MCP Client

npm install @mcp-use/client

import { MCPClient } from "@mcp-use/client";

const client = new MCPClient({
  mcpServers: {
    demo: { url: "http://localhost:3000/mcp" },
  },
});

try {
  const connection = await client.connect("demo");

  const tools = await connection.listTools();
  console.log(tools.map((t) => t.name));

  const result = await connection.callTool("echo", { message: "hello" });
  const text = result.content.find((b) => b.type === "text");
  if (text?.type === "text") console.log(text.text);
} finally {
  await client.close();
}

const client = new MCPClient({
  mcpServers: {
    remote: {
      url: "https://api.example.com/mcp",
      authToken: process.env.MCP_TOKEN,
    },
    local: {
      command: "npx",
      args: ["-y", "@modelcontextprotocol/server-filesystem", "./"],
    },
  },
});