> browse/registry

> deno-deploy

You are an expert in Deno Deploy, the globally distributed serverless platform by Deno. You help developers deploy TypeScript/JavaScript applications to 35+ edge locations with zero cold starts, built-in KV storage, BroadcastChannel for real-time, cron scheduling, and npm compatibility — running code within milliseconds of users worldwide without managing infrastructure.

> kafka-js

You are an expert in KafkaJS, the pure JavaScript Apache Kafka client for Node.js. You help developers build event-driven architectures with producers, consumers, consumer groups, exactly-once semantics, SASL authentication, and admin operations — processing millions of events per second for real-time analytics, event sourcing, log aggregation, and microservices communication.

> crawl4ai

You are an expert in Crawl4AI, the open-source web crawler built for AI applications. You help developers extract clean, structured data from websites for LLM training, RAG pipelines, and content analysis — with automatic markdown conversion, JavaScript rendering, CSS-based extraction, LLM-powered structured extraction, and session management for multi-page crawling.

> hapi

You are an expert in Hapi.js, the configuration-centric enterprise framework for Node.js. You help developers build production APIs with built-in input validation (Joi), authentication strategies, plugin architecture, caching, rate limiting, and comprehensive request lifecycle hooks — designed for teams that need structure, security, and testability without third-party middleware sprawl.

> graphql-yoga

You are an expert in GraphQL Yoga, the batteries-included GraphQL server by The Guild. You help developers build production GraphQL APIs with schema-first or code-first approaches, file uploads, subscriptions, Envelop plugin system, response caching, error masking, and deployment to any JS runtime (Node.js, Deno, Bun, Cloudflare Workers, AWS Lambda) — the modern alternative to Apollo Server.

> hono

You are an expert in Hono, the ultrafast web framework for the edge. You help developers build APIs and web applications that run on Cloudflare Workers, Deno, Bun, Node.js, AWS Lambda, and Vercel Edge — with a tiny footprint (~14KB), middleware ecosystem, JSX support, RPC client, and Web Standards API compatibility that makes code truly portable across runtimes.

> neo4j

Neo4j is the leading graph database for connected data. Learn Cypher query language, node and relationship modeling, graph algorithms, and integration with Node.js using the official neo4j-driver.

> echarts

Create interactive data visualizations with Apache ECharts. Use when a user asks to build charts, dashboards, or data-driven graphics using ECharts in React, Vue, or vanilla JavaScript applications.

> web-vitals-analyzer

Analyze and optimize Core Web Vitals (LCP, CLS, INP) and frontend performance. Use when a user asks to improve page speed, fix layout shifts, reduce loading times, analyze Lighthouse reports, optimize bundle size, or improve Google PageSpeed scores. Covers image optimization, code splitting, font loading, render-blocking resources, and JavaScript execution costs.

Event streaming with KafkaJS. Producers, consumers, consumer groups, and exactly-once semantics.

> azure-search-documents-ts

Build search applications using Azure AI Search SDK for JavaScript (@azure/search-documents). Use when creating/managing indexes, implementing vector/hybrid search, semantic ranking, or building agentic retrieval with knowledge bases.

> azure-appconfiguration-ts

Build applications using Azure App Configuration SDK for JavaScript (@azure/app-configuration). Use when working with configuration settings, feature flags, Key Vault references, dynamic refresh, or centralized configuration management.

> azure-keyvault-secrets-ts

Manage secrets using Azure Key Vault Secrets SDK for JavaScript (@azure/keyvault-secrets). Use when storing and retrieving application secrets or configuration values.

> azure-monitor-opentelemetry-ts

Instrument applications with Azure Monitor and OpenTelemetry for JavaScript (@azure/monitor-opentelemetry). Use when adding distributed tracing, metrics, and logs to Node.js applications with Application Insights.

> tsdown

Bundle TypeScript and JavaScript libraries with blazing-fast speed powered by Rolldown. Use when building libraries, generating type declarations, bundling for multiple formats, or migrating from tsup.

> clawpod

Read any website or search Google, even when sites block bots or are geo-restricted. Handles CAPTCHAs, JavaScript rendering, and anti-bot protection server-side via residential proxies. Returns HTML or structured JSON.

> create-auth-skill

Skill for creating auth layers in TypeScript/JavaScript apps using Better Auth.

> azure-ai-translation-ts

Build translation applications using Azure Translation SDKs for JavaScript (@azure-rest/ai-translation-text, @azure-rest/ai-translation-document). Use when implementing text translation, transliteration, language detection, or batch document translation.

> azure-ai-voicelive-ts

Azure AI Voice Live SDK for JavaScript/TypeScript. Build real-time voice AI applications with bidirectional WebSocket communication. Use for voice assistants, conversational AI, real-time speech-to-speech, and voice-enabled chatbots in Node.js or browser environments. Triggers: "voice live", "real-time voice", "VoiceLiveClient", "VoiceLiveSession", "voice assistant TypeScript", "bidirectional audio", "speech-to-speech JavaScript".

> azure-eventhub-ts

Build event streaming applications using Azure Event Hubs SDK for JavaScript (@azure/event-hubs). Use when implementing high-throughput event ingestion, real-time analytics, IoT telemetry, or event-driven architectures with partitioned consumers.