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Litmus Check is now 100% open source

Write Playwright 5x faster with AI

Litmus LogoLitmus Logo— the free, open-source AI-powered ITE (Integrated Testing Environment)

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How is Litmus better?

Write tests in natural language and get playwright code instantly.

Free App

Get multiple playwright selectors to choose from.

Free App

Generate and add custom scripts to make your tests more powerful

Free App

Auto-triage your failed tests with a live-agent run

Free App

Write in english, export in Playwright

Once the test is written, run it on your own self-hosted Litmus Check, and triage failures with the litmus-agent CLI.

Test page

Open source, top to bottom

The engine, the UI, and the triage CLI are all public. Read the code, self-host the stack, or drop the CLI into a suite you already have.

lc-serverPython
The QA engineThe AI QA engine: a Python/Flask API, a TypeScript Playwright agent, and a Node.js gateway — backed by PostgreSQL and Redis.View repository →
lc-frontendTypeScript
Self-hostable UIThe Next.js frontend for Litmus Check. Point it at your own backend and deploy on Vercel or your own VM.View repository →
litmus-agentNode.js
Triage CLIA CLI that triages Playwright test failures from your JSON report and traces. Drop it into any existing Playwright suite.View repository →

Triage Playwright failures in seconds:

$ npm install -g litmus-agent
$ lc triage ./reports/report.json

Free and open source. Self-host in minutes.

No credit card, no vendor lock-in. Clone the repos and run the whole stack yourself.

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Litmus is for everyone

Small teams

Create tests in less than 60 mins. Ship fast without worrying.

Manual QAs

Automate tests without spending hours learning different frameworks

Engineers

Get better selectors out of the box and create stable tests