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feat(mcp): add delay options to browser_mouse_click_xy (#39368) #39465

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Merged
dgozman merged 1 commit into from
Mar 3, 2026
+16 −0
Merged

feat(mcp): add delay options to browser_mouse_click_xy (#39368) #39465

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2 changes: 2 additions & 0 deletions packages/playwright-core/src/mcp/browser/tools/mouse.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,7 @@ const mouseClick = defineTabTool({
y: z.number().describe('Y coordinate'),
button: z.enum(['left', 'right', 'middle']).optional().describe('Button to click, defaults to left'),
clickCount: z.number().optional().describe('Number of clicks, defaults to 1'),
delay: z.number().optional().describe('Time to wait between mouse down and mouse up in milliseconds, defaults to 0'),
}),
type: 'input',
},
Expand All @@ -128,6 +129,7 @@ const mouseClick = defineTabTool({
const options = {
button: params.button,
clickCount: params.clickCount,
delay: params.delay,
};
const formatted = formatObjectOrVoid(options);
const optionsArg = formatted ? `, ${formatted}` : '';
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14 changes: 14 additions & 0 deletions tests/mcp/mouse.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,15 @@ const eventsPage = `<!DOCTYPE html>
document.body.addEventListener('mousemove', (event) => {
log('mousemove', event.clientX, event.clientY);
});
let downPressTime = undefined;
document.body.addEventListener('mousedown', (event) => {
downPressTime = performance.now();
log('mousedown', 'button:' + event.button);
});
document.body.addEventListener('mouseup', (event) => {
log('mouseup', 'button:' + event.button);
if (downPressTime !== undefined)
log('delta', Math.round(performance.now() - downPressTime));
});
document.body.addEventListener('click', (event) => {
log('click', 'button:' + event.button);
Expand Down Expand Up @@ -101,3 +105,13 @@ test('browser_mouse_click_xy (double click)', async ({ client }) => {
snapshot: expect.stringMatching(/mousemove 100 100.*mousedown button:0.*mouseup button:0.*dblclick button:0/s),
});
});

test('browser_mouse_click_xy (delay)', async ({ client }) => {
expect(await client.callTool({
name: 'browser_mouse_click_xy',
arguments: { x: 100, y: 100, delay: 20 },
})).toHaveResponse({
code: expect.stringContaining(`await page.mouse.click(100, 100, {\n delay: 20\n});`),
snapshot: expect.stringMatching(/mousemove 100 100.*mousedown button:0.*mouseup button:0.*delta (?:[2-9]\d|\d{3,})/s),
});
});