WINDSURF

// step 1

Open Windsurf MCP settings

Go to Settings → Advanced → MCP Configuration to access your MCP server settings.

// step 2

Add Fastsend MCP server

Add the following server configuration:

{
  "mcpServers": {
    "fastsend": {
      "serverUrl": "https://fastsend.dev/mcp"
    }
  }
}

// step 3

Save and refresh

Save your MCP configuration and refresh the Windsurf window to load the new server.

// step 4

Use with Cascade

Open Cascade chat and start sending messages:

You: Send an SMS reminder to my phone number that the meeting starts in 10 minutes

Cascade: I'll send that SMS reminder for you right away.

[Cascade uses the send_message tool via Fastsend MCP]

Cascade: Reminder sent! Message ID: msg_rem123. The SMS has been queued and should be delivered shortly.