Mock Service Worker. API mocking for browser and Node.
What is MSW?
Mock Service Worker. API mocking for browser and Node. See it in our Development Tools collection.
Key benefits
- MSW fits into a modern web development toolchain and can reduce boilerplate work.
- Using MSW can improve developer productivity versus ad‑hoc scripts and manual processes.
- MSW typically integrates with Git-based workflows, CI/CD, or popular runtimes and frameworks.
Use cases
- Integrating MSW into your local dev or CI pipeline to automate repetitive work.
- Using MSW to monitor, debug, or optimize applications in production.
- Adopting MSW as a standard tool across your engineering team for consistency.
About MSW
Mock Service Worker. API mocking for browser and Node.
MSW appears in The Stash under the development tools category so you can quickly understand what it does, when to use it, and where it fits into your workflow.
Sources & further reading
- testing
- mocking
- api
- service-worker
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