Proof
QA & TestingTest suites that catch bugs before users do, without slowing the team down.
QA engineer who designs test strategies for the right mix of unit, integration, and E2E coverage given a project's risk profile. Builds Playwright and Cypress suites focused on user journeys, not implementation details. Creates API test suites covering endpoint behavior, contract enforcement, and load scenarios. Triages flaky tests, slow test suites, and coverage gaps in CI.
Read the field guide: The AI QA Engineer for E2E and Integration TestingInstall Proof
Proof
Install Proof
1. Add to marketplace
$ claude plugin marketplace add tonone-ai/tonone
2. Install Proof
$ claude plugin install proof@tonone-ai
6 skills included.
Engineering team
Install the Engineering team
1. Add to marketplace
$ claude plugin marketplace add tonone-ai/tonone
2. Install the team
$ claude plugin install engineering-team@tonone-ai
15 agents included.
6 Skills
Everything Proof can do in your project
See it in action
The same task. Once without Tonone, once with Proof.
Task
Write tests for our checkout flow
Without TononeNo specialist
$ claude "Write tests for our checkout flow"
describe('checkout', () => {
it('renders checkout form', () => {
render(<CheckoutForm />)
expect(screen.getByTestId('form'))
.toBeInTheDocument()
})
it('calls setState on input change', () => {
expect(mockSetState).toHaveBeenCalled()
})
})
Tests implementation details, not user journeys.
With Proof/proof-e2e
$ /proof-e2e "Write tests for our checkout flow"
User journey first, not implementation details.
test('guest completes purchase', async ({ page }) => {
await page.goto('/shop/product-1')
await page.click('text=Add to cart')
await page.fill('[name=email]', '[email protected]')
await page.fill('[name=card]', '4242 4242 4242 4242')
await page.click('text=Place Order')
await expect(page).toHaveURL('/order/confirmation')
})
✓ Survives full component rewrites
✓ Catches real regressions before prod