## 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.

Before you can interact with a federated graph, you need to [`create`](https://cosmo-docs.wundergraph.com/cli/federated-graph/create) it. Each federated graph is mapped to a [Cosmo Router](https://cosmo-docs.wundergraph.com/router/intro) service that can respond to the relevant GraphQL schema.