@translated/lara-mcp/dist/rest/routes/mcp.js

Lara API official MCP server

import express from "express";
import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
import getMcpServer from "#mcp/server";
import { InvalidCredentialsError, InvalidInputError, MethodNotAllowedError, ServerException, } from "#exception";
import { logger } from "#logger";
function mcpRouter(restServer) {
    const router = express.Router();
    router.post("/", async (req, res) => {
        const xLaraAccessKeyId = req.headers["x-lara-access-key-id"];
        const xLaraAccessKeySecret = req.headers["x-lara-access-key-secret"];
        if (!xLaraAccessKeyId || !xLaraAccessKeySecret) {
            logger.debug("No credentials provided in MCP request");
            restServer.sendJsonRpc(res, new InvalidCredentialsError());
            return;
        }
        const transport = new StreamableHTTPServerTransport({
            // In stateless mode we don't need to track the client session
            sessionIdGenerator: undefined,
        });
        const server = getMcpServer(xLaraAccessKeyId, xLaraAccessKeySecret);
        await server.connect(transport);
        try {
            await transport.handleRequest(req, res, req.body);
        }
        catch (error) {
            if (error instanceof InvalidInputError) {
                logger.error("Invalid input error while handling MCP request: " + error.message);
                restServer.sendJsonRpc(res, error);
                return;
            }
            logger.error("Generic error while handling MCP request: " + error);
            restServer.sendJsonRpc(res, new ServerException("Internal server error"));
        }
    });
    router.get("/", (_req, res) => {
        logger.debug("Received GET request on /v1, sending MethodNotAllowedError");
        restServer.sendJsonRpc(res, new MethodNotAllowedError());
    });
    router.delete("/", (_req, res) => {
        logger.debug("Received DELETE request on /v1, sending MethodNotAllowedError");
        restServer.sendJsonRpc(res, new MethodNotAllowedError());
    });
    return router;
}
export default mcpRouter;