A curated, daily-updated hub for Anthropic and Claude resources: official docs, SDKs, MCP tools, research, release notes, and community projects.
Human-curated, automation-assisted. The goal is simple: help builders find the best Anthropic resources fast and stay current without scraping half the internet themselves.
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- Track Anthropic release notes, SDK updates, and ecosystem news from one place.
- Discover production tools, MCP servers, tutorials, and research without noisy general AI lists.
- Follow a live dashboard, RSS feed, and daily briefs that make the repo useful between stars.
- Contribute new resources quickly through issues or pull requests.
- Live dashboard - Browse the curated feed, top stories, benchmarks, and changelog in one UI.
- Official Resources - Anthropic docs, blog, release notes, model spec, and prompt library.
- Claude API & SDKs - Official and community SDKs plus integration libraries.
- Model Context Protocol (MCP) - Core MCP docs, SDKs, servers, and tools.
- Projects & Applications - Popular Claude-powered products, agents, and workflows.
- News Digest - Daily snapshot of official launches, community buzz, and GitHub releases.
- Updated daily from official Anthropic release notes and ecosystem sources.
- Includes a GitHub Pages dashboard, RSS feed, contribution templates, and distribution tooling.
- Built for developers, researchers, founders, and operators following Claude closely.
- Official Resources
- Models
- Claude API & SDKs
- Model Context Protocol (MCP)
- Anthropic Research Papers
- AI Safety & Alignment
- Prompt Engineering
- Projects & Applications
- Learning Resources
- Community
- Comparisons & Benchmarks
- Changelog (Auto-updated)
- News Digest (Auto-updated)
- Distribution & Growth
- Anthropic Homepage - Official company website.
- Anthropic Blog - Announcements, research, and product updates.
- Claude.ai - Consumer-facing Claude web and mobile interface.
- Claude API Documentation - Full API reference and guides.
- Release Notes - Official product changelog.
- Anthropic Research - Published papers and technical reports.
- Anthropic Responsible Scaling Policy (RSP) - Commitments around safe model deployment.
- Claude's Model Specification - Claude's values, character, and guidelines.
- Anthropic on GitHub - Official open-source repositories.
- Anthropic on Hugging Face - Model cards and datasets.
- Anthropic Careers - Open roles at Anthropic.
- Anthropic Prompt Library - Curated example prompts by Anthropic.
- Claude on AWS Bedrock - Claude via Amazon Bedrock.
- Claude on Google Vertex AI - Claude via Google Cloud.
| Model | Context | Best For |
|---|---|---|
| Claude Opus 4.6 | 1M tokens (beta) | Most intelligent — complex agentic tasks, long-horizon work |
| Claude Opus 4.5 | 200K tokens | Vision, coding, computer use at accessible price |
| Claude Sonnet 4.6 | 1M tokens (beta) | Balanced performance and cost — most popular for production |
| Claude Haiku 4.5 | 200K tokens | Fastest and cheapest — real-time applications, high volume |
| Model | Context | Notes |
|---|---|---|
| Claude Opus 3.5 | 200K tokens | Predecessor to Opus 4 |
| Claude Sonnet 3.5 | 200K tokens | Introduced computer use capability |
| Claude Haiku 3.5 | 200K tokens | Lightweight workhorse |
| Claude Haiku 3 | 200K tokens | Original Haiku |
- Extended Thinking - Deep reasoning with visible thought chains (Opus 4.6, Opus 4.5, Sonnet 4.6+).
- Computer Use - Autonomous GUI interaction across desktop applications.
- Prompt Caching - Cache prefixes for cost and latency reduction.
- Batch API - Asynchronous large-scale inference at 50% cost.
- anthropic-sdk-python - Official Python SDK.
- anthropic-sdk-typescript - Official TypeScript/Node.js SDK.
- anthropic-sdk-go - Official Go SDK.
- anthropic-sdk-java - Official Java SDK.
- anthropic-sdk-kotlin - Official Kotlin SDK.
- anthropic-ruby - Official Ruby SDK.
- anthropic-php - Community PHP SDK.
- claudette - High-level Python API by Answer.AI.
- instructor - Structured outputs for Claude and other LLMs.
- LangChain + Claude - Claude in the LangChain ecosystem.
- LlamaIndex + Claude - Claude for RAG pipelines.
- Haystack + Claude - Claude in Haystack pipelines.
- aisuite - Unified interface to Claude and other LLMs.
- litellm - Universal LLM proxy supporting Claude.
- Vercel AI SDK - Claude in the Vercel AI SDK.
MCP is Anthropic's open protocol for connecting AI assistants to data sources and tools.
- MCP Specification - Official MCP documentation and spec.
- MCP GitHub Organization - All official MCP repos.
- mcp-python-sdk - Python SDK for building MCP servers.
- mcp-typescript-sdk - TypeScript SDK for MCP servers.
- mcp-servers - Official reference MCP server implementations.
- awesome-mcp-servers - Curated list of MCP server implementations.
- mcp-server-github - GitHub MCP server.
- mcp-server-postgres - PostgreSQL MCP server.
- mcp-server-filesystem - Filesystem MCP server.
- mcp-server-brave-search - Web search MCP server.
- MCP Inspector - Visual testing tool for MCP servers.
- Constitutional AI: Harmlessness from AI Feedback (2022) - Foundational paper on CAI training methodology.
- Training a Helpful and Harmless Assistant with RLHF (2022) - Core RLHF approach for Claude.
- Reward Model Ensembles Help Mitigate Overoptimization (2023) - Robustness in RLHF training.
- Toy Models of Superposition (2022) - Foundational interpretability research.
- In-context Learning and Induction Heads (2022) - Mechanisms behind in-context learning.
- Scaling Monosemanticity (2024) - Dictionary learning at scale for feature extraction.
- Interpretability in the Wild (2022) - IOI circuit analysis in GPT-2.
- Scaling Laws for Neural Language Models (2020) - Original OpenAI scaling laws (Anthropic researchers co-authored).
- Challenges in Evaluating AI Systems (2022) - Evaluation methodology.
- Measuring Progress on Scalable Oversight for Large Language Models (2022) - Scalable oversight research.
- Sleeper Agents: Training Deceptive LLMs (2024) - Hidden backdoor behavior in LLMs.
- Many-shot Jailbreaking (2024) - Long-context safety vulnerabilities.
- Towards Monosemanticity (2023) - Identifying interpretable features in neural networks.
- Soft Prompting Might Be a Bug, Not a Feature (2022) - Vulnerabilities in soft prompting.
- Claude 3 Model Card (2024) - Capabilities and safety evaluations.
- Claude's Character (2023) - On authenticity and identity in AI assistants.
- Core Views on AI Safety (2023) - Anthropic's safety philosophy.
- Anthropic's Long-Term Benefit Trust - Governance structure for long-term benefit.
- Claude's Constitution - Claude's constitutional principles and values.
- Transformer Circuits Thread - Mechanistic interpretability research blog.
- Alignment Forum - Broader AI alignment community (not Anthropic-specific, but relevant).
- METR Evals - Autonomous AI capabilities evaluations including Claude.
- MLCommons AI Safety Benchmark - Community safety benchmarks.
- Prompt Engineering Overview - Anthropic's official guide.
- Tool Use Guide - How to use function calling effectively.
- Vision Guide - Image prompting best practices.
- Extended Thinking Guide - Using reasoning/thinking modes.
- Prompt Hacking - Open-source prompt engineering guide.
- promptingguide.ai - Comprehensive prompting techniques.
- fabric - