MCP server Official

Cursor MCP

Connect Cursor to external tools and data via MCP servers configured in mcp.json or installed from the Cursor Marketplace.

Author: Cursor (Anysphere)
Works with: Cursor
Documented: Oct 2, 2026

Official docs ↗ Registry ↗

What Cursor MCP is

Cursor connects to MCP servers over stdio, SSE or Streamable HTTP. Servers are installed from Customize or configured in mcp.json. Supported capabilities are tools, prompts, resources, roots, elicitation and MCP Apps.

What it does

Where Cursor MCP runs and what it adds, from its documentation

Runs local stdio servers and remote SSE / Streamable HTTP servers
Static OAuth client credentials in mcp.json for providers without dynamic registration
Supports tools, prompts, resources, roots, elicitation and MCP Apps (interactive UI)
One-click install from the Cursor Marketplace; team marketplaces for admins

When to use it

Good fit

Give Cursor Agent access to GitHub, databases or internal APIs
Distribute approved MCP servers to a team

Not for

Anything needing no external data; MCP adds an auth and trust surface

How to install Cursor MCP

You need: Cursor

Open Customize and browse the Cursor Marketplace, click Add to Cursor, authenticate with OAuth
Or create mcp.json with an mcpServers entry
For stdio use command/args/env; for remote use url/headers
Restart or enable the server in Customize

Configuration example (from the official docs)

{
  "mcpServers": {
    "server-name": {
      "command": "npx",
      "args": ["-y", "mcp-server"],
      "env": { "API_KEY": "value" }
    }
  }
}

Permissions and security

What it can access

stdio servers run local commands; servers may receive API keys via env/headers

Security notes from the maintainers

Static OAuth CLIENT_SECRET can be placed in mcp.json; treat the file as sensitive

Review the source before granting an agent access to credentials or production systems. We document what the maintainers state; we do not audit code.

Tools it extends

Coding Free plan

Cursor

Desktop

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Verified Sep 29, 2026 cursor.com (opens Cursor website in a new tab)

Free · paid from $20/mo US · checked Sep 29

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Frequently asked questions

Which transports does Cursor MCP support?

stdio, SSE and Streamable HTTP. source

Where do I configure custom MCP servers in Cursor?

In mcp.json with an mcpServers object, or via the Customize page. source

Does Cursor support MCP Apps?

Yes; MCP tools can return interactive UI, with fallback to normal responses. source

Can I use OAuth with a fixed client ID in Cursor MCP?

Yes, add an auth object with CLIENT_ID, optional CLIENT_SECRET and scopes to a url-based entry. source

Related guides

Sources and gaps

https://cursor.com/docs/mcp docs, checked Oct 2, 2026
https://docs.cursor.com/en/context/mcp docs, checked Oct 2, 2026

Not stated by the maintainers: mcp.json file locations not extracted; repo_url is placeholder: Cursor is closed source; Public source repository (closed source or not verified).