AI agent skills for Engineering

Research and Knowledgerun-llama

9.7

LlamaIndex

Leading document agent and OCR platform for building LLM applications over private data with retrieval, agents, and workflows.

Engineering and Developmentgithub

9.6

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.

Engineering and Developmentupstash

9.6

Context7

Pulls up-to-date, version-specific library docs and code examples directly into your LLM's context so coding agents stop hallucinating APIs.

53 skills

LangChainTrusted

9.6

LangGraph

Low-level orchestration framework for building, managing, and deploying long-running, stateful agents.

Productivity and Automationlangchain-ai

Productivity and Automationmicrosoft

9.5

Playwright MCP

Microsoft's official Playwright MCP server — lets LLMs drive a browser through structured accessibility snapshots rather than screenshots.

Engineering and DevelopmentPatrickJS

9.5

Awesome Cursorrules

Configuration files that enhance Cursor AI editor experience with custom rules and behaviors across dozens of stacks.

Writing and ContentFatih Kadir Akın

9.5

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.

Engineering and Developmentx1xhlol

9.4

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.

n8n

9.3

AI Agent Chat

Interactive conversational agent built with OpenAI models, SerpAPI tools, and a memory buffer for multi-turn chats inside n8n.

Productivity and Automationn8n Team

n8n

9.3

Slack Chatbot Powered by AI

AI-powered Slack chatbot with information retrieval tools and per-thread conversation memory for company workspaces.

Communication and Outreachn8n Team

Productivity and Automationmodelcontextprotocol

Filesystem MCP Server

Node.js reference MCP server for secure filesystem operations — read, write, search, and manage files with configurable access controls.

Data and Analysismodelcontextprotocol

Fetch MCP Server

Reference MCP server that retrieves web pages and converts HTML to markdown so LLMs can consume web content efficiently.

Engineering and Developmentmodelcontextprotocol

Git MCP Server

Reference MCP server for Git repository interaction — read, search, and manipulate Git repositories from a Large Language Model.

Documents and Officemodelcontextprotocol

Memory MCP Server

Reference MCP server that gives Claude persistent memory across chats using a local knowledge graph.

Documents and Officerun-llama

LlamaParse

GenAI-native document parser that extracts tables, figures, and structured data from complex PDFs for downstream RAG.

Data and Analysissupabase-community

9.1

Supabase MCP

Connects Supabase projects to Cursor, Claude, Windsurf, and other AI assistants for natural-language database, schema, and project operations.

LangChainTrusted

9.1

LangSmith SDK

Client SDK for tracing, evaluating, and monitoring LLM apps in LangSmith — works with LangChain or standalone.

Engineering and Developmentlangchain-ai

Data and Analysisneondatabase-labs

9.0

Neon MCP Server

Official MCP server for the Neon serverless Postgres platform — manage projects, branches, and databases through the Neon Management API.

Productivity and Automationsooperset

9.0

MCP Atlassian

MCP server for Atlassian tools — Confluence and Jira — supporting both Cloud and Server/Data Center deployments.

GPT

8.9

Code Copilot

Pair-programs across languages, ships real code, and explains its reasoning — a top developer GPT.

Engineering and DevelopmentPromptspellsmith

Engineering and Developmentcloudflare

8.7

Cloudflare MCP Server

Cloudflare's official MCP server — manage Workers, KV, R2, DNS, Zero Trust, and Cloudflare's wider platform from any MCP client.

Engineering and Developmentrun-llama

8.6

LlamaDeploy

Async-first framework for deploying agentic LlamaIndex Workflows as production microservices with built-in scaling and queues.

Research and Knowledge0xeb

8.2

TheBigPromptLibrary

Comprehensive archive of system prompts, custom instructions, jailbreak prompts, and prompt-injection defences for ChatGPT, Claude, Gemini, and others.

Productivity and Automationgrapeot

8.1

Devin Cursorrules

Transforms Cursor or Windsurf into a Devin-like agent with planner-executor multi-agent flow, web browsing, and self-evolving lessons.

