Engineering best-practice skills for Claude Code — Go, TypeScript, Python, React, Angular, Next.js, NestJS, and Database
The open agent skills ecosystem
Skillflag producer CLI reference implementation.
A fast, cross-platform package manager for AI agent skills
Playwright CLI
Initialize Neon projects
Install SKILL.md files, MCP servers, and AGENTS.md guidance for any coding agent. Ships both a Node API and a CLI.
Graph-powered code intelligence for AI agents. Index any codebase, query via MCP or CLI.
Playwright Tools for MCP
Context7 CLI - Manage AI coding skills and documentation context
Command-line interface for Firecrawl. Scrape, crawl, and extract data from any website directly from your terminal.
1,493+ agentic skills for Claude Code, Gemini CLI, Cursor, Antigravity & more. Installer CLI.
MCP Apps SDK — Enable MCP servers to display interactive user interfaces in conversational clients.
Universal skills loader for AI coding agents - install and load Anthropic SKILL.md format skills in any agent
Sellable MCP server for Claude Code and Codex campaign workflows
The **[Anthropic provider](https://ai-sdk.dev/providers/ai-sdk-providers/anthropic)** for the [AI SDK](https://ai-sdk.dev/docs) contains language model support for the [Anthropic Messages API](https://docs.anthropic.com/claude/reference/messages_post).
Lightweight core CLI surface for Claude Flow — memory + hooks commands only. Designed to load fast on cold npx cache (<5s) so plugin skills don't race the 30s MCP-startup timeout. The full @claude-flow/cli metapackage lazy-loads everything else on top of
Categorized, deterministically-ranked SKILL.md catalog AND MCP server for Claude Code (and any agent that speaks MCP). 1128 curated skills across 17 categories — frontend, backend, video editing, AI video generation, UI design, motion graphics, 3D, devops
All in one Skill manager for AI coding agents. Install, update, and sync Skills across Claude Code, Cursor, Copilot + more.
CLI for Context Hub - search and retrieve LLM-optimized docs and skills
AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.
Storybook for React and Rsbuild: Develop React components in isolation with Hot Reloading.
Structured diagnostic code library
Ship compositional knowledge for AI coding agents alongside your npm packages