Smart Prompts MCP Server

// Enhanced cache system with GitHub integration import { PromptInfo, UsageStats } from './types.js'; import { EnhancedGitHubPromptFetcher } from './github-enhanced.js'; import { ServerConfig } from './config.js'; export class EnhancedPromptCache { private prompts: Map<string, PromptInfo> = new Map(); private promptsByCategory: Map<string, Set<string>> = new Map(); private promptsByTag: Map<string, Set<string>> = new Map(); private usageStats: Map<string, UsageStats> = new Map(); private lastFetch: number = 0; private fetcher: EnhancedGitHubPromptFetcher; private config: ServerConfig; private refreshTimer?: NodeJS.Timeout; constructor(fetcher: EnhancedGitHubPromptFetcher, config: ServerConfig) { this.fetcher = fetcher; this.config = config; } /** * Initialize the cache and start refresh timer */ async initialize(): Promise<void> { await this.refresh(); // Set up periodic refresh if (this.config.cache.refreshInterval > 0) { this.refreshTimer = setInterval(() => { this.refresh().catch(console.error); }, this.config.cache.refreshInterval); } } /** * Refresh cache from GitHub */ async refresh(): Promise<void> { try { console.error('Refreshing prompt cache from GitHub...'); const prompts = await this.fetcher.fetchAllPrompts(); // Clear existing caches this.prompts.clear(); this.promptsByCategory.clear(); this.promptsByTag.clear(); // Populate caches for (const prompt of prompts) { this.prompts.set(prompt.name, prompt); // Index by category if (prompt.metadata.category) { if (!this.promptsByCategory.has(prompt.metadata.category)) { this.promptsByCategory.set(prompt.metadata.category, new Set()); } this.promptsByCategory.get(prompt.metadata.category)!.add(prompt.name); } // Index by tags if (prompt.metadata.tags) { for (const tag of prompt.metadata.tags) { if (!this.promptsByTag.has(tag)) { this.promptsByTag.set(tag, new Set()); } this.promptsByTag.get(tag)!.add(prompt.name); } } } this.lastFetch = Date.now(); console.error(`Cache refreshed with ${prompts.length} prompts`); } catch (error) { console.error('Error refreshing cache:', error); } } /** * Get all prompts */ getAllPrompts(): PromptInfo[] { return Array.from(this.prompts.values()); } /** * Get a specific prompt by name */ getPrompt(name: string): PromptInfo | undefined { const prompt = this.prompts.get(name); if (prompt) { this.trackUsage(name); } return prompt; } /** * Get prompts by category */ getPromptsByCategory(category: string): PromptInfo[] { const promptNames = this.promptsByCategory.get(category); if (!promptNames) return []; return Array.from(promptNames) .map(name => this.prompts.get(name)) .filter((p): p is PromptInfo => p !== undefined); } /** * Get prompts by tag */ getPromptsByTag(tag: string): PromptInfo[] { const promptNames = this.promptsByTag.get(tag); if (!promptNames) return []; return Array.from(promptNames) .map(name => this.prompts.get(name)) .filter((p): p is PromptInfo => p !== undefined); } /** * Search prompts by query */ searchPrompts(query: string): PromptInfo[] { const lowerQuery = query.toLowerCase(); return this.getAllPrompts().filter(prompt => { const inTitle = prompt.metadata.title?.toLowerCase().includes(lowerQuery); const inDescription = prompt.metadata.description?.toLowerCase().includes(lowerQuery); const inContent = prompt.content?.toLowerCase().includes(lowerQuery); const inTags = prompt.metadata.tags?.some(tag => tag.toLowerCase().includes(lowerQuery) ); return inTitle || inDescription || inContent || inTags; }); } /** * Get categories */ getCategories(): string[] { return Array.from(this.promptsByCategory.keys()).sort(); } /** * Get all tags */ getTags(): string[] { return Array.from(this.promptsByTag.keys()).sort(); } /** * Track usage of a prompt */ private trackUsage(promptId: string): void { if (!this.config.features.usageTracking) return; const stats = this.usageStats.get(promptId) || { promptId, count: 0, lastUsed: new Date().toISOString(), ratings: [], }; stats.count++; stats.lastUsed = new Date().toISOString(); this.usageStats.set(promptId, stats); } /** * Get usage statistics */ getUsageStats(): UsageStats[] { return Array.from(this.usageStats.values()) .sort((a, b) => b.count - a.count); } /** * Get recently used prompts */ getRecentPrompts(limit: number = 10): PromptInfo[] { const recentStats = Array.from(this.usageStats.values()) .sort((a, b) => new Date(b.lastUsed).getTime() - new Date(a.lastUsed).getTime()) .slice(0, limit); return recentStats .map(stat => this.prompts.get(stat.promptId)) .filter((p): p is PromptInfo => p !== undefined); } /** * Clean up resources */ async cleanup(): Promise<void> { if (this.refreshTimer) { clearInterval(this.refreshTimer); } } /** * Check if cache needs refresh */ needsRefresh(): boolean { return Date.now() - this.lastFetch > this.config.cache.ttl; } }