API 与代码示例

npm install @modelcontextprotocol/sdk@1

import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { StreamableHTTPClientTransport } from '@modelcontextprotocol/sdk/client/streamableHttp.js';

const endpoint = process.env.AGENTWAN_MCP_URL;
const key = process.env.AGENTWAN_KEY;
if (!endpoint || !key) throw new Error('Missing MCP endpoint or key');
const url = new URL(endpoint);
if (url.protocol !== 'https:') throw new Error('Use an HTTPS endpoint');

const client = new Client({ name: 'device-reader', version: '1.0.0' });
try {
  await client.connect(
    new StreamableHTTPClientTransport(url, {
      requestInit: { headers: { Authorization: `Bearer ${key}` } },
    })
  );
  const { tools } = await client.listTools();
  if (!tools.some((tool) => tool.name === 'devices_list')) {
    throw new Error('This key needs devices.list permission');
  }
  const result = await client.callTool({
    name: 'devices_list',
    arguments: {},
  });
  if (result.isError)
    throw new Error('Device query failed; review client diagnostics');
  console.log(JSON.stringify(result.content, null, 2));
} finally {
  await client.close();
}