Your PRs Now Come With Tests

Your PRs Now Come With Tests

Self-maintaining UI tests
that evolve with your code.

Self-maintaining UI tests that evolve with your code.

Kate automatically analyzes your pull requests, creates targeted UI checks,
and grows your frontend test suite - one PR at a time.

Kate automatically analyzes your pull requests, runs targeted UI checks, and grows your frontend test suite - one PR at a time.

Built in Germany

EU-Hosted

Secure By Design

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  1. Understands Your Changes

Kate indexes your code and uses modern AI agents to inspect the introduced changes on every PR. It automatically identifies which UI flows and components are affected and infers the new intended behavior.

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  1. Understands Your Changes

Kate indexes your code and uses modern AI agents to inspect the introduced changes on every PR. It automatically identifies which UI flows and components are affected and infers the new intended behavior.

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  1. Understands Your Changes

Kate indexes your code and uses modern AI agents to inspect the introduced changes on every PR. It automatically identifies which UI flows and components are affected and infers the new intended behavior.

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  1. Tests what matters

Kate logs into your app and agentically tests new flows exactly as a human would. Rewatch the flows she ran and commit the useful ones to your repo — they’ll rerun automatically on every new PR.

Pull Request Test Flow
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  1. Tests what matters

Kate logs into your app and agentically tests new flows exactly as a human would. Rewatch the flows she ran and commit the useful ones to your repo — they’ll rerun automatically on every new PR.

Pull Request Test Flow
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  1. Tests what matters

Kate logs into your app and agentically tests new flows exactly as a human would. Rewatch the flows she ran and commit the useful ones to your repo — they’ll rerun automatically on every new PR.

Pull Request Test Flow
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  1. Reports where you work

Visual results and clear pass/fail summaries appear right inside your GitHub PR — no context switching. Kate fits naturally into your existing development workflow.

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  1. Reports where you work

Visual results and clear pass/fail summaries appear right inside your GitHub PR — no context switching. Kate fits naturally into your existing development workflow.

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  1. Reports where you work

Visual results and clear pass/fail summaries appear right inside your GitHub PR — no context switching. Kate fits naturally into your existing development workflow.

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Why Teams Give Up On UI Testing

Today's UI testing is fragile, cumbersome and
fails to keep up with real development.

Today's UI testing is fragile, cumbersome and fails to keep up with real development.

Fragile By Design

UI flows change regularly

Selectors break easily

Simple refactors invalidate tests

Fragile By Design

UI flows change regularly

Selectors break easily

Simple refactors invalidate tests

Fragile By Design

UI flows change regularly

Selectors break easily

Simple refactors invalidate tests

Visual Tests Miss Real Behavior

Detect pixel shifts, not broken logic

Pass when functionality is still broken

Fail on harmless UI tweaks

Visual Tests Miss Real Behavior

Detect pixel shifts, not broken logic

Pass when functionality is still broken

Fail on harmless UI tweaks

Visual Tests Miss Real Behavior

Detect pixel shifts, not broken logic

Pass when functionality is still broken

Fail on harmless UI tweaks

Unrealiable "AI First" Tools

Non-deterministic and inconsistent

Hard to reproduce outcomes

Impossible to debug

Unrealiable "AI First" Tools

Non-deterministic and inconsistent

Hard to reproduce outcomes

Impossible to debug

Unrealiable "AI First" Tools

Non-deterministic and inconsistent

Hard to reproduce outcomes

Impossible to debug

Meet Kate - Your Smart UI Reviewer

Kate Understands Intent, Not Pixels -
And Keeps Tests Stable As Your UI Evolves

Kate Understands Intent, Not Pixels - And Keeps Tests Stable As Your UI Evolves

Validates new changes, blocks regressions later

Understands your code diffs

Creates targeted UI tests

Confirms changes work as intended

Validates new changes, blocks regressions later

Understands your code diffs

Creates targeted UI tests

Confirms changes work as intended

Validates new changes, blocks regressions later

Understands your code diffs

Creates targeted UI tests

Confirms changes work as intended

Automatically Adapts To Your Refactors

Understands intent behind changes

Blends AI reasoning with stability

Keeps tests working through changes

Automatically Adapts To Your Refactors

Understands intent behind changes

Blends AI reasoning with stability

Keeps tests working through changes

Automatically Adapts To Your Refactors

Understands intent behind changes

Blends AI reasoning with stability

Keeps tests working through changes

Grows Your Test Suite With Each Pull Request

Creates automatic UI tests on every PR

Lets you commit them to your repo

Increases coverage one PR at a time

Grows Your Test Suite With Each Pull Request

Creates automatic UI tests on every PR

Lets you commit them to your repo

Increases coverage one PR at a time

Grows Your Test Suite With Each Pull Request

Creates automatic UI tests on every PR

Lets you commit them to your repo

Increases coverage one PR at a time

Never write, fix or maintain a test again:
Kate automatically evolves your Tests as your app evolves.

Zero Setup, Instant Value

Works instantly with your existing preview deployments — no scripts, CI setup, or dependencies

Zero Setup, Instant Value

Works instantly with your existing preview deployments — no scripts, CI setup, or dependencies

Zero Setup, Instant Value

Works instantly with your existing preview deployments — no scripts, CI setup, or dependencies

Predictable Meets Adaptable

Delivers deterministic, repeatable automation and falls back to AI when flows change

Predictable Meets Adaptable

Delivers deterministic, repeatable automation and falls back to AI when flows change

Predictable Meets Adaptable

Delivers deterministic, repeatable automation and falls back to AI when flows change

Composable by Design

Uses AI automation to understand intent alongside deterministic code like Playwright

Composable by Design

Uses AI automation to understand intent alongside deterministic code like Playwright

Composable by Design

Uses AI automation to understand intent alongside deterministic code like Playwright

Built For Modern Development

Outputs committable tests in TypeScript, fully compatible with Playwright and CI pipelines

Built For Modern Development

Outputs committable tests in TypeScript, fully compatible with Playwright and CI pipelines

Built For Modern Development

Outputs committable tests in TypeScript, fully compatible with Playwright and CI pipelines

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Let Your Test Suite Write itself One PR at a Time.

Join the waitlist for early community access and private Discord. We’ll only email about access and critical launches.

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Let Your Test Suite Write itself — One PR at a Time.

Join the waitlist for early community access and private Discord. We’ll only email about access and critical launches.

planet background
Let Your Test Suite Write itself One PR at a Time.

Join the waitlist for early community access and private Discord. We’ll only email about access and critical launches.

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