Visual Regression Python Packages

agentvision

Eyes for AI coding agents 👁️ — render → perceive → report → fix → re-render. A machine-graded visual feedback loop (DOM/contrast/OCR-grounded + optional vision LLM) agents consume to self-correct before claiming done.

visual-comparison

Publised on PyPI Repository that compares two images with the same sizes and shows the differences visually by drawing rectangles. Useful for Visual Regression UI Automation Testings.

sentinel-agent

AI-driven functional testing agent. Point it at a URL; it explores the app, generates a test plan, runs it, and reports findings. Web (Playwright) + visual regression + accessibility (axe-core) + REST API contract tests, all driven by your choice of LLM.

pybrowserstack-screenshots

api wrapper and python client for Browserstack Screenshots, including phantomCSS support