MCP App StoreMCP App StoreSKILL.md packages that extend Claude Code, Cursor, Copilot, and other AI agents.
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foldkit
Generate a complete, idiomatic Foldkit application from a natural language description; scaffolds structure, conventions, and quality checks.
claude-spellbook
Structured, end-to-end guidance for designing scalable, reliable systems: requirements, capacity estimation, architecture, and failure-mode planning.
ai-helpers
Run a six-specialist reviewer panel on an Architectural Decision Record (ADR) and produce a consolidated PDF report and PPTX slide deck to surface risks, recomm
nemotron
Reference knowledge base for NVIDIA Nemotron 3 Super: architecture, training stages (pretrain/SFT/RL), evaluation, and deployment notes for factual questions.
factory-plugins
Generate a comprehensive, interconnected repository wiki (markdown) by surveying the codebase and producing topic pages for contributors.
drawio-skill
Generate professional draw.io (.drawio) diagrams from natural language and export to PNG/SVG/PDF using the draw.io desktop CLI.
std
An arena-first C++ design philosophy: use a single ObjPool to own related objects, favour interface pointers, and prefer pool-allocated containers for predictab
get_it
Practical, opinionated guidance for using get_it (Dart/Flutter) — registration patterns, scopes, async init, retrieval, testing, and production best practices.
audit-flow
Interactive system flow tracing with SQLite persistence and Mermaid export for security audits, debugging, architecture reviews and post-mortems.
bk-ci
Practical guide to design patterns used in the BK-CI project (Kotlin/Spring). Covers factory, strategy, singleton, decorator, observer, template method, chain-o
dotfiles
Audit code architecture and maintainability to find unnecessary complexity, misplaced abstractions, duplication, and high-impact refactoring opportunities.
ai-agents
Structured multi-step codebase analysis producing prioritized findings with file:line evidence for architecture, security and quality reviews
citadel
Generate a complete application or add features to an existing codebase from a single natural-language description, with tiered workflows, PRD/architecture chec
claude-skill-registry
Opinionated SOLID-guidance for Laravel 12 / PHP 8.5 projects: file-size rules, interface separation, PHPDoc requirements, pattern decision trees and templates.
comeonoliver
Practical guide to dependency injection patterns in Go: manual constructor injection, and comparisons of libraries like google/wire, uber-go/dig/fx, and samber/
crouton-kit
Analyze technical designs for requirements coverage, flow correctness, and architectural feasibility to surface implementation risks.
the-startup
Create structured product or feature specifications from a short prompt; manages PRD/SDD/PLAN phases, directory scaffolding, and decision tracking.
fallow-skills
Static and runtime codebase intelligence for JavaScript/TypeScript—find unused code, duplication, circular deps, and complexity hotspots; merge runtime coverage
citadel
Generates structured Product Requirements Documents from natural-language app descriptions, asking clarifying questions, researching references, and producing m
claude-code-plugins-plus-skills
Refactor features toward the intended architecture: remove legacy cruft and simplify code to reduce long-term operational cost.
claude
Break complex systems into components, map relationships, and reconstruct optimized configurations to identify bottlenecks, failure points, and redesign opportu
springboot-skills-marketplace
Run focused, evidence-based code reviews for Java 25 and Spring Boot 4 projects — migration risks, architecture boundaries, null-safety (JSpecify), security, an
superpowers-sage
Meta-skill providing Sage/Acorn-aware workflow guidance for modern WordPress projects: Lando runners, architecture patterns, plan systems, design tool integrati
r3f-gamedev
Patterns and best practices for R3F game development: separate game logic (systems/ECS) from views, prefer headless-first design, and concrete ECS/system patter
ai-tools
Guidance on where to place repository interfaces in Clean Architecture — recommends defining repository interfaces in the use-case layer to avoid domain couplin
excalidraw-skill
Generate hand-drawn Excalidraw-style diagrams (SVG/PNG) from text prompts with layout rules, element format, and a renderer script.
dotnet-claude-kit
Interactive .NET project initialization, health checks, and migration workflows that generate tailored CLAUDE.md and run MCP-driven codebase analysis.
project-architect
Documentation-first project planning: generates SPEC, IMPLEMENTATION, TASKS, BRANDING, and a single-shot PROMPT to hand off to coding agents for execution.
draft
Identify, categorize, and prioritize technical debt across six dimensions, producing evidence-based remediation plans and prioritized quick wins.
agents
Opinionated SOLID-guidelines for TypeScript/Bun/Node projects: small files, separated interfaces, mandatory JSDoc, reuse-first workflow and templates to keep co