#!/usr/bin/env node
/** Usage: YTSM_API_KEY=xxx npx tsx scripts/test-mcp.ts [videoUrl] */
import { Client } from '@modelcontextprotocol/sdk/client';
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
async function main() {
const apiKey = process.argv[2] ?? process.env.YTSM_API_KEY;
if (!apiKey) {
console.error('Usage: YTSM_API_KEY=xxx tsx scripts/test-mcp.ts [videoUrl]');
process.exit(1);
}
const baseUrl = process.env.YTSM_BASE_URL ?? 'https://youtubetranscript.dev';
const video =
process.argv[3] ?? 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
const transport = new StdioClientTransport({
command: 'node',
args: ['dist/index.js'],
env: {
YTSM_BASE_URL: baseUrl,
YTSM_API_KEY: apiKey,
},
});
const client = new Client(
{ name: 'mcp-test-client', version: '1.0.0' },
{ capabilities: {} }
);
console.log('Connecting (stdio)...');
await client.connect(transport);
const tools = await client.listTools();
console.log('\n✓ listTools:', tools.tools.length, 'tools');
tools.tools.forEach((t) => console.log(' -', t.name));
const listResult = await client.callTool({
name: 'list_transcripts',
arguments: { limit: 10, page: 1 },
});
console.log('\n✓ list_transcripts:', listResult.isError ? 'ERROR' : 'OK');
try {
const transResult = await client.callTool({
name: 'transcribe_v2',
arguments: { video, format: { timestamp: true } },
});
const hasError = transResult.isError ?? false;
console.log(
'\n✓ transcribe_v2:',
hasError ? 'API error (check base URL)' : 'OK'
);
if (transResult.content[0]?.type === 'text') {
const text = (transResult.content[0] as { text: string }).text;
console.log(' Response length:', text.length, 'chars');
}
} catch (e) {
console.log('\n✗ transcribe_v2 failed:', (e as Error).message);
}
await client.close();
console.log('\nDone.');
}
main().catch((err) => {
console.error(err);
process.exit(1);
});
