Lokalise MCP Server

/** * MCP Server Factory * Creates and configures MCP server instances */ import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { registerAllResources, registerAllTools } from "../domains/index.js"; import { registerAllPrompts } from "../prompts/index.js"; import { config } from "../shared/utils/config.util.js"; import { PACKAGE_NAME, VERSION } from "../shared/utils/constants.util.js"; import { Logger } from "../shared/utils/logger.util.js"; const logger = Logger.forContext("server/server-factory.ts"); /** * Create and configure a new MCP server instance */ export async function createMcpServer(): Promise<McpServer> { logger.info(`Creating Lokalise MCP server v${VERSION}`); // Create server instance const server = new McpServer({ name: PACKAGE_NAME, version: VERSION, title: "Lokalise MCP Server", }); // Set up MCP initialization handler to extract configuration setupMcpInitializationHandler(server); // Register all capabilities logger.info("Registering MCP tools, resources, and prompts..."); await registerAllTools(server); await registerAllResources(server); await registerAllPrompts(server); logger.info("MCP server created and configured successfully"); return server; } /** * Set up MCP initialization handler to extract configuration from clientInfo */ function setupMcpInitializationHandler(server: McpServer): void { const initLogger = Logger.forContext( "server-factory.ts", "setupMcpInitializationHandler", ); // Store the original oninitialized callback const originalOnInitialized = server.server.oninitialized; // Set up a custom oninitialized callback to extract configuration server.server.oninitialized = () => { initLogger.debug("MCP initialization completed"); // Try to extract configuration from the client info const clientVersion = server.server.getClientVersion(); if (clientVersion && typeof clientVersion === "object") { // Look for configuration in clientInfo - Smithery typically passes config here const configData: Record<string, unknown> = {}; // Extract all non-standard fields from clientInfo as potential config for (const [key, value] of Object.entries(clientVersion)) { if (!["name", "version", "title"].includes(key)) { configData[key] = value; } } // Also check for explicit config object if ( "config" in clientVersion && typeof clientVersion.config === "object" && clientVersion.config ) { Object.assign(configData, clientVersion.config); } if (Object.keys(configData).length > 0) { initLogger.info("Extracted configuration from MCP initialization", { configKeys: Object.keys(configData), }); config.setMcpInitConfig(configData); } } // Call the original callback if it existed if (originalOnInitialized) { originalOnInitialized(); } }; }