Comprehensive JavaScript reference covering 33+ essential concepts every developer should know. From fundamentals...
AI & LLM
LLM integrations, prompt engineering, and AI orchestration
7,400 Skills
Expert in building portfolios that actually land jobs and clients - not just showing work, but creating memorable...
Inngest expert for serverless-first background jobs, event-driven workflows, and durable execution without managing...
Internationalization and localization patterns. Detecting hardcoded strings, managing translations, locale files,...
Expert patterns for HubSpot CRM integration including OAuth authentication, CRM objects, associations, batch...
This skill should be used when the user asks to "test for HTML injection", "inject HTML into web pages", "perform...
GraphQL gives clients exactly the data they need - no more, no less. One endpoint, typed schema, introspection. But...
Automate GitHub workflows with AI assistance. Includes PR reviews, issue triage, CI/CD integration, and Git...
Stage, commit, and push git changes with conventional commit messages. Use when user wants to commit and push...
Generative Engine Optimization for AI search engines (ChatGPT, Claude, Perplexity).
Specialized skill for building production-ready serverless applications on GCP. Covers Cloud Run services...
Game development orchestrator. Routes to platform-specific skills based on project needs.
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading,...
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks...
When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or...
When the user wants to optimize any form that is NOT signup/registration — including lead capture forms, contact...
Firebase gives you a complete backend in minutes - auth, database, storage, functions, hosting. But the ease of...
Expert at handling file uploads and cloud storage. Covers S3, Cloudflare R2, presigned URLs, multipart uploads, and...
Intelligently organizes files and folders by understanding context, finding duplicates, and suggesting better...
Use when you have a written implementation plan to execute in a separate session with review checkpoints
Guide developers through setting up development environments with proper tools, dependencies, and configurations
Email has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an...
When the user wants to create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email...
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting...