# Cypress

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

Repository: https://github.com/cypress-io/cypress
Canonical: https://ross.abutalabs.com/products/cypress
Homepage: https://cypress.io
Language: TypeScript
License: MIT
License Family: permissive
Topics: cypress, end-to-end-testing, angular-testing-library, component-testing, cypress-cloud, cypress-schematic, react-testing-library, svelte-testing-library, testing-framework, testing-library, testing-tool, vue-testing-library, test-replay
Last push: 2026-08-27T00:40:34+00:00

## Health v2 (maintenance only)
Score: 99/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 99, longevity 100
- inputs: {"age_days": 4201, "days_push": 7, "days_rel": 8, "gap_med": 13, "n_releases_24m": 56}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 51001, forks 3647 (observed 2026-08-28T04:12:11.817701+00:00)

## What it is
Cypress is an open-source end-to-end and component testing framework for anything that runs in a browser, built in TypeScript. It ships a test runner with a GUI, CLI, Docker images, a GitHub Action, and optional Cypress Cloud services for running and analyzing tests.

## Use cases
- run end-to-end tests for a web app in a real browser
- test React, Angular, Vue, or Svelte components
- add browser tests to a CI pipeline with GitHub Actions
- run tests in Docker containers
- debug flaky browser tests with time-travel and test replay
- write integration tests for a frontend SPA

## When to choose
- you need fast, reliable browser-based E2E or component tests with a good developer experience
- you want built-in time travel, automatic waiting, and an interactive test runner
- your team uses JavaScript/TypeScript and npm-based tooling

## When to avoid
- you need to test native mobile or desktop applications
- you require testing outside a browser or across multiple browser tabs/domains with complex setups
- you prefer a free, fully open-source cloud test distribution without paid services

## Facets
- artifact type: framework
- maturity: stable
- function: testing, e2e-testing, developer-tools, ci-cd
- domain: testing, web-development, frontend, developer-tools
- platform: cross-platform, windows, browser, cli
- tags: browser-testing, component-testing, test-runner, cypress-cloud, test-replay, typescript, macos, linux, nodejs, docker

## Member repositories
- cypress-io/cypress (main) score 99
- cypress-io/cypress-realworld-app (examples) score 67
- cypress-io/cypress-example-recipes (examples) score 74
- cypress-io/github-action (plugin) score 99
- cypress-io/cypress-example-kitchensink (examples) score 100
- cypress-io/cypress-docker-images (infra) score 77
- cypress-io/cypress-documentation (docs) score 77

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:12:11.817701+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T16:19:49.558745+00:00, confidence not recorded.
  - readme: https://github.com/cypress-io/cypress (fetched 2026-08-28T04:12:11.817701+00:00, sha 9722b30b1372)
- Data as of 2026-08-30T08:39:29.467469+00:00.