Testdriver:focus Application Agent Skill

by testdriverai

Bring an application window to the foreground

2k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

237

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/testdriverai/testdriverai --skill testdriver:focus-application

The instruction itself

17 sections, as written by the author

Overview

Bring a specific application window to the foreground and make it the active window for interactions.

Syntax

await testdriver.focusApplication(name)

Parameters

Application name (e.g., 'Google Chrome', 'Microsoft Edge', 'Notepad')

</ParamField>

Returns

Promise<string> - Result message

Examples

Common Applications

// Focus Chrome browser
await testdriver.focusApplication('Google Chrome');

// Focus Edge browser
await testdriver.focusApplication('Microsoft Edge');

// Focus Notepad
await testdriver.focusApplication('Notepad');

// Focus File Explorer
await testdriver.focusApplication('File Explorer');

// Focus Visual Studio Code
await testdriver.focusApplication('Visual Studio Code');

After Opening Applications

// Open Chrome and focus it
await testdriver.exec('pwsh', `
  Start-Process "C:/Program Files/Google/Chrome/Application/chrome.exe" -ArgumentList "https://example.com"
`, 5000);

await new Promise(r => setTimeout(r, 2000)); // Wait for launch

// Focus the Chrome window
await testdriver.focusApplication('Google Chrome');

Best Practices

<Check>

Focus before UI interactions

Always focus the target application before interacting with its UI:

  await testdriver.focusApplication('Google Chrome');
  
  const button = await testdriver.find('submit button');
  await button.click();

</Check>

<Check>

Wait after launching apps

Give applications time to open before focusing:

  await testdriver.exec('pwsh', 'Start-Process notepad', 5000);
  await new Promise(r => setTimeout(r, 1000)); // Wait for launch
  await testdriver.focusApplication('Notepad');

</Check>

<Check>

Use exact application names

  // ✅ Correct
  await testdriver.focusApplication('Google Chrome');
  
  // ❌ May not work
  await testdriver.focusApplication('Chrome');
  await testdriver.focusApplication('chrome.exe');

</Check>

Application must be running

The application must already be running. focusApplication() won't launch applications, only bring existing windows to the foreground.

</Warning>

Use Cases

    // Test workflow across multiple apps
    await testdriver.focusApplication('Google Chrome');
    const data = await testdriver.extract('the order number');
    
    await testdriver.focusApplication('Notepad');
    await testdriver.type(data);
    await testdriver.pressKeys(['ctrl', 's']);
    
    await testdriver.focusApplication('Google Chrome');
    const nextButton = await testdriver.find('next button');
    await nextButton.click();

</Accordion>

    // Compare behavior in different browsers
    await testdriver.focusApplication('Google Chrome');
    await testdriver.assert('page loaded correctly in Chrome');
    
    await testdriver.focusApplication('Microsoft Edge');
    await testdriver.assert('page loaded correctly in Edge');

</Accordion>

    // Launch and focus desktop app
    await testdriver.exec('pwsh', 'Start-Process notepad', 5000);
    await new Promise(r => setTimeout(r, 1000));
    
    await testdriver.focusApplication('Notepad');
    await testdriver.type('Test content');

</Accordion>

    // Show desktop first
    await testdriver.pressKeys(['winleft', 'd']);
    
    // Click desktop icon
    const icon = await testdriver.find('Chrome icon on desktop');
    await icon.click();
    
    await new Promise(r => setTimeout(r, 2000));
    
    // Focus the opened window
    await testdriver.focusApplication('Google Chrome');

</Accordion>

</AccordionGroup>

Common Application Names

Browsers

'Google Chrome'
'Microsoft Edge'
'Mozilla Firefox'
'Safari' (macOS)

Office Applications

'Microsoft Word'
'Microsoft Excel'
'Microsoft PowerPoint'
'Microsoft Outlook'

Development Tools

'Visual Studio Code'
'Visual Studio'
'IntelliJ IDEA'
'Sublime Text'

System Applications

'Notepad'
'File Explorer'
'Command Prompt'
'Windows PowerShell'
'Task Manager'

Communication

'Microsoft Teams'
'Slack'
'Discord'
'Zoom'

Complete Example

import { beforeAll, afterAll, describe, it } from 'vitest';
import TestDriver from 'testdriverai';

describe('Multi-Application Workflow', () => {
  let testdriver;

  beforeAll(async () => {
    client = new TestDriver(process.env.TD_API_KEY);
    await testdriver.auth();
    await testdriver.connect();
  });

  afterAll(async () => {
    await testdriver.disconnect();
  });

  it('should work across multiple applications', async () => {
    // Start in browser
    await testdriver.focusApplication('Google Chrome');
    
    // Get data from web page
    const orderNumber = await testdriver.extract('the order number');
    console.log('Order:', orderNumber);
    
    // Open Notepad
    await testdriver.exec('pwsh', 'Start-Process notepad', 5000);
    await new Promise(r => setTimeout(r, 1500));
    
    // Focus Notepad and save data
    await testdriver.focusApplication('Notepad');
    await testdriver.type(`Order Number: ${orderNumber}`);
    await testdriver.type('\n');
    await testdriver.type(`Date: ${new Date().toISOString()}`);
    
    // Save file
    await testdriver.pressKeys(['ctrl', 's']);
    await new Promise(r => setTimeout(r, 500));
    
    await testdriver.type('C:\\order-info.txt');
    await testdriver.pressKeys(['enter']);
    
    // Return to browser
    await testdriver.focusApplication('Google Chrome');
    
    const confirmButton = await testdriver.find('confirm order button');
    await confirmButton.click();
    
    await testdriver.assert('order confirmed');
  });

  it('should switch between browser tabs', async () => {
    await testdriver.focusApplication('Google Chrome');
    
    // Open new tab
    await testdriver.pressKeys(['ctrl', 't']);
    await new Promise(r => setTimeout(r, 500));
    
    // Navigate to URL
    await testdriver.pressKeys(['ctrl', 'l']);
    await testdriver.type('https://example.com');
    await testdriver.pressKeys(['enter']);
    
    await new Promise(r => setTimeout(r, 2000));
    
    // Ensure Chrome is still focused
    await testdriver.focusApplication('Google Chrome');
    
    await testdriver.assert('example.com page is loaded');
  });

  it('should handle dialog boxes', async () => {
    await testdriver.focusApplication('Google Chrome');
    
    const deleteButton = await testdriver.find('delete account button');
    await deleteButton.click();
    
    await new Promise(r => setTimeout(r, 500));
    
    // Dialog appears - make sure it's focused
    await testdriver.focusApplication('Google Chrome');
    
    const confirmBtn = await testdriver.find('confirm deletion button');
    await confirmBtn.click();
  });
});

exec() - Launch applications with PowerShell
pressKeys() - Use Alt+Tab to switch windows
find() - Locate elements in the focused window

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How to use it

Copy the folder

Take testdriverai/testdriver:focus-application from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.

Testdriver:focus Application Agent Skill

Install

The instruction itself

Overview

Syntax

Parameters

Returns

Examples

Common Applications

After Opening Applications

Best Practices

Use Cases

Common Application Names

Browsers

Office Applications

Development Tools

System Applications

Communication

Complete Example

Related Methods

Other skills for the same job

How to use it