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MCP install guide

Cursor MCP config path guide

Find where Cursor MCP config lives and how to safely edit mcp.json.

Who is this for?

Cursor users who need the correct MCP config path before installing servers.

Config path and example

~/.cursor/mcp.json

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "./"]
    }
  }
}

Installation steps

1

Open Cursor settings

Use Cursor settings to open the MCP config when possible.

2

Back up mcp.json

Copy the existing file before changing it.

3

Paste generated config

Use the generator to avoid malformed JSON.

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "./"]
    }
  }
}
4

Restart Cursor

Reload MCP servers after saving.

Common setup issues

Wrong profile

Make sure you edit the config for the Cursor profile you are using.

FAQ

Can I edit the file manually?

Yes, but validate JSON before restarting Cursor.