Meeting BaaS MCP Server

/** * QR Code Generation Tool * * This tool generates an AI-powered QR code image that can be used as a bot avatar. * It calls the odin.qrcode-ai.com API to generate a customized QR code based on AI prompts. */ import { z } from 'zod'; import { createTool, MeetingBaaSTool } from '../utils/tool-types.js'; // API configuration const QR_API_ENDPOINT = 'https://odin.qrcode-ai.com/api/qrcode'; const DEFAULT_QR_API_KEY = 'qrc_o-Fx3GXW3TC7_cLvatIW1699177588300'; // Default key for demo purposes // Define available QR code styles const QR_STYLES = ['style_default', 'style_dots', 'style_rounded', 'style_crystal'] as const; // Define QR code types const QR_TYPES = ['url', 'email', 'phone', 'sms', 'text'] as const; // Define the parameters for the generate QR code tool const generateQRCodeParams = z.object({ type: z.enum(QR_TYPES).describe('Type of QR code (url, email, phone, sms, text)'), to: z.string().describe('Destination for the QR code (URL, email, phone number, or text)'), prompt: z .string() .max(1000) .describe( 'AI prompt to customize the QR code (max 1000 characters). You can also include your API key in the prompt using format "API key: qrc_your_key"', ), style: z.enum(QR_STYLES).default('style_default').describe('Style of the QR code'), useAsBotImage: z .boolean() .default(true) .describe('Whether to use the generated QR code as the bot avatar'), template: z.string().optional().describe('Template ID for the QR code (optional)'), apiKey: z .string() .optional() .describe('Your QR Code AI API key (optional, will use default if not provided)'), }); /** * Extracts a QR Code API key from the prompt text * * @param prompt The prompt text that might contain an API key * @returns The extracted API key or null if not found */ function extractApiKeyFromPrompt(prompt: string): string | null { const patterns = [ /api\s*key\s*[=:]\s*(qrc_[a-zA-Z0-9_-]+)/i, /using\s*api\s*key\s*[=:]\s*(qrc_[a-zA-Z0-9_-]+)/i, /with\s*api\s*key\s*[=:]\s*(qrc_[a-zA-Z0-9_-]+)/i, /api\s*key\s*is\s*(qrc_[a-zA-Z0-9_-]+)/i, /api\s*key\s*(qrc_[a-zA-Z0-9_-]+)/i, /(qrc_[a-zA-Z0-9_-]+)/i, // Last resort to just look for the key format ]; for (const pattern of patterns) { const match = prompt.match(pattern); if (match && match[1]) { return match[1]; } } return null; } /** * Cleans the prompt by removing any API key mentions * * @param prompt The original prompt text * @returns The cleaned prompt without API key mentions */ function cleanPrompt(prompt: string): string { // Remove API key phrases let cleaned = prompt.replace(/(\s*api\s*key\s*[=:]\s*qrc_[a-zA-Z0-9_-]+)/gi, ''); cleaned = cleaned.replace(/(\s*using\s*api\s*key\s*[=:]\s*qrc_[a-zA-Z0-9_-]+)/gi, ''); cleaned = cleaned.replace(/(\s*with\s*api\s*key\s*[=:]\s*qrc_[a-zA-Z0-9_-]+)/gi, ''); cleaned = cleaned.replace(/(\s*api\s*key\s*is\s*qrc_[a-zA-Z0-9_-]+)/gi, ''); cleaned = cleaned.replace(/(\s*api\s*key\s*qrc_[a-zA-Z0-9_-]+)/gi, ''); // Remove just the key if it exists independently cleaned = cleaned.replace(/(\s*qrc_[a-zA-Z0-9_-]+)/gi, ''); // Trim and clean up double spaces cleaned = cleaned.trim().replace(/\s+/g, ' '); return cleaned; } /** * Generate QR Code Tool * * This tool generates an AI-powered QR code that can be used as a bot avatar. */ export const generateQRCodeTool: MeetingBaaSTool<typeof generateQRCodeParams> = createTool( 'generateQRCode', 'Generate an AI-powered QR code that can be used as a bot avatar. You can include your API key directly in the prompt by saying "API key: qrc_your_key".', generateQRCodeParams, async (args, context) => { const { log } = context; log.info('Generating QR code', { type: args.type, prompt: args.prompt }); // 1. Look for API key in the prompt text const promptApiKey = extractApiKeyFromPrompt(args.prompt); // 2. Clean the prompt by removing API key mentions if found const cleanedPrompt = cleanPrompt(args.prompt); // 3. Determine which API key to use (priority: 1. Param API key, 2. Prompt API key, 3. Environment variable) // Check for QRCODE_API_KEY in process.env or get from config if available const defaultApiKey = process.env.QRCODE_API_KEY || DEFAULT_QR_API_KEY || ''; const effectiveApiKey = args.apiKey || promptApiKey || defaultApiKey; // Log which key is being used (without revealing the actual key) log.info( `Using QR Code API key from: ${args.apiKey ? 'parameter' : promptApiKey ? 'prompt' : defaultApiKey === DEFAULT_QR_API_KEY ? 'default' : 'environment'}`, ); try { const response = await fetch(QR_API_ENDPOINT, { method: 'POST', headers: { 'Content-Type': 'application/json', 'x-api-key': effectiveApiKey, }, body: JSON.stringify({ type: args.type, to: args.to, prompt: cleanedPrompt, // Use the cleaned prompt without API key style: args.style, template: args.template || '67d30dd4d22a25b77317f407', // Default template }), }); if (!response.ok) { const errorText = await response.text(); let errorData; try { errorData = JSON.parse(errorText); } catch (e) { errorData = { message: errorText }; } log.error('QR Code API error:', { status: response.status, error: errorData }); return { content: [ { type: 'text' as const, text: `QR code generation failed: ${response.status} ${errorData.message || errorText}`, }, ], isError: true, }; } const data = await response.json(); if (!data.qrcode?.url) { log.error('QR code URL not found in response', { data }); return { content: [ { type: 'text' as const, text: 'QR code URL not found in response', }, ], isError: true, }; } // Return the QR code URL const qrCodeUrl = data.qrcode.url; const responseText = `QR code generated successfully!\n\n` + `URL: ${qrCodeUrl}\n\n` + `This image ${args.useAsBotImage ? 'can be used' : 'will not be used'} as a bot avatar.\n\n` + `To create a bot with this QR code image, use the joinMeeting tool with botImage: "${qrCodeUrl}"`; return { content: [ { type: 'text' as const, text: responseText, }, ], isError: false, metadata: { qrCodeUrl: qrCodeUrl, useAsBotImage: args.useAsBotImage, }, }; } catch (error: unknown) { log.error('Error generating QR code', { error: String(error) }); return { content: [ { type: 'text' as const, text: `Error generating QR code: ${error instanceof Error ? error.message : String(error)}`, }, ], isError: true, }; } }, );