#!/usr/bin/env node
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import OpenAI from "openai";
import { z } from "zod";
const openai = new OpenAI();
// Create an MCP server
const server = new McpServer(
{
name: "Image Recongnition",
version: "1.0.0",
},
{
capabilities: {
tools: {
list: true,
call: true,
},
},
}
);
server.registerTool(
"describe-image",
{
title: "Describe Image",
description: "Describe an image by URL",
inputSchema: {
imageUrl: z.string().describe("The image url to describe"),
},
},
async ({ imageUrl }: { imageUrl: string }) => {
const response = await openai.responses.create({
model: "gpt-4.1-mini",
input: [
{
role: "user",
content: [
{ type: "input_text", text: "what's in this image?" },
{
detail: "high",
type: "input_image",
image_url: imageUrl,
},
],
},
],
});
return {
content: [{ type: "text", text: response.output_text }],
};
}
);
// Start receiving messages on stdin and sending messages on stdout
const transport = new StdioServerTransport();
await server.connect(transport);
