o3-search-mcp/build/index.js

MCP server that enables AI agents to perform intelligent web searches using OpenAI's o3 model with natural language queries

#!/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";
// Create server instance
const server = new McpServer({
    name: "o3-search-mcp",
    version: "0.0.1",
});
// Configuration from environment variables
const config = {
    apiKey: process.env.OPENAI_API_KEY,
    maxRetries: parseInt(process.env.OPENAI_MAX_RETRIES || "3"),
    timeout: parseInt(process.env.OPENAI_API_TIMEOUT || "60000"),
    searchContextSize: (process.env.SEARCH_CONTEXT_SIZE || "medium"),
    reasoningEffort: (process.env.REASONING_EFFORT || "medium"),
};
// Initialize OpenAI client with retry and timeout configuration
const openai = new OpenAI({
    apiKey: config.apiKey,
    maxRetries: config.maxRetries,
    timeout: config.timeout,
});
// Define the o3-search tool
server.tool("o3-search", `An AI agent with advanced web search capabilities. Useful for finding the latest information, troubleshooting errors, and discussing ideas or design challenges. Supports natural language queries.`, {
    input: z
        .string()
        .describe("Ask questions, search for information, or consult about complex problems in English."),
}, async ({ input }) => {
    try {
        const response = await openai.responses.create({
            model: "o3",
            input,
            tools: [
                {
                    type: "web_search_preview",
                    search_context_size: config.searchContextSize,
                },
            ],
            tool_choice: "auto",
            parallel_tool_calls: true,
            reasoning: { effort: config.reasoningEffort },
        });
        return {
            content: [
                {
                    type: "text",
                    text: response.output_text || "No response text available.",
                },
            ],
        };
    }
    catch (error) {
        console.error("Error calling OpenAI API:", error);
        return {
            content: [
                {
                    type: "text",
                    text: `Error: ${error instanceof Error ? error.message : "Unknown error occurred"}`,
                },
            ],
        };
    }
});
async function main() {
    const transport = new StdioServerTransport();
    await server.connect(transport);
}
main().catch((error) => {
    console.error("Fatal error in main():", error);
    process.exit(1);
});
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