LocalStack MCP Server

/** * Centralized license checker for LocalStack licensed features * Provides consistent pre-flight checks for all licensed features */ export enum ProFeature { IAM_ENFORCEMENT = "localstack.platform.plugin/iam-enforcement", CLOUD_PODS = "localstack.platform.plugin/pods", CHAOS_ENGINEERING = "localstack.platform.plugin/chaos", } export interface LicenseCheckResult { isSupported: boolean; errorMessage?: string; } interface LicenseInfoResponse { available_plugins?: string[]; [key: string]: any; } /** * Check if a specific licensed feature is supported by the connected LocalStack instance * @param feature The licensed feature to check for * @returns Promise<LicenseCheckResult> indicating if the feature is supported */ import { httpClient, HttpError } from "../../core/http-client"; export async function checkProFeature(feature: ProFeature): Promise<LicenseCheckResult> { try { const licenseInfo: LicenseInfoResponse = await httpClient.request("/_localstack/licenseinfo", { method: "GET", }); if (!licenseInfo.available_plugins || !Array.isArray(licenseInfo.available_plugins)) { return { isSupported: false, errorMessage: `Unable to parse license information from LocalStack. The license response format was unexpected.`, }; } const isFeatureAvailable = licenseInfo.available_plugins.includes(feature); return isFeatureAvailable ? { isSupported: true } : { isSupported: false, errorMessage: `Your LocalStack license does not seem to include the '${feature}' feature. Please check your license details.`, }; } catch (error: any) { if (error instanceof HttpError && error.status === 404) { return { isSupported: false, errorMessage: `The '${feature}' feature requires a LocalStack license, but the license endpoint was not found. Please ensure you are running LocalStack with a valid Auth Token.`, }; } if (error.code === "ECONNREFUSED" || error.message?.includes("ECONNREFUSED")) { return { isSupported: false, errorMessage: `Cannot connect to LocalStack. Please ensure LocalStack is running and accessible at http://localhost:4566.`, }; } return { isSupported: false, errorMessage: `Unable to verify feature availability due to an unexpected error: ${error.message || "Unknown error"}`, }; } }