AWS MCP Server

Instructions

Implementation Reference

• src/index.ts:2285-2295 (handler)

  Handler function that lists CloudFormation stacks using ListStacksCommand with specific status filters, maps the response, and returns JSON.
  if (name === "list_cloudformation_stacks") { const command = new ListStacksCommand({ StackStatusFilter: ["CREATE_COMPLETE", "UPDATE_COMPLETE", "ROLLBACK_COMPLETE", "CREATE_IN_PROGRESS", "UPDATE_IN_PROGRESS"] }); const response = await cfnClient.send(command); const stacks = response.StackSummaries?.map(s => ({ StackName: s.StackName, StackStatus: s.StackStatus, DriftInformation: s.DriftInformation, CreationTime: s.CreationTime })) || []; return { content: [{ type: "text", text: JSON.stringify(stacks, null, 2) }] }; }
• src/index.ts:768-771 (registration)

  Tool registration in ListToolsRequestSchema, defining name, description, and empty input schema.
  name: "list_cloudformation_stacks", description: "Lists CloudFormation stacks and their status.", inputSchema: { "type": "object", "properties": {} } },
• src/index.ts:770-771 (schema)

  Input schema definition: empty object, no parameters required.
  inputSchema: { "type": "object", "properties": {} } },
• src/index.ts:77-77 (helper)

  CloudFormationClient instantiation used by the handler.
  const cfnClient = new CloudFormationClient({});
• src/index.ts:44-44 (helper)

  Import of CloudFormationClient and ListStacksCommand.
  import { CloudFormationClient, ListStacksCommand } from "@aws-sdk/client-cloudformation";