{
  "tools": [
    {
      "name": "process_data_by_mode",
      "description": "Performs an action that can be modified by an environment variable.\n\nThe MCP client should set 'APP_MODE' in its 'env' config for this server.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "input": {
            "type": "string",
            "description": "some input data"
          }
        },
        "required": [
          "input"
        ]
      },
      "outputSchema": {
        "type": "object",
        "properties": {
          "mode": {
            "type": "string",
            "description": "The processing mode used"
          },
          "processed_input": {
            "type": "string",
            "description": "The processed input data"
          },
          "original_input": {
            "type": "string",
            "description": "The original input data (only in default mode)"
          },
          "message": {
            "type": "string",
            "description": "A descriptive message about the processing"
          }
        },
        "required": [
          "mode",
          "message"
        ]
      }
    }
  ]
}