import {
CallToolResultSchema,
Client,
ListToolsResultSchema,
StreamableHTTPClientTransport
} from '@modelcontextprotocol/client';
const serverUrl = process.argv[2] ?? 'http://127.0.0.1:3000/mcp';
const run = async (): Promise<void> => {
const client = new Client({ name: 'starter-demo-client', version: '1.0.0' });
const transport = new StreamableHTTPClientTransport(new URL(serverUrl));
await client.connect(transport);
const tools = await client.request(
{
method: 'tools/list',
params: {}
},
ListToolsResultSchema
);
console.log('Tools:', tools.tools.map((tool) => tool.name).join(', '));
const callResult = await client.request(
{
method: 'tools/call',
params: {
name: 'calculate',
arguments: {
operation: 'multiply',
left: 7,
right: 6
}
}
},
CallToolResultSchema
);
console.log('Tool response:', JSON.stringify(callResult.structuredContent ?? callResult.content, null, 2));
await transport.terminateSession();
await client.close();
};
run().catch((error) => {
console.error(error);
process.exit(1);
});
