mcp-use/dist/examples/mcp_everything.js

A utility library for integrating Model Context Protocol (MCP) with LangChain, Zod, and related tools. Provides helpers for schema conversion, event streaming, and SDK usage.

/**
 * This example shows how to test the different functionalities of MCPs using the MCP server from
 * anthropic.
 */
import { ChatOpenAI } from '@langchain/openai';
import { config } from 'dotenv';
import { MCPAgent, MCPClient } from '../index.js';
// Load environment variables from .env file
config();
const everythingServer = {
    mcpServers: { everything: { command: 'npx', args: ['-y', '@modelcontextprotocol/server-everything'] } },
};
async function main() {
    const client = new MCPClient(everythingServer);
    const llm = new ChatOpenAI({ model: 'gpt-4o', temperature: 0 });
    const agent = new MCPAgent({ llm, client, maxSteps: 30 });
    const result = await agent.run(`Hello, you are a tester can you please answer the follwing questions:
- Which resources do you have access to?
- Which prompts do you have access to?
- Which tools do you have access to?`, 30);
    console.log(`\nResult: ${result}`);
}
if (import.meta.url === `file://${process.argv[1]}`) {
    main().catch(console.error);
}