docker.js•1.31 kB
import path from 'path';
import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
async function main() {
// 1️⃣ Create the MCP client
const client = new Client({
name: 'ephemeral-example',
version: '1.0.0',
});
// 2️⃣ Connect to your js-sandbox-mcp server
await client.connect(
new StdioClientTransport({
command: 'docker',
args: [
'run',
'-i',
'--rm',
'-v',
'/var/run/docker.sock:/var/run/docker.sock',
'alfonsograziano/node-code-sandbox-mcp',
],
env: {
PATH: process.env.PATH,
},
})
);
console.log('✅ Connected to js-sandbox-mcp');
// 3️⃣ Use the new run_js_ephemeral tool in one step
const result = await client.callTool({
name: 'run_js_ephemeral',
arguments: {
image: 'node:lts-slim',
code: `
import { randomUUID } from 'node:crypto';
console.log('Ephemeral run! Your UUID is', randomUUID());
`,
dependencies: [],
},
});
console.log('▶️ run_js_ephemeral output:\n', result.content[0].text);
process.exit(0);
}
main().catch((err) => {
console.error('❌ Error in ephemeral example:', err);
process.exit(1);
});