## Mastering Local Development for GraphQL Federation

### Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://cosmo-docs.wundergraph.com/llms.txt)

Use this file to discover all available pages before exploring further.

### Tutorials

- [From Zero to Federation in 5 Steps using Cosmo](https://cosmo-docs.wundergraph.com/tutorial/from-zero-to-federation-in-5-steps-using-cosmo)
- [Deploy Your First Router Plugin](https://cosmo-docs.wundergraph.com/tutorial/using-grpc-plugins)
- [Deploy Your First gRPC Service](https://cosmo-docs.wundergraph.com/tutorial/grpc-service-quickstart)
- [Composing Graphs](https://cosmo-docs.wundergraph.com/tutorial/composing-graphs)
- [PR Based Workflow for Federation](https://cosmo-docs.wundergraph.com/tutorial/pr-based-workflow-for-federation)
- [Using Persisted Operations with Federated GraphQL](https://cosmo-docs.wundergraph.com/tutorial/using-persisted-operations)
- [Using Apollo Router / Gateway with Cosmo OSS Schema Registry](https://cosmo-docs.wundergraph.com/tutorial/using-apollo-router-gateway-with-cosmo-oss-schema-registry)
- [Supergraph Previews for every Pull Request](https://cosmo-docs.wundergraph.com/tutorial/supergraph-previews-for-every-pull-request)
- [Gradual and experimental feature rollout with Feature Flags](https://cosmo-docs.wundergraph.com/tutorial/gradual-and-experimental-feature-rollout-with-feature-flags)