Early FrontierClaude Directory
Claude resources, raw and organized.
Everything on one page, organized into six buckets. No cards, no fluff.
Official Anthropic Resources
Authoritative references and platforms directly from Anthropic.
Current Models
- Claude Opus 4.5 — World's best for coding, agents, computer use, and complex enterprise tasks.
- Claude Sonnet 4.5 — Balanced intelligence, speed, and cost.
- Claude Haiku 4.5 — Fastest and most cost-effective model.
API & Developer Platform
- Anthropic Console — Sign up, get API keys, test prompts, and monitor usage.
- Official Documentation — API reference, guides, prompt engineering, tool use, and more.
- API Overview & Pricing — Usage-based pricing, prompt caching, web search, computer use, batch processing.
SDKs & Development Tools
- anthropic-sdk-python — Python SDK with async support and type hints.
- anthropic-sdk-typescript — TypeScript/JavaScript SDK for Node.js and browsers.
- anthropic-sdk-java — Java/Kotlin SDK with modern features.
- anthropic-sdk-go — Go SDK with idiomatic design.
- anthropic-sdk-php — PHP SDK (beta).
- anthropic-sdk-csharp — C#/.NET SDK (beta).
- anthropic-sdk-ruby — Ruby SDK.
- Claude Agent SDK (Python)
- Claude Agent SDK (TypeScript)
- Claude Cookbook — Official notebooks and recipes for common patterns.
- Claude Quickstarts — Ready-to-deploy example apps.
Cloud Providers
- Amazon Bedrock — Managed access to Claude models in AWS.
- Google Cloud Vertex AI Model Garden — Deploy Claude models in Google Cloud.
- Microsoft Azure AI Model Catalog — Anthropic models via Azure AI catalog.
Transparency & Safety
- Transparency Hub — Safety evaluations and improvements across models.
- Claude Opus 4.5 System Card — Capability and safety report (Nov 2025).
- Claude Sonnet 4.5 System Card — Evaluations report (Sep 2025).
- Claude Haiku 4.5 System Card — Safety and performance report (Oct 2025).
Community Curated Lists
Community lists and collections maintained by the community.
- Claude Code List (hesreallyhim) — Slash-commands, CLAUDE.md files, CLI tools, and workflows.
- Claude Skills List (travisvn) — Resources and tools for customizing Claude Skills.
- Claude Skills List (BehiSecc) — Categorized skills for docs, dev tools, and data analysis.
- Claude Prompts List (langgptai) — Prompt examples designed to improve Claude interactions.
- Claude Agents List (vijaythecoder) — Specialized AI agents for building features and debugging.
- Claude Subagents List (VoltAgent) — 100+ specialized AI agents for full-stack development.
- MCP Servers List (punkpeye) — Curated list of MCP servers for extending Claude.
Extensions & Integrations
Connect Claude to the tools and systems you already use.
IDE Extensions
- Claude Code Chat — Native Claude Code chat interface inside VS Code.
- Claude VSCode Theme — Theme inspired by Claude AI with warm syntax colors.
Browser Extensions
- Claude for Chrome (Beta) — Claude works directly in your browser to take actions on your behalf.
- Claude Usage Tracker — Track Claude usage and performance metrics.
Applications
End-to-end products and workflows built on top of Claude.
Desktop
- Claude Desktop — Official Claude desktop app for macOS and Windows.
- Claude Desktop Debian — Unofficial Claude desktop app for Debian/Linux.
Educational Resources
Guides, courses, and practical references for getting up to speed.
Official Courses
- AI Fluency: Framework & Foundations — Collaborate with AI systems effectively and safely.
- AI Fluency for Educators — Apply AI Fluency in teaching practice and strategy.
- AI Fluency for Students — Enhance learning and career planning with AI.
- AI Fluency for Nonprofits — Increase organizational impact with AI.
- Teaching AI Fluency — Teach and assess AI Fluency in instructor-led settings.
- Building with the Claude API — Full spectrum of working with the Claude API.
- Claude Code in Action — Practical walkthrough for Claude Code workflows.
- Introduction to Model Context Protocol — Build MCP servers and clients from scratch.
- MCP: Advanced Topics — Sampling, notifications, and transports.
- Claude with Amazon Bedrock — Accreditation program course.
- Claude with Google Vertex AI — Working with Anthropic models via Vertex AI.
Video Tutorials
- Claude Video Tutorials — Official video tutorials from Claude Support.
Community Guides
- Claude Code Everything You Need to Know — All-in-one guide covering setup, prompts, and workflows.
- 40+ Claude Code Tips — Tips for getting the most out of Claude Code.
- My Experience With Claude Code (Part 1) — Lessons on keeping Claude on track and managing costs.
- A Guide to Claude Code 2.0 (Part 2) — Agent Manager mindset and context engineering.
Community
People, projects, and collaboration around Claude.
- Claude Discord — Official Discord community for Claude users.
- r/ClaudeAI — Reddit community for Claude discussions and tips.
- Anthropic AI Facebook Group — Facebook group for Anthropic AI and Claude discussions.
- Early Frontier GitHub — Contribute guides, report issues, or request updates.
- Contributing Guide — How to add resources or improve the directory.