MCP essentials — servers every Claude/Cursor/Zed user should know
A starter kit of Model Context Protocol servers: files, git/GitHub, Postgres, web fetch, browser automation, Slack, Cloudflare, Stripe, Linear, Notion, Supabase, Tavily, and sandboxes — ready to plug into Claude, Cursor, or Zed.
Related MCP servers
Configure in Claude, Cursor, or Zed (any MCP client) to give agents access to external tools, data sources, or execution environments.
- FilesystemOfficial
Reference MCP server letting agents read/write/list files under an allow-listed directory. Run with least-privilege paths and read-only mode for sensitive data; ideal when you want to scope a project folder as an agent workspace.
Docs / Knowledge basestdioModel Context Protocol - GitOfficial
Reference MCP server exposing common git operations (status, log, diff, blame) to an agent. Great starting point for read-only code reviewers; grant write access carefully.
Coding / DevelopmentstdioModel Context Protocol - GitHubOfficial
GitHub’s official MCP server: read/write repos, manage issues/PRs, and search code. Use scoped PATs or a GitHub App with audit logging for production.
Coding / DevelopmenthttpGitHub - PostgreSQLOfficial
Reference MCP server for read-only Postgres access and schema introspection—ideal for data-analysis agents. Lock down with a read-only role and schema allow-list.
Database / DatastdioModel Context Protocol - FetchOfficial
Reference MCP server that fetches any HTTP URL and converts it to Markdown—often the minimal “browsing” capability for agents. Add a domain allow-list and rate limits.
Search / ResearchstdioModel Context Protocol - PlaywrightOfficial
Microsoft’s Playwright MCP server: cross-browser automation with broader coverage than Puppeteer—fits scrapers and UI-testing agents that need headless Chromium, Firefox, and WebKit.
Browser / Computer usestdioMicrosoft - SlackOfficial
Reference MCP server that reads/writes Slack messages and searches history—turns Slack into an agent’s comms layer. Use a bot token with minimal scopes.
Collaboration / WhiteboardstdioModel Context Protocol - CloudflareOfficial
Cloudflare’s official MCP suite covering Workers, KV, D1, R2, Pages, and DNS. Supports Remote MCP over HTTP, so you can plug it into Claude or Cursor without a local binary.
Cloud / DevOpshttpCloudflare - StripeOfficial
Stripe’s official MCP server exposing accounts, orders, refunds, and products as tools—handy for commerce agents. Restrict to test / restricted keys in production.
Payments / BusinesshttpStripe - LinearOfficial
Linear’s official MCP server: create and query Issues, Projects, and Cycles—a lightweight task pipeline for engineering/product agents. Auth via personal API key or OAuth.
Collaboration / WhiteboardhttpLinear - NotionOfficial
Notion’s official MCP server: read/write pages and database items—perfect for wiring requirement docs, weekly reports, and knowledge bases into agents. Workspace-level auth applies.
Docs / Knowledge basehttpNotion - SupabaseOfficial
Supabase’s official MCP server covering database, Storage, and Auth operations—great for wiring a Supabase project into AI IDEs and ops agents.
Database / DatastdioSupabase - TavilyOfficial
Tavily MCP server exposes the agent-focused search API as MCP tools—an easy way to give any MCP client a “can search the web” capability with API key control.
Search / ResearchstdioTavily - E2B Code InterpreterOfficial
E2B Code Interpreter: official MCP server from E2B—confirm version, auth scopes, and transport with the upstream docs before production use.
Coding / DevelopmentstdioE2B