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Connect Claude Desktop to an MCP server exposed through agentgateway on Kubernetes

Before you begin

1. Set up an agentgateway proxy.
2. Deploy an MCP server and expose it through agentgateway with an HTTPRoute.
3. Get the MCP endpoint URL for your proxy, and use it in place of <MCP_URL> in the following steps.

Configuration

1. Add agentgateway to your Claude Desktop configuration file.

   macOSWindows

   Edit ~/Library/Application Support/Claude/claude_desktop_config.json.

   {
     "mcpServers": {
       "agentgateway": {
         "url": "<MCP_URL>"
       }
     }
   }

   Edit %APPDATA%\Claude\claude_desktop_config.json.

   {
     "mcpServers": {
       "agentgateway": {
         "url": "<MCP_URL>"
       }
     }
   }

2. Restart Claude Desktop and verify that the agentgateway tools appear in the MCP tools list.