## 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.

### Subgraph Request Headers Operations

[**Subgraph Request Headers Operations**](https://cosmo-docs.wundergraph.com/router/proxy-capabilities/subgraph-request-header-operations)

### Subgraph Response Header Operations

[**Subgraph Response Header Operations**](https://cosmo-docs.wundergraph.com/router/proxy-capabilities/subgraph-response-header-operations)

### Forward Client Extensions

[**Forward Client Extensions**](https://cosmo-docs.wundergraph.com/router/proxy-capabilities/forward-client-extensions)

### Adjusting Cache Control

[**Adjusting Cache Control**](https://cosmo-docs.wundergraph.com/router/proxy-capabilities/adjusting-cache-control)

### Override Subgraph Config

[**Override Subgraph Config**](https://cosmo-docs.wundergraph.com/router/proxy-capabilities/override-subgraph-config)

### Router Response Headers Operations

[**Router Response Headers Operations**](https://cosmo-docs.wundergraph.com/router/proxy-capabilities/router-response-header-operations)