Find the right MCP server.
Fix it when it breaks.
33 popular Model Context Protocol servers with verified install commands, supported clients, and maintenance status, plus 16 step-by-step fixes for the errors people actually hit.
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Filesystem
Node.js server implementing Model Context Protocol (MCP) for filesystem operations.
Fetch
A Model Context Protocol server that provides web content fetching capabilities. This server enables LLMs to retrieve and process content from web pag
Git
A Model Context Protocol server for Git repository interaction and automation. This server provides tools to read, search, and manipulate Git reposito
Memory (Knowledge Graph)
A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats.
Sequential Thinking
An MCP server implementation that provides a tool for dynamic and reflective problem-solving through a structured thinking process.
Everything (test server)
This MCP server attempts to exercise all the features of the MCP protocol. It is not intended to be a useful server, but rather a test server for buil
Time
A Model Context Protocol server that provides time and timezone conversion capabilities. This server enables LLMs to get current time information and
Context7
Context7 Platform -- Up-to-date docs for AI agents
Chrome DevTools
Chrome DevTools for coding agents
Playwright (Microsoft)
Playwright MCP server
GitHub
GitHub's official MCP Server
Serena
A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent
Figma Context (Framelink)
MCP server to provide Figma layout information to AI coding agents like Cursor
Desktop Commander
This is MCP server for Claude that gives it terminal control, file system search and diff file editing capabilities
AWS MCP Servers
Open source MCP Servers for AWS
GitMCP
Put an end to code hallucinations! GitMCP is a free, open-source, remote MCP server for any GitHub project
Firecrawl
🔥 Official Firecrawl MCP Server - Adds powerful web scraping and search to Cursor, Claude and any other LLM clients.
Browser MCP
Browser MCP is a Model Context Provider (MCP) server that allows AI applications to control your browser
21st.dev Magic
It's like v0, but in your Cursor / Claude Code / Windsurf: search 10,000+ React/Tailwind components, generate new UI with AI, and publish your own — r
Playwright (ExecuteAutomation)
Playwright Model Context Protocol Server - Tool to automate Browsers and APIs in Claude Desktop, Cline, Cursor IDE and More 🔌
Exa Search
Exa MCP for web search and web crawling!
Notion
Official Notion MCP Server
Cloudflare
Cloudflare's hosted MCP servers for reading and changing your Cloudflare account through an MCP client. Cloudflare recommends its API MCP server at mc
Grafana
MCP server for Grafana
Supabase
Connect Supabase to your AI assistants
Stripe
One-stop shop for building AI-powered products and businesses with Stripe.
Slack (korotovsky)
The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.
Terraform
The Terraform MCP Server provides seamless integration with Terraform ecosystem, enabling advanced automation and interaction capabilities for Infrast
Brave Search
An MCP server that integrates the Brave Search API: web, local business, image, video and news search, plus AI summarization. Supports STDIO and HTTP
MongoDB
A Model Context Protocol server to connect to MongoDB databases and MongoDB Atlas Clusters.
Sentry
Agentic tooling for Sentry
Neon Postgres
MCP server for interacting with Neon Management API and databases
Redis
The official Redis MCP Server is a natural language interface designed for agentic applications to manage and search data in Redis efficiently
Popular fixes
MCP server not showing in Cursor (or showing a red dot)
No tools available • Client closed • red status dot next to the server in Cursor's MCP settings
MCP server not showing in Claude Desktop
No hammer/tools icon appears, or "Could not attach to MCP server" / "MCP server failed" in
Fix "spawn npx ENOENT" when starting an MCP server
Error: spawn npx ENOENT
MCP servers fail on Windows with npx (use cmd /c)
spawn npx ENOENT • 'npx' is not recognized • Connection closed (Windows only)
MCP server can't see my API key (env vars not passed)
401 Unauthorized • "API key is required" • "Missing environment variable"
MCP config JSON syntax errors (trailing commas, comments, quotes)
Unexpected token } in JSON at position … • "Failed to parse MCP config" • servers silently missi