index.ts•5.06 kB
#!/usr/bin/env node
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
// Import tool implementations
import { registerWebSearchTool } from "./tools/webSearch.js";
import { registerCompanyResearchTool } from "./tools/companyResearch.js";
import { registerCrawlingTool } from "./tools/crawling.js";
import { registerLinkedInSearchTool } from "./tools/linkedInSearch.js";
import { registerDeepResearchStartTool } from "./tools/deepResearchStart.js";
import { registerDeepResearchCheckTool } from "./tools/deepResearchCheck.js";
import { log } from "./utils/logger.js";
// Configuration schema for the EXA API key and tool selection
export const configSchema = z.object({
exaApiKey: z.string().optional().describe("Exa AI API key for search operations"),
enabledTools: z.array(z.string()).optional().describe("List of tools to enable (if not specified, all tools are enabled)"),
debug: z.boolean().default(false).describe("Enable debug logging")
});
// Tool registry for managing available tools
const availableTools = {
'web_search_exa': { name: 'Web Search (Exa)', description: 'Real-time web search using Exa AI', enabled: true },
'company_research_exa': { name: 'Company Research', description: 'Research companies and organizations', enabled: true },
'crawling_exa': { name: 'Web Crawling', description: 'Extract content from specific URLs', enabled: true },
'linkedin_search_exa': { name: 'LinkedIn Search', description: 'Search LinkedIn profiles and companies', enabled: true },
'deep_researcher_start': { name: 'Deep Researcher Start', description: 'Start a comprehensive AI research task', enabled: true },
'deep_researcher_check': { name: 'Deep Researcher Check', description: 'Check status and retrieve results of research task', enabled: true }
};
/**
* Exa AI Web Search MCP Server
*
* This MCP server integrates Exa AI's search capabilities with Claude and other MCP-compatible clients.
* Exa is a search engine and API specifically designed for up-to-date web searching and retrieval,
* offering more recent and comprehensive results than what might be available in an LLM's training data.
*
* The server provides tools that enable:
* - Real-time web searching with configurable parameters
* - Company research and analysis
* - Web content crawling
* - LinkedIn search capabilities
* - Deep research workflows
* - And more!
*/
export default function ({ config }: { config: z.infer<typeof configSchema> }) {
try {
// Check for Heroku environment variables
const exaApiKey = process.env.EXA_API_KEY || config.exaApiKey;
const enabledToolsStr = process.env.ENABLED_TOOLS;
const enabledTools = enabledToolsStr ? enabledToolsStr.split(',') : config.enabledTools;
const debug = process.env.DEBUG === 'true' || config.debug;
// Override config with Heroku environment variables if present
config = {
...config,
exaApiKey,
enabledTools,
debug
};
if (config.debug) {
log("Starting Exa MCP Server in debug mode");
}
// Create MCP server
const server = new McpServer({
name: "exa-search-server",
version: "2.0.3"
});
log("Server initialized with modern MCP SDK and Smithery CLI support");
// Helper function to check if a tool should be registered
const shouldRegisterTool = (toolId: string): boolean => {
if (config.enabledTools && config.enabledTools.length > 0) {
return config.enabledTools.includes(toolId);
}
return availableTools[toolId as keyof typeof availableTools]?.enabled ?? false;
};
// Register tools based on configuration
const registeredTools: string[] = [];
if (shouldRegisterTool('web_search_exa')) {
registerWebSearchTool(server, config);
registeredTools.push('web_search_exa');
}
if (shouldRegisterTool('company_research_exa')) {
registerCompanyResearchTool(server, config);
registeredTools.push('company_research_exa');
}
if (shouldRegisterTool('crawling_exa')) {
registerCrawlingTool(server, config);
registeredTools.push('crawling_exa');
}
if (shouldRegisterTool('linkedin_search_exa')) {
registerLinkedInSearchTool(server, config);
registeredTools.push('linkedin_search_exa');
}
if (shouldRegisterTool('deep_researcher_start')) {
registerDeepResearchStartTool(server, config);
registeredTools.push('deep_researcher_start');
}
if (shouldRegisterTool('deep_researcher_check')) {
registerDeepResearchCheckTool(server, config);
registeredTools.push('deep_researcher_check');
}
if (config.debug) {
log(`Registered ${registeredTools.length} tools: ${registeredTools.join(', ')}`);
}
// Return the server object (Smithery CLI handles transport)
return server.server;
} catch (error) {
log(`Server initialization error: ${error instanceof Error ? error.message : String(error)}`);
throw error;
}
}