LocalStack MCP Server

import { ensureLocalStackCli, getLocalStackStatus } from "../lib/localstack/localstack.utils"; import { checkProFeature, ProFeature } from "../lib/localstack/license-checker"; import { ResponseBuilder } from "./response-builder"; type ToolResponse = ReturnType<typeof ResponseBuilder.error>; export const requireLocalStackCli = async (): Promise<ToolResponse | null> => { const cliCheck = await ensureLocalStackCli(); return cliCheck ? (cliCheck as ToolResponse) : null; }; export const requireProFeature = async (feature: ProFeature): Promise<ToolResponse | null> => { const licenseCheck = await checkProFeature(feature); return !licenseCheck.isSupported ? ResponseBuilder.error("Feature Not Available", licenseCheck.errorMessage) : null; }; export const runPreflights = async ( checks: Array<Promise<ToolResponse | null>> ): Promise<ToolResponse | null> => { const results = await Promise.all(checks); return results.find((r) => r !== null) || null; }; export const requireLocalStackRunning = async (): Promise<ToolResponse | null> => { const statusResult = await getLocalStackStatus(); if (!statusResult.isRunning) { return ResponseBuilder.error( "LocalStack Not Running", "LocalStack is not running. Please start LocalStack (e.g., 'localstack start') and try again." ); } return null; };