Research and Knowledgeelder-plinius

8.1

CL4R1T4S — Leaked System Prompts

Open archive of leaked system prompts from ChatGPT, Claude, Gemini, Grok, Perplexity, Cursor, Lovable, Replit and more.

n8n

8.0

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.

Data and AnalysisCheng Siong Chin

GPT

7.9

Diagrams: Show Me

Visualise concepts, flows, and architectures as editable diagrams — flowcharts, mindmaps, sequence diagrams.

Creative and MediaHelpful.dev

Claude SkillTrusted

7.7

MCP Builder

Anthropic's official Claude Skill for designing, implementing, reviewing, and evaluating high-quality MCP servers in Python or TypeScript.

Claude SkillTrusted

7.7

Webapp Testing

Anthropic's official Claude Skill for interacting with and testing local web applications using Playwright — screenshots, DOM inspection, console logs.

Claude SkillTrusted

7.7

Skill Creator

Anthropic's official meta-skill for designing, editing, benchmarking, and optimising other Claude Skills with variance-aware evals.

Communication and OutreachZapier

Zapier

7.6

ChatGPT Slack Assistant

Turn Slack into a ChatGPT assistant — mention the bot or DM it from any channel to get an AI reply.

Engineering and DevelopmentGitHub copilot-extensions

7.5

Copilot Extensions Preview SDK (JS)

Official JavaScript SDK that handles request verification, response formatting, and prompt streaming for Copilot Extensions.

Engineering and DevelopmentGitHub copilot-extensions

7.2

Blackbeard Copilot Extension

Reference Copilot Extension that responds in the voice of Blackbeard the pirate — the canonical Hello World starter.

GPT

7.1

Automation Consultant by Zapier

Plans and builds Zaps for any workflow — the official Zapier-built consultant GPT.

Productivity and AutomationZapier

Engineering and DevelopmentGitHub copilot-extensions

7.0

RAG Copilot Extension

Reference Go-based Copilot Extension demonstrating retrieval-augmented generation patterns over a custom corpus.

Engineering and Developmentivangrynenko

6.9

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.

Engineering and Developmentkinopeee

6.8

Kinopeee Cursorrules v5

Bilingual (English / Japanese) custom instructions and custom commands optimized for Cursor's agent and composer modes.

Engineering and DevelopmentGitHub copilot-extensions

6.7

Function Calling Copilot Extension

Reference Go-based Copilot Extension that demonstrates function calling with confirmation dialogs — issue creation and listing as worked examples.

Engineering and Developmentsurvivorforge

Survivorforge Cursor Rules

39+ ready-to-use .cursorrules files for Cursor IDE spanning React, Next.js, Python, Go, Rust, Flutter, LangChain, and Chrome extensions.

PromptTrusted

Anthropic Prompt Engineering Interactive Tutorial

Anthropic's official hands-on tutorial covering prompt structure, role prompting, chain-of-thought, and tool use for Claude.

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.

Engineering and DevelopmentGitHub copilot-extensions

GitHub Models Copilot Extension

Official Copilot Extension that lets developers list, recommend, and run GitHub Models directly from Copilot Chat — written in TypeScript.

Engineering and Developmentblefnk

6.3

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.

Engineering and Developmentnedcodes-ok

6.1

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.

Engineering and Developmenttyrchen

5.9

Cursor Rust Rules

Production-tested Rust coding standards and best practices for Cursor IDE, covering Axum, SQLx, Tokio, and workspace organization.

Productivity and Automationrun-llama

5.7

LlamaHub Loaders

Community library of 300+ data loaders for LlamaIndex and LangChain — Notion, Slack, Confluence, S3, databases, and more.

Engineering and Developmentstyler-ai

5.5

Styler Cursor Python Template

Python project template optimized for Cursor AI development with rules, CI, linting, testing, docs, and pre-commit hooks pre-wired.

LangChainTrusted

5.2

LangChain Extract

Reference LangChain app for extracting structured data from unstructured text and PDFs using LLMs and JSON schemas.

Documents and Officelangchain-ai