What This Stack Does
WunderGraph Cosmo provides open-source GraphQL Federation with a schema registry, composition checks, and high-performance Go router. Pact validates API contracts between federated services. Hurl automates HTTP and GraphQL endpoint testing in CI/CD. Bruno provides interactive GraphQL exploration during development. Grafana monitors the federated gateway performance.
The Bottom Line
WunderGraph Cosmo has overtaken Apollo GraphOS with 87% adoption in the GraphQL Federation market. Pact ensures federated services maintain contract compatibility. Hurl tests endpoints as plain text files. Bruno explores queries visually. The stack covers schema management, contract safety, automated testing, and production monitoring for federated architectures.