add video for cursor flow, update instructions

Author: devalog

fern/products/docs/pages/ai/cursor-mcp.mp4

@@ -17,7 +17,27 @@ When developers connect to your MCP server, they can ask questions about your pr
 
 Your MCP server is automatically available at `your-documentation-site.com/_mcp/server`. To connect to your MCP server:
 
+<AccordionGroup>
+<Accordion title="Connect MCP server to Cursor">
+
+1. Under the **Page actions** on any page on your site, select **Connect to Cursor**.
+1. When Cursor opens, the server URL will be automatically populated. Click **Install** to connect the MCP. 
+
+<video 
+    src="cursor-mcp.mp4"
+    autoPlay
+    loop
+    controls
+    playsInline
+    muted
+>
+</video>
+</Accordion>
+<Accordion title="Connect MCP server to other agents (Claude Desktop, Windsurf, etc)">
+
 1. Visit `your-documentation-site.com/_mcp/server` in a browser to see the server information
-2. Add this URL to your AI client's MCP server configuration (Claude Desktop, Cursor, Windsurf, etc.)
+2. Add this URL to your AI client's MCP server configuration
 3. Authenticate if your documentation requires authentication
-4. Start asking questions about your product directly in the AI client    
+4. Start asking questions about your product directly in the AI client    
+</Accordion>
+</AccordionGroup>