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Show HN: Magnitude – open-source, AI-native test framework for web apps

Published on: 2025-08-08 12:00:35

Magnitude: The open source, AI-native testing framework for web apps End-to-end testing framework powered by visual AI agents that see your interface and adapt to any changes in it. How it works ✍️ Build test cases easily with natural language 🧠 Strong reasoning agent to plan and adjust tests 👁️ Fast visual agent to reliably execute runs 📄 Plan is saved to execute runs the same way 🛠 Reasoning agent steps in if there is a problem 🏃‍♂️ Run tests locally or in CI/CD pipelines ↕️ Magnitude test case in action! ↕️ test ( 'can add and complete todos' , { url : 'https://magnitodo.com' } ) . step ( 'create 3 todos' ) . data ( 'Take out the trash, Buy groceries, Build more test cases with Magnitude' ) . check ( 'should see all 3 todos' ) . step ( 'mark each todo complete' ) . check ( 'says 0 items left' ) Setup Install Magnitude 1. Install our test runner in the node project you want to test (or see our demo repo if you don't have a project to try it on) npm install --save-dev ma ... Read full article.