By Role
AI agent skills for Engineering
The best AI agent skills for engineering teams — 53 indexed across Claude Skills, MCP servers, Cursor rules, custom GPTs, n8n templates, LangChain packs, and more. Every entry is scored on the same rubric so you can compare across platforms.
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LlamaIndex
Leading document agent and OCR platform for building LLM applications over private data with retrieval, agents, and workflows.
GitHub MCP Server
GitHub's official MCP Server — gives AI assistants tool-level access to repositories, issues, pull requests, Actions, and the GitHub API surface.
Context7
Pulls up-to-date, version-specific library docs and code examples directly into your LLM's context so coding agents stop hallucinating APIs.
All skills tagged here
53 totalPlaywright MCP
Microsoft's official Playwright MCP server — lets LLMs drive a browser through structured accessibility snapshots rather than screenshots.
System Prompts and Models of AI Tools
Reverse-engineered system prompts and tool schemas for Cursor, Claude Code, Devin, v0, Windsurf, Replit, Manus, and 25+ more.
Awesome ChatGPT Prompts (prompts.chat)
The world's largest open-source prompt library — 143k+ starred collection of role-based prompts that work with ChatGPT, Claude, Gemini, Llama, and Mistral.
GitHub MCP Server
GitHub's official MCP Server — gives AI assistants tool-level access to repositories, issues, pull requests, Actions, and the GitHub API surface.
Neon MCP Server
Official MCP server for the Neon serverless Postgres platform — manage projects, branches, and databases through the Neon Management API.
Context7
Pulls up-to-date, version-specific library docs and code examples directly into your LLM's context so coding agents stop hallucinating APIs.
Slack Chatbot Powered by AI
AI-powered Slack chatbot with information retrieval tools and per-thread conversation memory for company workspaces.
LangGraph
Low-level orchestration framework for building, managing, and deploying long-running, stateful agents.
LangSmith SDK
Client SDK for tracing, evaluating, and monitoring LLM apps in LangSmith — works with LangChain or standalone.
Asset Health and Predictive Maintenance with Claude and Slack
Coordinates specialist Claude agents over industrial asset telemetry, classifying findings into critical alerts, escalations, or routine maintenance.
Filesystem MCP Server
Node.js reference MCP server for secure filesystem operations — read, write, search, and manage files with configurable access controls.
Fetch MCP Server
Reference MCP server that retrieves web pages and converts HTML to markdown so LLMs can consume web content efficiently.
Git MCP Server
Reference MCP server for Git repository interaction — read, search, and manipulate Git repositories from a Large Language Model.
Memory MCP Server
Reference MCP server that gives Claude persistent memory across chats using a local knowledge graph.
Awesome Cursorrules
Configuration files that enhance Cursor AI editor experience with custom rules and behaviors across dozens of stacks.
LlamaIndex
Leading document agent and OCR platform for building LLM applications over private data with retrieval, agents, and workflows.
MCP Builder
Anthropic's official Claude Skill for designing, implementing, reviewing, and evaluating high-quality MCP servers in Python or TypeScript.
Webapp Testing
Anthropic's official Claude Skill for interacting with and testing local web applications using Playwright — screenshots, DOM inspection, console logs.
Skill Creator
Anthropic's official meta-skill for designing, editing, benchmarking, and optimising other Claude Skills with variance-aware evals.
LlamaParse
GenAI-native document parser that extracts tables, figures, and structured data from complex PDFs for downstream RAG.
Diagrams: Show Me
Visualise concepts, flows, and architectures as editable diagrams — flowcharts, mindmaps, sequence diagrams.
Supabase MCP
Connects Supabase projects to Cursor, Claude, Windsurf, and other AI assistants for natural-language database, schema, and project operations.
Code Copilot
Pair-programs across languages, ships real code, and explains its reasoning — a top developer GPT.
Cloudflare MCP Server
Cloudflare's official MCP server — manage Workers, KV, R2, DNS, Zero Trust, and Cloudflare's wider platform from any MCP client.
ChatGPT Slack Assistant
Turn Slack into a ChatGPT assistant — mention the bot or DM it from any channel to get an AI reply.
AI Agent Chat
Interactive conversational agent built with OpenAI models, SerpAPI tools, and a memory buffer for multi-turn chats inside n8n.
Automation Consultant by Zapier
Plans and builds Zaps for any workflow — the official Zapier-built consultant GPT.
