Grafana MCP Server

Instructions

Implementation Reference

• src/grafana_mcp_server/processor/grafana_processor.py:56-80 (handler)

  The implementation of the `test_connection` method within the `GrafanaApiProcessor` class, which verifies connectivity to the Grafana API by querying the `/api/datasources` endpoint.

  def test_connection(self):
      """
      Test connection to Grafana API to verify configuration and connectivity.
      Uses the /api/datasources endpoint to verify API access.
  
      Returns:
          bool: True if connection successful
  
      Raises:
          Exception: If connection fails with details about the failure
      """
      try:
          url = f"{self.__host}/api/datasources"
          logger.info(f"Testing Grafana connection to: {url}")
  
          response = requests.get(url, headers=self.headers, verify=self.__ssl_verify, timeout=20)
          if response and response.status_code == 200:
              logger.info("Successfully connected to Grafana API")
              return True
          else:
              status_code = response.status_code if response else None
              raise Exception(f"Failed to connect with Grafana. Status Code: {status_code}. Response Text: {response.text}")
      except Exception as e:
          logger.error(f"Exception occurred while fetching grafana data sources with error: {e}")
          raise e