OCI MCP Server

Instructions

Implementation Reference

• mcp_server_oci/tools/cost.py:121-170 (handler)

  Core handler function that executes the tool logic: queries OCI Usage API for usage data grouped by compartmentName, aggregates total costs per compartment, and returns the breakdown.
  def get_cost_by_compartment(usage_api_client: oci.usage_api.UsageapiClient, tenant_id: str, time_usage_started: str, time_usage_ended: str) -> List[Dict[str, Any]]: """ Get cost breakdown by compartment. Args: usage_api_client: OCI UsageApi client tenant_id: OCID of the tenancy time_usage_started: Start time in ISO format (YYYY-MM-DD) time_usage_ended: End time in ISO format (YYYY-MM-DD) Returns: List of costs grouped by compartment """ try: request_summarized_usages_details = oci.usage_api.models.RequestSummarizedUsagesDetails( tenant_id=tenant_id, time_usage_started=time_usage_started, time_usage_ended=time_usage_ended, granularity="DAILY", group_by=["compartmentName"] ) usage_response = oci.pagination.list_call_get_all_results( usage_api_client.request_summarized_usages, request_summarized_usages_details=request_summarized_usages_details ) # Aggregate by compartment compartment_costs = {} for item in usage_response.data.items: compartment = item.compartment_name if compartment not in compartment_costs: compartment_costs[compartment] = { "compartment_name": compartment, "compartment_id": item.compartment_id, "total_cost": 0.0, "currency": item.currency, } compartment_costs[compartment]["total_cost"] += float(item.computed_amount) if item.computed_amount else 0.0 result = list(compartment_costs.values()) logger.info(f"Retrieved cost breakdown for {len(result)} compartments") return result except Exception as e: logger.exception(f"Error getting cost by compartment: {e}") raise
• mcp_server_oci/mcp_server.py:1540-1558 (registration)

  MCP tool registration with @mcp.tool and wrapper function that invokes the core handler using the initialized OCI usage_api client.
  @mcp.tool(name="get_cost_by_compartment") @mcp_tool_wrapper( start_msg="Getting cost breakdown by compartment...", error_prefix="Error getting cost by compartment" ) async def mcp_get_cost_by_compartment(ctx: Context, tenant_id: str, time_usage_started: str, time_usage_ended: str) -> List[Dict[str, Any]]: """ Get cost breakdown by compartment for a tenancy. Args: tenant_id: OCID of the tenancy time_usage_started: Start time in ISO format (YYYY-MM-DD) time_usage_ended: End time in ISO format (YYYY-MM-DD) Returns: List of costs grouped by compartment with total cost per compartment """ return get_cost_by_compartment(oci_clients["usage_api"], tenant_id, time_usage_started, time_usage_ended)