WunderGraph Cosmo
An open-source platform for building, maintaining, and collaborating on GraphQL Federation at scale.
What is WunderGraph Cosmo?
WunderGraph Cosmo is an open-source platform for managing the entire lifecycle of federated GraphQL APIs. It provides tools for schema registry, composition validation, analytics, metrics, tracing, and routing, enabling organizations to build and maintain large-scale federated graphs efficiently. It solves the problem of coordinating GraphQL schemas across multiple teams and services while ensuring consistency and observability.
Platform engineers, architects, and development teams building or managing federated GraphQL APIs at scale, particularly in organizations with multiple services and teams.
Developers choose Cosmo because it offers a complete, self-hostable alternative to proprietary solutions like Apollo Studio, with no vendor lock-in, full observability features, and support for both federated and monolithic GraphQL architectures under a permissive open-source license.
Overview
The open-source solution to building, maintaining, and collaborating on GraphQL Federation at Scale. The alternative to Apollo Studio and GraphOS.
Use Cases
Best For
- Managing federated GraphQL schemas across multiple teams and services
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