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Connect the Claude Code CLI 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 the MCP server to your Claude configuration.

   CLImcp.json file

   claude mcp add agentgateway --transport http <MCP_URL>

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

2. Verify the connection.

   claude mcp list

The agentgateway server shows up as Connected.