cypress-io/cypressPublic

Fast, easy and reliable testing for anything that runs in a browser.

AI summary: A reliable, fast end-to-end testing framework built for the modern web.

Stars: 50.9K; +5 today
Forks: 3.6K
Watchers: 638
Open issues: 1K
Open PRs: 58
Contributors: ~553
Commits: 23.3K
Branches: 359

TypeScriptMITCreated Mar 4, 2015Last push todayLatest release v15.20.0+10 stars this week+10 this month

Star history

since Jan 8, 2023

50.9K stars as of Aug 7, 2026, tracked back to Jan 8, 2023. Historical curve reconstructed from public GitHub event archives, calibrated to the current total.

Contribution activity

commits per day, last 52 weeks

1,864 commits in the last yearLessMore

Signals and awards

derived from tracked data

Landmark project
50,921 stars
Battle-tested
11 years of history
Very active
1,864 commits in 52 weeks
Community-driven
~553 contributors
Well documented
High community health score
Permissive license
MIT
Continuous integration
Automated checks passing

What cypress does

Cypress provides a comprehensive testing environment that executes directly within the browser alongside the application. It eliminates flaky tests by automatically waiting for DOM elements to appear and network requests to complete before asserting conditions. The framework includes a visual interface for time-traveling through test execution, allowing developers to inspect application state at any step. It bypasses the limitations of Selenium by hooking directly into the browser's execution loop. Cypress supports end-to-end testing, component testing, and API testing natively.

Cypress is for QA engineers and frontend developers who want a reliable, easy-to-configure testing environment. It is aimed at teams looking to integrate robust UI testing tightly into their daily development workflow.

In-browser execution: Runs in the same run-loop as the application for direct access to DOM and application variables.
Automatic waiting: Pauses test execution until elements are visible and animations finish, eliminating manual sleep commands.
Time travel debugging: Captures snapshots at every test step, enabling developers to inspect the DOM visually after a failure.
Network traffic control: Stubs and intercepts network requests to test edge cases without a backend server.
Real-time reloads: Automatically reruns tests the moment developers save a file.
Cross-browser support: Executes identical test suites across Chrome, Firefox, and Edge browsers natively.
Dashboard integration: Syncs test results to a central cloud service to track historical flakiness and performance.

Where teams use it

End-to-End Testing

QA engineers use Cypress to simulate real user journeys, ensuring critical paths like checkout flows function correctly.

Component Testing

Frontend developers mount React or Vue components in isolation to verify their behavior without spinning up the full app.

API Verification

Backend developers utilize Cypress to run assertions against API endpoints during the CI pipeline.

Flakiness Reduction

Teams migrate from legacy testing frameworks to Cypress to stabilize their CI/CD pipelines and reduce false negatives.

Getting started: npm install cypress --save-dev

README

develop branch

Documentation | Changelog | Roadmap

The web has evolved. Finally, testing has too.

Fast, easy and reliable testing for anything that runs in a browser.

Join us, we're hiring.

What is Cypress?

Installing

Install Cypress for Mac, Linux, or Windows, then get started.

npm install cypress --save-dev

yarn add cypress --dev

pnpm add cypress --save-dev

Contributing

- develop branch

Please see our Contributing Guideline which explains repo organization, linting, testing, and other steps.

License

This project is licensed under the terms of the MIT license.

Badges

Configure a badge for your project's README to show your test status or test count in the Cypress Cloud.

Or let the world know your project is using Cypress with the badge below.

[![Cypress.io](https://img.shields.io/badge/tested%20with-Cypress-04C38E.svg)](https://www.cypress.io/)

View on GitHub

Recent activity

commits and pull requests

chore: Update Chrome (stable) to 151.0.7922.75 and Chrome for Testing (stable) to 151.0.7922.76Open
#34492 by cypress-bot[bot] · updated 2d ago
fix: upgrade form-data to 2.5.4, 3.0.4, 4.0.4 (CVE-2025-7783)Open
#34491 by anupamme · updated 2d ago
fix: upgrade shell-quote to 1.8.4 (CVE-2026-9277)Open
#34490 by anupamme · updated 2d ago
BREAKING: Cypress 16.0.0Open
#33529 by mschile · updated 2d ago
chore: Update v8 snapshot cacheOpen
#34484 by cypress-bot[bot] · updated 2d ago
feat: order tap specs most recently modified firstOpen
#34489 by davidr-cy · updated 2d ago
chore: Update v8 snapshot cacheMerged
#34488 by cypress-bot[bot] · updated 2d ago
chore: updating v8 snapshot cache (#34488)
cypress-bot[bot] committed 360c92c · 2d ago
fix: badge tap aliases the way the reporter doesOpen
#34486 by davidr-cy · updated 2d ago
chore: update kitchensink version (#34483)
mschile committed 04c5dee · 2d ago
ci: consolidate CDP remediations into *-cdp-remediated jobs (#34478)
cacieprins committed 6b6de04 · 2d ago
chore: Update Chrome (beta) to 152.0.7977.13 (#34477)
cypress-bot[bot] committed de07471 · 2d ago

Discussions

all 2.8K

AWS CodeBuild - Cypress do not access binary files
CI setup · 4y ago · 1 comments
Why there's no `options` argument in Chainable.env()?
Questions and Help · 28d ago · 2 comments
How to test web-socket requests in Cypress.
Questions and Help · 1y ago · 1 comments
Nuxt 3 installation guide
General · 4y ago · 12 comments
When to expect Support vor Vue 3 & Nuxt 3 ? Workarounds for nuxt modules?
Component Testing · 1y ago · 2 comments

Releases and announcements

400 total

v15.20.0v15.20.0Aug 4, 20264 downloads
Changelog: https://docs.cypress.io/app/references/changelog#15-20-0
v15.19.0v15.19.0Jul 21, 2026
Changelog: https://docs.cypress.io/app/references/changelog#15-19-0
v15.18.1v15.18.1Jul 7, 2026
Changelog: https://docs.cypress.io/app/references/changelog#15-18-1
v15.18.0v15.18.0Jun 23, 2026
Changelog: https://docs.cypress.io/app/references/changelog#15-18-0
v15.17.0v15.17.0Jun 9, 2026
Changelog: https://docs.cypress.io/app/references/changelog#15-17-0

Commits per week

last 52 weeks

1.9K commits in the last 52 weeks.

When work happens

weekday and hour

Commit volume by weekday and hour (UTC). Larger dots mean more commits.

Date	List	Rank	Stars gained
Aug 6, 2026	daily	#6	+11
Aug 5, 2026	daily	#6	+11

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