Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add tmolavi/mcp-agent-skills-hub --skill e2e-testinggit clone --depth 1 https://github.com/tmolavi/mcp-agent-skills-hubWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/tmolavi/mcp-agent-skills-hub/e2e-testing)<a href="https://agentmods.dev/skills/tmolavi/mcp-agent-skills-hub/e2e-testing"><img src="https://agentmods.dev/badge/skills/tmolavi/mcp-agent-skills-hub/e2e-testing/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/tmolavi/mcp-agent-skills-hub/e2e-testing"><img src="https://agentmods.dev/badge/skills/tmolavi/mcp-agent-skills-hub/e2e-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00029 | $0.00940 |
| Opus 5 | $0.00015 | $0.00470 |
| Sonnet 5 | $0.00006 | $0.00188 |
| Haiku 4.5 | $0.00003 | $0.00094 |
Grade A, and why
e2e-testing scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 171 lines — stays where its author put it; the contents beside it link to each section on GitHub.
E2E Testing Workflow
Overview
Specialized workflow for end-to-end testing using Playwright including browser automation, visual regression testing, cross-browser testing, and CI/CD integration.
When to Use This Workflow
Use this workflow when:
- Setting up E2E testing
- Automating browser tests
- Implementing visual regression
- Testing across browsers
- Integrating tests with CI/CD
Workflow Phases
Phase 1: Test Setup
Skills to Invoke
playwright-skill- Playwright setupe2e-testing-patterns- E2E patterns
Actions
- Install Playwright
- Configure test framework
- Set up test directory
- Configure browsers
- Create base test setup
Copy-Paste Prompts
Use @playwright-skill to set up Playwright testing
Phase 2: Test Design
Skills to Invoke
e2e-testing-patterns- Test patternstest-automator- Test automation
Actions
- Identify critical flows
- Design test scenarios
- Plan test data
- Create page objects
- Set up fixtures
Copy-Paste Prompts
Use @e2e-testing-patterns to design E2E test strategy
Phase 3: Test Implementation
Skills to Invoke
playwright-skill- Playwright testswebapp-testing- Web app testing
Actions
- Write test scripts
- Add assertions
- Implement waits
- Handle dynamic content
- Add error handling
Copy-Paste Prompts
Use @playwright-skill to write E2E test scripts
Phase 4: Browser Automation
Skills to Invoke
browser-automation- Browser automationplaywright-skill- Playwright features
Actions
- Configure headless mode
- Set up screenshots
- Implement video recording
- Add trace collection
- Configure mobile emulation
Copy-Paste Prompts
Use @browser-automation to automate browser interactions
Phase 5: Visual Regression
Skills to Invoke
playwright-skill- Visual testingui-visual-validator- Visual validation
Actions
- Set up visual testing
- Create baseline images
- Add visual assertions
- Configure thresholds
- Review differences
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 171 lines · 29 tokens per session scan A d98eb7c3459f
e2e-testing is a skill published in the GitHub repository tmolavi/mcp-agent-skills-hub (8 stars, last pushed 14d ago), licensed MIT. It adds 29 tokens to every session and 940 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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