> ## Documentation Index
> Fetch the complete documentation index at: https://wundergraphinc-brendan-add-sof-link.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Proxy Capabilities

> When working in a federated architecture the need to propagate / orchestrate client data is common. We provide several ways to simplify the work with it.

<CardGroup>
  <Card title="Subgraph Request Headers Operations" icon="arrow-right-to-bracket" href="/router/proxy-capabilities/subgraph-request-header-operations" horizontal />

  <Card title="Subgraph Response Header Operations" icon="arrow-right-from-bracket" href="/router/proxy-capabilities/subgraph-response-header-operations" horizontal />

  <Card title="Forward Client Extensions" icon="share-nodes" href="/router/proxy-capabilities/forward-client-extensions" horizontal />

  <Card title="Adjusting Cache Control" icon="clock" href="/router/proxy-capabilities/adjusting-cache-control" horizontal />

  <Card title="Override Subgraph Config" icon="sliders" href="/router/proxy-capabilities/override-subgraph-config" horizontal />

  <Card title="Router Response Headers Operations" icon="arrow-right-from-bracket" href="/router/proxy-capabilities/router-response-header-operations" horizontal />
</CardGroup>