Best MCP servers for ChatGPT and Codex

Best MCP servers: editor's picks

1. 1

   GitHubManage repos, issues, pull requests and Actions from your AI agentMCP server · by GitHub · 33k stars · Remote

   GitHub's own server gives an agent the parts of GitHub that aren't in your local checkout: issues, pull requests and reviews, Actions runs, security alerts and code in other repositories. It answers "why did CI fail on main?" or "which PRs are waiting on my review?". In ChatGPT itself, OpenAI's GitHub plugin is usually easier.

2. 2

   Context7Pull up-to-date, version-specific library docs into your coding agentMCP server · by Upstash · 63k stars · Remote

   Context7 looks up current, version-specific documentation before your coding agent writes code against Next.js, Supabase, Tailwind or a smaller library, which cuts down on renamed functions and APIs that never existed. Mention the version you're on, or add "use context7" to a prompt.

3. 3

   Playwright MCPBrowser automation for agents via Playwright accessibility snapshotsMCP server · by Microsoft · 38k stars

   Playwright MCP gives a coding agent a real browser that it reads as an accessibility tree, so it finds a button by its label without a vision model. Use it to check a feature on localhost, reproduce a bug report step by step or draft a Playwright test. It runs on your machine, so it fits Codex better than ChatGPT on the web.

4. 4

   Chrome DevTools MCPLet coding agents control and debug a live Chrome browserMCP server · by Google Chrome DevTools · 53k stars

   Chrome DevTools MCP lets an agent record a performance trace, list failed network requests, read console errors with source-mapped stack traces and run a Lighthouse audit. It turns "why is this page slow?" into something the agent can investigate, fix and check again.

5. 5

   SupabaseManage Supabase databases, migrations, edge functions and logsMCP server · by Supabase · 2.9k stars · Remote

   Supabase's server reads your schema, writes and applies migrations, runs SQL, generates TypeScript types, deploys Edge Functions and runs the security and performance advisors. It acts with your developer permissions, so Supabase says not to hand it to end users.

6. 6

   StripeQuery and act on your Stripe account and search Stripe docs from any agentMCP server · by Stripe · 1.9k stars · Remote

   Stripe's hosted server connects an agent to your Stripe account and to Stripe's docs: look up a customer, check why charges failed, summarize your balance, or find the right API parameters while you build.

7. 7

   NotionSearch, read, and write Notion pages, databases, and comments via hosted MCPMCP server · by Notion · 4.7k stars · Remote

   Notion's hosted server at https://mcp.notion.com/mcp searches a workspace, fetches pages, creates and updates pages and databases, and works with comments. It signs in with OAuth and is the supported option; the older self-hosted package is no longer actively maintained.

8. 8

   LinearFind, create and update Linear issues, projects and commentsMCP server · by Linear · Remote

   Linear's hosted server finds, creates and updates issues, projects and comments. It supports OAuth or a Linear API key, and a read-only endpoint is available if you only want an agent to look.

9. 9

   FigmaBring Figma design context into code and write designs back to the canvasMCP server · by Figma · 12 tools · Remote

   Figma's remote server gives agents design context, screenshots, variables and Code Connect mappings from Figma files, and can create and edit Figma content and FigJam diagrams. It uses OAuth; a local server in the desktop app is also available.

10. 10

    DeepWikiAsk questions about any public GitHub repo using DeepWiki's generated docsMCP server · by Cognition · 3 tools · Remote

    DeepWiki, by Cognition, answers questions about any public GitHub repository from generated documentation. It's free and needs no authentication, which makes https://mcp.deepwiki.com/mcp the quickest server to test a ChatGPT or API setup with.

MCP servers: frequently asked questions

Does ChatGPT support MCP servers?

Yes. Every ChatGPT app runs on an MCP server, and with developer mode you can connect any remote MCP server yourself by URL, including tools that write data. Developer mode is available on Plus, Pro, Business, Enterprise and Education accounts.

Can I use a local MCP server with ChatGPT?

Not directly. ChatGPT connects over the network, so it needs a public HTTPS URL; a server that runs as a local command (stdio) won't work as is. Put it behind an HTTP endpoint, use a development tunnel such as ngrok, or use OpenAI's Secure MCP Tunnel for private servers. Codex runs local servers without any of that.

Are MCP servers free?

Many are. The MCP reference servers and most open-source servers are free to run, and DeepWiki's hosted server is free with no sign-in. Servers from companies like Stripe, Supabase or Linear are free to connect but act on your account with that service, so its plan and pricing apply. Developer mode in ChatGPT needs a paid ChatGPT plan.

What's the difference between an MCP server and a ChatGPT plugin?

A plugin is the reviewed package you install from ChatGPT's Plugin Directory: usually one or more apps, each running on an MCP server, plus skills. An MCP server is the connection on its own, which you add yourself. If a product has a plugin, start there; use its MCP server when you want it in Codex, the API or another client, or when there's no plugin. More in plugins vs apps vs MCP servers vs skills.

Can I use MCP servers with the OpenAI API?

Yes. The Responses API has an mcp tool: pass a server_label and a remote server_url, and the model can call the server's tools, with require_approval controlling which calls need sign-off and allowed_tools limiting what it can use. The Agents SDK also connects to MCP servers. See MCP in the OpenAI API.

Are MCP servers safe?

A server can only do what its tools allow, but those tools act with the access you grant, and some can write or delete. Prefer official servers, use read-only modes or scopes where they exist, and keep approval on for write actions. In ChatGPT, developer mode asks you to confirm write actions before they run.

How do I test my own MCP server?

Run it locally and connect the MCP Inspector to check its tools, then expose it over HTTPS with a tunnel and add it to ChatGPT in developer mode. Test and debug an MCP server covers both steps.