AWS FIS MCP Server

Instructions

List all AWS FIS experiment templates in the specified region.

Args:
    region: AWS region to query (default: us-east-1)
    
Returns:
    JSON string containing experiment templates information

Implementation Reference

• aws_fis_mcp/tools.py:54-86 (handler)

  The core handler function that lists AWS FIS experiment templates using boto3, formats them into readable JSON, manually serializes datetimes, and handles exceptions.

  def list_experiment_templates(region: str = "us-east-1") -> str:
      """
      List all AWS FIS experiment templates in the specified region.
      
      Args:
          region: AWS region to query (default: us-east-1)
          
      Returns:
          JSON string containing experiment templates information
      """
      try:
          fis = boto3.client('fis', region_name=region)
          response = fis.list_experiment_templates()
          
          if not response.get('experimentTemplates'):
              return "No experiment templates found in region " + region
          
          # Format the response for better readability
          templates = []
          for template in response['experimentTemplates']:
              templates.append({
                  'id': template.get('id'),
                  'name': template.get('experimentTemplateId'),
                  'description': template.get('description'),
                  'creationTime': template.get('creationTime').isoformat() if template.get('creationTime') else None,
                  'lastUpdateTime': template.get('lastUpdateTime').isoformat() if template.get('lastUpdateTime') else None,
                  'tags': template.get('tags', {})
              })
          
          return json.dumps(templates, indent=2)
      except Exception as e:
          return f"Error listing experiment templates: {str(e)}"

• aws_fis_mcp/server.py:25-25 (registration)

  Registers the list_experiment_templates function as a tool in the FastMCP server.

  app.tool()(list_experiment_templates)

• aws_fis_mcp/server.py:7-19 (registration)

  Imports the list_experiment_templates handler along with other tools for server registration.

  from aws_fis_mcp.tools import (
      list_experiment_templates,
      get_experiment_template,
      list_experiments,
      get_experiment,
      start_experiment,
      stop_experiment,
      create_experiment_template,
      delete_experiment_template,
      list_action_types,
      generate_template_example,
      set_write_mode,
  )