Survivorforge Cursor Rules
39+ ready-to-use .cursorrules files for Cursor IDE spanning React, Next.js, Python, Go, Rust, Flutter, LangChain, and Chrome extensions.
CL4R1T4S — Leaked System Prompts
Open archive of leaked system prompts from ChatGPT, Claude, Gemini, Grok, Perplexity, Cursor, Lovable, Replit and more.
MCP Atlassian
MCP server for Atlassian tools — Confluence and Jira — supporting both Cloud and Server/Data Center deployments.
LlamaDeploy
Async-first framework for deploying agentic LlamaIndex Workflows as production microservices with built-in scaling and queues.
Anthropic Prompt Engineering Interactive Tutorial
Anthropic's official hands-on tutorial covering prompt structure, role prompting, chain-of-thought, and tool use for Claude.
Nedcodes Cursorrules Collection
110+ tested .mdc and .cursorrules files for Cursor, Claude Code, Copilot, Windsurf, Gemini CLI, and Codex with version-specific gotchas baked in.
TheBigPromptLibrary
Comprehensive archive of system prompts, custom instructions, jailbreak prompts, and prompt-injection defences for ChatGPT, Claude, Gemini, and others.
LangChain Extract
Reference LangChain app for extracting structured data from unstructured text and PDFs using LLMs and JSON schemas.
Copilot Extensions Preview SDK (JS)
Official JavaScript SDK that handles request verification, response formatting, and prompt streaming for Copilot Extensions.
Blackbeard Copilot Extension
Reference Copilot Extension that responds in the voice of Blackbeard the pirate — the canonical Hello World starter.
Kinopeee Cursorrules v5
Bilingual (English / Japanese) custom instructions and custom commands optimized for Cursor's agent and composer modes.
Jesseoue Cursor Rules
36 production-ready cursor rules in MDC format for Next.js, React, TypeScript, Drizzle, shadcn/ui, Clerk, Tinybird, Cloudflare Workers, and more.
Ivan Grynenko Cursorrules
A comprehensive set of Cursor AI rules for PHP, Drupal, JavaScript, Python, and DevOps with a strong focus on OWASP Top 10 security.
RAG Copilot Extension
Reference Go-based Copilot Extension demonstrating retrieval-augmented generation patterns over a custom corpus.
Function Calling Copilot Extension
Reference Go-based Copilot Extension that demonstrates function calling with confirmation dialogs — issue creation and listing as worked examples.
Cursor Rust Rules
Production-tested Rust coding standards and best practices for Cursor IDE, covering Axum, SQLx, Tokio, and workspace organization.
Devin Cursorrules
Transforms Cursor or Windsurf into a Devin-like agent with planner-executor multi-agent flow, web browsing, and self-evolving lessons.
Styler Cursor Python Template
Python project template optimized for Cursor AI development with rules, CI, linting, testing, docs, and pre-commit hooks pre-wired.
GitHub Models Copilot Extension
Official Copilot Extension that lets developers list, recommend, and run GitHub Models directly from Copilot Chat — written in TypeScript.
Blefnk Awesome Cursor Rules
Rules for AI IDEs optimized for Next.js 15, React 19, TypeScript 5, Tailwind 4, shadcn/ui, Drizzle, Better Auth, TanStack Form, and React Query.
Next.js + Vercel + Supabase Windsurf Rules
Windsurf rules pack for building Next.js apps on Vercel with Supabase — auth, RLS, server actions, and deployment conventions.
next-intl Windsurf Rules
Windsurf rules that enforce next-intl conventions for i18n-aware routing, message catalogs, and locale-scoped components.
Angular + TypeScript Windsurf Rules
Windsurf rules for Angular 18 + TypeScript work — enforces ESLint, Prettier, jsdoc, parameter limits, and Jest test coverage.
Go Backend Scalability Windsurf Rules
Windsurf rules that turn the assistant into a backend-scalability pair programmer for Go — DB tuning, API design, caching, message queues.
Python FastAPI Best Practices Windsurf Rules
Windsurf rules that pin generated FastAPI code to type hints, Pydantic validation, async-first patterns, dependency injection, and middleware.
LlamaHub Loaders
Community library of 300+ data loaders for LlamaIndex and LangChain — Notion, Slack, Confluence, S3, databases, and more.