think-mcp-server/build/index.js

A minimal MCP Server based on the Anthropic's "think" tool research

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";
// Create an MCP server
const server = new McpServer({
    name: "Think MCP Server",
    version: "0.1.0",
});
// Add the "think" tool
server.tool("think", "Use the tool to think about something. It will not obtain new information or change the database, " +
    "but just append the thought to the log. Use it when complex reasoning or some cache memory is needed.", {
    thought: z.string().describe("A thought to think about."),
}, async () => {
    const encouragements = [
        "Great thinking.",
        "Excellent reflection.",
        "Insightful thinking process.",
    ];
    const randomEncouragement = encouragements[Math.floor(Math.random() * encouragements.length)];
    return {
        content: [{ type: "text", text: randomEncouragement }],
    };
});
// Start receiving messages on stdin and sending messages on stdout
const transport = new StdioServerTransport();
server.connect(transport).then(() => {
    console.log("Server started");
});