@dw8k/mcp-fallback-server/dist/main.js

MCP fallback server that extracts keywords from prompts and triggers tool recommendations.

import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import { FallbackService } from './core/services/fallback.service.js';
import { CrawlerAdapter } from './infrastructure/adapters/crawler.adapter.js';
import { GuiAdapter } from './infrastructure/adapters/gui.adapter.js';
import { McpAdapter } from './infrastructure/adapters/mcp.adapter.js';
import { config } from './infrastructure/config/index.js';
async function bootstrap() {
    // console.log('[Main] Initializing application for Stdio transport...');
    // Instantiate Adapters
    const crawlerAdapter = new CrawlerAdapter();
    const guiAdapter = new GuiAdapter();
    // console.log('[Main] Adapters initialized.');
    // Instantiate Core Service
    const fallbackService = new FallbackService(crawlerAdapter, guiAdapter);
    // console.log('[Main] Core service initialized.');
    // Instantiate MCP Adapter
    const mcpAdapter = new McpAdapter(fallbackService);
    // console.log('[Main] MCP adapter initialized.');
    // Create MCP Server
    // console.log(`[Main] Creating MCP Server: ${config.serverName || 'FallbackMCPDevServer'} v${config.serverVersion || '0.0.1'}`);
    const mcpServer = new McpServer({
        name: config.serverName || 'FallbackMCPDevServer',
        version: config.serverVersion || '0.0.1',
    });
    // console.log('[Main] MCP Server instance created.');
    // Register Tools with MCP Server
    // console.log(`[Main] Registering tool: ${mcpAdapter.toolName}...`);
    mcpServer.tool(mcpAdapter.toolName, mcpAdapter.description, mcpAdapter.inputSchema.shape, // Pass the .shape of the Zod schema
    mcpAdapter.handleCallTool);
    // console.log(`[Main] Tool '${mcpAdapter.toolName}' registered successfully.`);
    // Create Stdio Transport and Connect
    // console.log('[Main] Creating StdioServerTransport...');
    const transport = new StdioServerTransport(); // Uses default stdin/stdout
    // console.log('[Main] StdioServerTransport created.');
    // console.log('[Main] Connecting MCP Server to Stdio transport...');
    try {
        // McpServer.connect() internally calls transport.start().
        await mcpServer.connect(transport);
        // console.log('[Main] MCP Server successfully connected and listening via Stdio.');
        // Stdio server waits for input from the parent process, so no separate 'keep alive' logic is needed.
    }
    catch (error) {
        console.error('[Main] Failed to connect MCP Server to Stdio transport:', error);
        process.exit(1);
    }
}
// --- Application Entry Point ---
bootstrap().catch((error) => {
    console.error('[Main] Unhandled error during bootstrap:', error);
    process.exit(1);
});
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