export const runtime = "nodejs";
export const dynamic = "force-dynamic";
import path from "path";
import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";
declare global {
// eslint-disable-next-line no-var
var __mcpClient: Client | undefined;
}
async function getClient(): Promise<Client> {
if (globalThis.__mcpClient) return globalThis.__mcpClient;
const projectRoot = path.resolve(process.cwd(), "..");
const transport = new StdioClientTransport({
command: "node",
args: ["dist/index.js"],
cwd: projectRoot,
env: process.env as Record<string, string>,
});
const client = new Client({ name: "line-bot-ui-next", version: "0.1.0" });
await client.connect(transport);
globalThis.__mcpClient = client;
return client;
}
export async function POST(req: Request) {
try {
const client = await getClient();
const { name, args } = (await req.json()) as { name: string; args?: any };
const result = await client.callTool({ name, arguments: args || {} });
return new Response(JSON.stringify(result), {
headers: { "Content-Type": "application/json" },
});
} catch (e: any) {
return new Response(JSON.stringify({ error: e?.message || String(e) }), {
status: 500,
headers: { "Content-Type": "application/json" },
});
}
}