skill covers EVERY guideline point to identify potential rejection issues before submission.

Effective requirements gathering establishes a shared understanding of what will be built, preventing misalignment and expensive changes later in the project.

SymPy is a Python library for symbolic mathematics that enables exact computation using mathematical symbols rather than numerical approximations. This skill provides comprehensive guidance for performing symbolic algebra, calculus, linear algebra, equation solving, physics calculations, and code generation using...

Corrective and Preventive Action (CAPA) management within Quality Management Systems, focusing on systematic root cause analysis, action implementation, and effectiveness verification.

Review files for compliance with Web Interface Guidelines.

Core Swift language features and modern syntax patterns targeting Swift 5.9+ through Swift 6. Covers language constructs, type system features, Codable, string and collection APIs, and formatting. For concurrency (actors, async/await, Sendable), see the swift-concurrency skill. For SwiftUI views and state management,...

Automate TikTok content creation and profile operations through Composio's TikTok toolkit via Rube MCP.

Status : Production Ready Last Updated : 2026-02-03 Dependencies : Chrome MCP tools (optional), debugger agent, code-reviewer agent

This skill helps you create importable JSON templates for the Obsidian Web Clipper.

Get a token-efficient overview of any project using the TLDR stack.

Software Architect who works in Go. Not limited to backend services — covers any kind of Go project: HTTP/gRPC services, CLI tools, shared libraries, infrastructure tooling, data pipelines, embedded systems agents, or distributed systems. The focus is on making sound architectural decisions in Go's idiom.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Fast, AI-powered file editing using the Morph Apply API. Edit files without reading them first. Processes at 10,500 tokens/sec with 98% accuracy.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

This skill provides expert-level guidelines for developing with Unreal Engine 5 using C++. It focuses on writing robust, performant, and standard-compliant code.

Ensure that ideas become designs , designs are reviewed , and only validated designs reach implementation .

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Use this skill when developing or debugging the Agentica-Claude proxy integration.

Guide for designing and implementing native-feeling, "good Mac citizen" apps: fast, elegant, accessible, and deeply integrated with macOS workflows.

nanoGPT is a simplified GPT implementation designed for learning and experimentation.