Claude
💬 Chat & Assistant
Anthropic's AI assistant purpose-built for safety and reliability, with industry-leading long context windows of up to 200K tokens that allow for deep analysis of lengthy documents and codebases. It excels at nuanced reasoning, careful writing, and detailed technical work, making it a favorite among developers, researchers, and enterprises who need trustworthy AI assistance with a strong emphasis on accuracy and helpfulness.
GitHub High-Star Skills
Popular open-source projects and tools in the Claude ecosystem
Everything Claude Code (ECC)
The #1 Claude Code enhancement ecosystem with 48 agents, 183 skills, AgentShield security testing, and Continuous Learning v2. Born from an Anthropic hackathon win.
Claw Code
Clean-room Python/Rust rewrite of Claude Code. Achieved 50K stars in 2 hours after the source code leak — the fastest in GitHub history. Created by Columbia University student Sigrid Jin.
Learn Claude Code
Educational 'nano' agent harness that teaches how agent internals work. Build your own agent from scratch with this step-by-step learning resource.
Anthropic Skills
Official production-grade Claude Code skills repository from Anthropic. Reusable skill files for planning, coding, testing, and security review workflows.
Getting Started with Claude
Step-by-step setup guide
- 1Visit claude.ai and sign up using your email or Google account.
- 2Once logged in, start a conversation by typing directly in the chat input — Claude supports long context windows of up to 200K tokens.
- 3Upload documents (PDF, Word, TXT, CSV) for Claude to read, analyze, and summarize.
- 4Enable Projects in settings to organize related documents and conversations into dedicated workspaces.
- 5Use Artifacts to make Claude generate and preview code, charts, documents, and other rich content inline.
Key Features
What Claude offers
Long Context Window
Supports up to 200K tokens per conversation — equivalent to processing an entire book in one session, excellent for long-document analysis.
Projects Workspace
Organize documents, conversations, and custom instructions into projects. Each conversation builds on project context for sustained work.
Artifacts
Claude generates and displays interactive content inline: code snippets, SVG charts, HTML pages, documents — all previewable within the chat.
Document Analysis & Summaries
Upload PDFs, Word docs, Excel files — Claude extracts key information, summarizes points, and answers questions about the content.
Extended Thinking
Enable thinking mode for complex problems — Claude reasons step-by-step before answering, ideal for math, logic, and complex programming tasks.
Code Generation & Debugging
Supports multi-language code generation, debugging, and explanation. Handles large codebases for engineering-level suggestions.