Online tools, MCP servers, and Agent skills

Vercel's official deployment skill — deploy a local project to Vercel with an API token in one click, handling builds, env vars and domains automatically.

Vercel's official React best-practices skill covering component design, state management, performance optimization and Next.js App Router engineering standards.

Vercel's performance-optimization skill that analyzes Web Vitals and gives actionable advice on first paint, Edge Runtime caching and image optimization.

Anthropic's official skill that turns natural-language descriptions into complete interactive web apps — single-file HTML/CSS/JS artifacts for rapid prototyping and demos.

A Model Context Protocol server-building skill that guides agents to quickly stand up MCP-compliant servers with tools, resources and prompts.

A skill creator that helps developers author SKILL.md metadata, organize reference scripts and assets, and publish packages agents can load.

Vercel's official component-composition skill teaching how to split Server Components, Client Components and Shared Components and manage data flow.

Vercel's CLI token-based deployment skill — configure an API token, then link projects, inject env vars and deploy to production from the command line.

Official filesystem server providing safe, controlled local file read/write, directory browsing, search and move operations, with a configurable allowed-directory scope.

Official PostgreSQL server offering read-only database access and schema inspection, letting AI query relational data safely.

Official SQLite server supporting database interaction and basic business-intelligence analysis, so AI can explore lightweight local databases.

Official Redis server (archived) for interacting with the Redis key-value store, supporting key queries and data browsing.

Official Git server providing tools to read, search and manipulate Git repositories — diffs, logs, branches and commits.

Official GitLab server (archived) integrating the GitLab API for project management, issues and merge-request operations.

Official web-fetching server that retrieves page content and converts it into a format suitable for LLMs, handling encoding and pagination automatically.

Official Puppeteer server (archived) providing browser automation and web scraping, with form interaction and screenshots.

OpenAI's general-purpose conversational assistant and industry benchmark, supporting writing, coding, reasoning and web search.

Anthropic's conversational assistant, strong at long-form understanding, writing and coding, with outstanding safety.

Google's multimodal large-model assistant, deeply integrated with Search, Gmail and Docs.

An open-source large model from DeepSeek with strong reasoning and exceptional value.

An AI-native code editor deeply integrating conversational programming, code completion and whole-repo refactoring.

The AI pair-programming assistant from GitHub and OpenAI, covering major IDEs.

Anthropic's command-line AI coding agent that can autonomously complete complex development tasks.

A top-tier AI image generation tool renowned for its artistic quality and composition.

freeCodeCamp.org's open-source codebase and courses providing free programming and web development curriculum across front-end, back-end and data visualization.

A curated collection of awesome lists on all kinds of interesting topics, gathering quality resources across programming, platforms, frameworks and tools.

Interactive learning roadmaps for developers covering front-end, back-end, DevOps and full-stack — helping developers plan skill growth.

A collection of free public APIs across weather, finance, gaming, machine learning and more — a quick way to find usable interfaces.

A learning resource for large system design, with Anki cards, common system-design interview questions and case studies — the top choice for interview prep.

A complete study plan for becoming a software engineer at Google and other big companies, covering data structures, algorithms and system design.

Master programming by recreating your favorite technologies from scratch — tutorials for building databases, operating systems and compilers in various languages.

Common algorithms and data structures implemented in JavaScript, each with detailed explanations and examples — great for learning and interview review.