Where is the Cursor MCP config file located?

On Windows: %USERPROFILE%\.cursor\mcp.json. On macOS: ~/.cursor/mcp.json. On Linux: ~/.cursor/mcp.json.

Does Cursor support MCP tools and stdio transports?

Cursor supports stdio transports and supports autonomous tool calling.

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How to Setup MCP in Cursor

Popular IDE

Step-by-step setup guide for connecting Model Context Protocol (MCP) servers to Cursor by Anysphere.

Configuration File: mcp.json

%USERPROFILE%\.cursor\mcp.json

Example mcp.json Template

Open in Config Generator

{
  "mcpServers": {
    "postgres": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-postgres", "postgresql://user:pass@/db"]
    }
  }
}

Installation Steps

Locate mcp.json

Find the configuration file at %USERPROFILE%\.cursor\mcp.json.

Add MCP server entries

Open the file and add your server definitions inside the configuration schema.

Set environment variables

Provide any required API keys, database URLs, or access tokens in the environment section.

Save and reload

Save mcp.json and hot-reload or restart Cursor.

Verify in chat

Ask Cursor to list tools or execute a task with the connected MCP server.

Cursor Protocol Support

Stdio Transport Supported

Local stdio transports via npx, python, uvx

SSE / HTTP Transport Supported

Remote SSE servers with authentication headers

Tool Calling Supported

Composer agent autonomous tool calls

Resources API Supported

Context reference via @ mentions

Prompts API Unsupported

Not yet exposed in chat slash commands

Roots Boundary Supported

Binds to active project workspace root

Dynamic Hot-Reload Supported

Auto-reloads on mcp.json save