About

Imported from personamanagmentlayer/pcl (stdlib/qa/selenium-expert/SKILL.md). Install upstream with npx skills add personamanagmentlayer/pcl --skill selenium-expert. Copyright stays with the author.

Selenium Expert

Name: selenium-expert
Author: personamanagmentlayer

Core Concepts

Selenium Components

WebDriver - Browser automation API
Selenium Grid - Distributed test execution
IDE - Record and playback tool
Locator Strategies - Find elements (ID, CSS, XPath)
Wait Mechanisms - Explicit, implicit, fluent waits
Actions API - Complex user interactions

Browser Support

Chrome/Chromium - ChromeDriver
Firefox - GeckoDriver
Safari - SafariDriver
Edge - EdgeDriver
IE - IEDriver (legacy)
Remote - Selenium Grid execution

Advanced Features

Page Object Model - Design pattern
Test Frameworks - TestNG, JUnit, pytest
Parallel Execution - Grid and ThreadLocal
Screenshots - Visual verification
JavaScript Execution - Execute custom scripts
Mobile Testing - Appium integration

Best Practices

Locator Strategy

Prefer ID over other locators
Use CSS selectors over XPath
Add data-testid attributes
Avoid fragile locators
Use relative locators (Selenium 4+)
Document locator choices

Wait Strategy

Use explicit waits over implicit
Set appropriate timeouts
Wait for specific conditions
Avoid Thread.sleep()
Handle stale elements
Use fluent waits for complex conditions

Test Design

Implement Page Object Model
Keep tests independent
Use proper test data management
Implement proper cleanup
Handle flaky tests
Log and screenshot failures

Performance

Reuse browser sessions when possible
Use parallel execution
Optimize wait times
Close unused windows/tabs
Clear cache between tests
Monitor Grid performance

Anti-Patterns

Common Mistakes

Using sleep instead of waits
Hard-coded wait times
Not handling stale elements
Missing implicit wait configuration
Too many XPath locators
No error handling

Locator Issues

Brittle XPath expressions
Using absolute XPath
Relying on index positions
No fallback locators
Missing data-testid attributes
Coupling to UI changes

Test Design Problems

Tests depending on order
Shared state between tests
No Page Object Model
Testing too much at once
Missing cleanup
Poor error messages

Reference Documentation

Detailed material lives alongside this skill and is read on demand:

Implementation Examples — Basic WebDriver Setup (Python), Page Object Model (Python), Java WebDriver Example, Selenium Grid Configuration, Advanced Waits and Actions

Resources

Official Documentation

Selenium Documentation - Complete guide
WebDriver API - Python API docs
Selenium Grid - Grid guide
Best Practices - Guidelines

Learning Resources

Selenium YouTube - Conference talks
Test Automation University - Free courses
Selenium Blog - Updates and articles
Awesome Selenium - Resources

Tools & Extensions

Selenium IDE - Record and playback
WebDriver Manager - Driver management
Selenoid - Alternative to Grid
Zalenium - Selenium Grid alternative

Community Resources

Selenium Forum - Google Group
Stack Overflow - Q&A
GitHub Selenium - Source code
Slack Selenium - Community chat

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/personamanagmentlayer-pcl-selenium-expert/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

personamanagmentlayer-pcl-selenium-expert.ocm.jsonjson

{
  "ocm": "1",
  "id": "personamanagmentlayer-pcl-selenium-expert",
  "kind": "skill",
  "name": "selenium-expert",
  "description": "Expert in Selenium WebDriver, Selenium Grid, page object model, waits, cross-browser testing, and test automation frameworks. Use when the user mentions testing, end-to-end tests, QA, automation, WebDriver, or Selenium grid, or when the task involves Selenium Components, Browser Support, Advanced Features, or Basic WebDriver Setup.",
  "publisher": "personamanagmentlayer",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "coding"
    ],
    "tags": [
      "skill-md",
      "testing",
      "e2e",
      "selenium",
      "qa",
      "automation",
      "webdriver",
      "selenium-grid",
      "page-object-model",
      "cross-browser-testing"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Expert in Selenium WebDriver, Selenium Grid, page object model, waits, cross-browser testing, and test automation frameworks. Use when the user mentions testing, end-to-end tests, QA, automation, WebDriver, or Selenium grid, or when the task involves Selenium Components, Browser Support, Advanced Features, or Basic WebDriver Setup."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/personamanagmentlayer/pcl",
      "path": "stdlib/qa/selenium-expert/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/personamanagmentlayer/pcl/blob/HEAD/stdlib/qa/selenium-expert/SKILL.md",
      "key": "personamanagmentlayer/pcl/stdlib/qa/selenium-expert/SKILL.md"
    },
    "allowed_tools": [
      "Read",
      "Write",
      "Edit",
      "Bash",
      "Grep",
      "Glob"
    ]
  },
  "instructions": "# Selenium Expert\n\n## Core Concepts\n\n### Selenium Components\n\n- **WebDriver** - Browser automation API\n- **Selenium Grid** - Distributed test execution\n- **IDE** - Record and playback tool\n- **Locator Strategies** - Find elements (ID, CSS, XPath)\n- **Wait Mechanisms** - Explicit, implicit, fluent waits\n- **Actions API** - Complex user interactions\n\n### Browser Support\n\n- **Chrome/Chromium** - ChromeDriver\n- **Firefox** - GeckoDriver\n- **Safari** - SafariDriver\n- **Edge** - EdgeDriver\n- **IE** - IEDriver (legacy)\n- **Remote** - Selenium Grid execution\n\n### Advanced Features\n\n- **Page Object Mod",
  "cost": {
    "context_tokens": 975
  }
}

Fetch it by URL: GET /api/v1/registry/personamanagmentlayer-pcl-selenium-expert/manifest?version=1.0.0

Reviews

Star ratings from people who tried it. One review per account; edit yours any time.

No reviews yet. Install it, try it, and be the first to rate it.