100ms Raydium Sniper MCP

// Mock implementation of the MCP SDK import * as readline from 'readline'; export class Server { private name: string; private version: string; private capabilities: any; public onerror: (error: any) => void; private handlers: Map<string, any> = new Map(); private transport: any; private rl: readline.Interface | null = null; constructor(info: { name: string; version: string }, options: { capabilities: any }) { this.name = info.name; this.version = info.version; this.capabilities = options.capabilities; this.onerror = (error) => console.error('[MCP Error]', error); } setRequestHandler(schema: any, handler: any) { this.handlers.set(schema.method, handler); } async connect(transport: any) { this.transport = transport; // Redirect all console.log to console.error const originalConsoleLog = console.log; console.log = function(...args: any[]) { console.error(...args); }; // Set up readline interface for stdin/stdout this.rl = readline.createInterface({ input: process.stdin, output: process.stdout, terminal: false }); // Handle incoming messages this.rl.on('line', async (line) => { try { const message = JSON.parse(line); // Handle initialize message if (message.method === 'initialize') { const response = { jsonrpc: '2.0', id: message.id, result: { serverInfo: { name: this.name, version: this.version }, capabilities: this.capabilities } }; process.stdout.write(JSON.stringify(response) + '\n'); // Don't return, continue listening for more messages } // Handle other messages const handler = this.handlers.get(message.method); if (handler) { try { const result = await handler(message); const response = { jsonrpc: '2.0', id: message.id, result }; process.stdout.write(JSON.stringify(response) + '\n'); } catch (error: any) { const errorResponse = { jsonrpc: '2.0', id: message.id, error: { code: error.code || ErrorCode.InternalError, message: error.message || 'Internal error' } }; process.stdout.write(JSON.stringify(errorResponse) + '\n'); } } else { const errorResponse = { jsonrpc: '2.0', id: message.id, error: { code: ErrorCode.MethodNotFound, message: `Method not found: ${message.method}` } }; process.stdout.write(JSON.stringify(errorResponse) + '\n'); } } catch (error: any) { this.onerror(error); } }); // Silent connection } async close() { if (this.rl) { this.rl.close(); this.rl = null; } // Silent close } } export class StdioServerTransport { constructor() {} } export const CallToolRequestSchema = { method: 'callTool', }; export const ListToolsRequestSchema = { method: 'listTools', }; export enum ErrorCode { MethodNotFound = 'METHOD_NOT_FOUND', InvalidRequest = 'INVALID_REQUEST', InternalError = 'INTERNAL_ERROR', InvalidParams = 'INVALID_PARAMS', } export class McpError extends Error { code: ErrorCode; constructor(code: ErrorCode, message: string) { super(message); this.code = code; this.name = 'McpError'; } }