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/** * STDIO Transport * * DESIGN PATTERNS: * - Transport handler pattern implementing TransportHandler interface * - Standard I/O based communication for CLI usage * * CODING STANDARDS: * - Initialize server and transport properly * - Handle cleanup on shutdown with stop() method * - Use async/await for all operations * * AVOID: * - Forgetting to close transport on shutdown * - Missing error handling for connection failures */ import type { Server } from '@modelcontextprotocol/sdk/server/index.js'; import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'; import type { TransportHandler } from '../types/index.js'; /** * Stdio transport handler for MCP server * Used for command-line and direct integrations */ export class StdioTransportHandler implements TransportHandler { private server: Server; private transport: StdioServerTransport | null = null; constructor(server: Server) { this.server = server; } async start(): Promise<void> { this.transport = new StdioServerTransport(); await this.server.connect(this.transport); console.error('@agiflowai/one-mcp MCP server started on stdio'); } async stop(): Promise<void> { if (this.transport) { await this.transport.close(); this.transport = null; } } }