[ai-assisted] feat(mcp): add Antigravity client support

Author: JooHyung Park

src/components/mcp/McpClientItem.tsx

@@ -63,7 +63,7 @@ export function McpClientItem({ client }: McpClientItemProps) {
 
   // Generate config with actual path
   const getConfigWithPath = () => {
-    if (client.id === 'cursor' || client.id === 'vscode') {
+    if (client.id === 'cursor' || client.id === 'vscode' || client.id === 'antigravity') {
       const config = {
         mcpServers: {
           TalkToFigmaDesktop: {
@@ -128,6 +128,15 @@ export function McpClientItem({ client }: McpClientItemProps) {
         </>
       )}
 
+      {/* Antigravity */}
+      {client.id === 'antigravity' && (
+        <>
+          <div className="space-y-3">
+            <ConfigCodeBlock config={getConfigWithPath()} />
+          </div>
+        </>
+      )}
+
       <Separator />
 
       {/* Instructions */}

src/lib/mcp/client-configs.ts

@@ -93,6 +93,31 @@ export const MCP_CLIENTS: Record<string, McpClient> = {
     ]
   },
 
+  antigravity: {
+    id: 'antigravity',
+    displayName: 'Antigravity',
+    configPath: '~/Library/Application Support/Antigravity/mcp_config.json', // macOS
+    configFormat: 'json',
+    serverName: 'TalkToFigmaDesktop',
+    installMethod: 'manual',
+    description: 'Google Antigravity AI editor',
+    config: {
+      mcpServers: {
+        TalkToFigmaDesktop: {
+          command: 'node',
+          args: ['<STDIO_SERVER_PATH>']  // Replace with actual path to mcp-stdio-server.js
+        }
+      }
+    },
+    instructions: [
+      'Click "..." in the top right of the Antigravity side panel',
+      'Select "MCP Server" → "Manage MCP Servers"',
+      'Click "View raw config"',
+      'Copy the configuration JSON above (server path is pre-filled)',
+      'Paste into the config editor and save'
+    ]
+  },
+
   comingSoon: {
     id: 'coming-soon',
     displayName: 'Other Clients',