feat(dblclick): add double click (#654)

Fixes https://github.com/microsoft/playwright-mcp/issues/652

README.md

@@ -478,6 +478,7 @@ X Y coordinate space, based on the provided screenshot.
   - Parameters:
     - `element` (string): Human-readable element description used to obtain permission to interact with the element
     - `ref` (string): Exact target element reference from the page snapshot
+    - `doubleClick` (boolean, optional): Whether to perform a double click instead of a single click
   - Read-only: **false**
 
 <!-- NOTE: This has been generated via update-readme.js -->

src/tools/snapshot.ts

@@ -46,13 +46,17 @@ const elementSchema = z.object({
   ref: z.string().describe('Exact target element reference from the page snapshot'),
 });
 
+const clickSchema = elementSchema.extend({
+  doubleClick: z.boolean().optional().describe('Whether to perform a double click instead of a single click'),
+});
+
 const click = defineTool({
   capability: 'core',
   schema: {
     name: 'browser_click',
     title: 'Click',
     description: 'Perform click on a web page',
-    inputSchema: elementSchema,
+    inputSchema: clickSchema,
     type: 'destructive',
   },
 
@@ -60,14 +64,18 @@ const click = defineTool({
     const tab = context.currentTabOrDie();
     const locator = tab.snapshotOrDie().refLocator(params);
 
-    const code = [
+    const code: string[] = [];
-      `// Click ${params.element}`,
+    if (params.doubleClick) {
-      `await page.${await generateLocator(locator)}.click();`
+      code.push(`// Double click ${params.element}`);
-    ];
+      code.push(`await page.${await generateLocator(locator)}.dblclick();`);
+    } else {
+      code.push(`// Click ${params.element}`);
+      code.push(`await page.${await generateLocator(locator)}.click();`);
+    }
 
     return {
       code,
-      action: () => locator.click(),
+      action: () => params.doubleClick ? locator.dblclick() : locator.click(),
       captureSnapshot: true,
       waitForNetwork: true,
     };

tests/core.spec.ts

@@ -70,6 +70,45 @@ await page.getByRole('button', { name: 'Submit' }).click();
 `);
 });
 
+test('browser_click (double)', async ({ client, server }) => {
+  server.setContent('/', `
+    <title>Title</title>
+    <script>
+      function handle() {
+        document.querySelector('h1').textContent = 'Double clicked';
+      }
+    </script>
+    <h1 ondblclick="handle()">Click me</h1>
+  `, 'text/html');
+
+  await client.callTool({
+    name: 'browser_navigate',
+    arguments: { url: server.PREFIX },
+  });
+
+  expect(await client.callTool({
+    name: 'browser_click',
+    arguments: {
+      element: 'Click me',
+      ref: 'e2',
+      doubleClick: true,
+    },
+  })).toHaveTextContent(`
+- Ran Playwright code:
+\`\`\`js
+// Double click Click me
+await page.getByRole('heading', { name: 'Click me' }).dblclick();
+\`\`\`
+
+- Page URL: ${server.PREFIX}
+- Page Title: Title
+- Page Snapshot
+\`\`\`yaml
+- heading "Double clicked" [level=1] [ref=e3]
+\`\`\`
+`);
+});
+
 test('browser_select_option', async ({ client, server }) => {
   server.setContent('/', `
     <title>Title</title>