CURSOR

// step 1

Create MCP configuration file

In your project root, create or edit .cursor/mcp.json:

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

// step 2

Reload Cursor window

Use Command Palette (Cmd/Ctrl+Shift+P) and run "Developer: Reload Window" to load MCP configuration.

// step 3

Start sending messages

Open Cursor's AI chat (Cmd/Ctrl+L) and ask to send messages:

// In Cursor's AI chat
You: Send an email to [email protected] with subject "Welcome" and body "Thanks for signing up!"

Cursor AI: I'll send that email for you using Fastsend.

[AI uses send_message tool via Fastsend MCP]

Cursor AI: Email queued successfully! Message ID: msg_xyz789. You can check delivery status later.