Comparison with MSW

While both RMP and MSW support request mocking, RMP stands out by enabling per-test isolation and parallelization for server-side mocks. It also allows mocking server-side requests when tests run on CI against a remote target.

Feature	RMP	MSW
REST API	✅	✅
GraphQL API	❌	✅
Arbitrary handler function	❌	✅
Server-side mocking	✅	✅
Server-side mocking with per-test isolation	✅	❌¹
Server-side mocking on CI	✅	❌

¹ Per-test isolation in MSW can be achieved via spinning a separate app instance for each test. See this example.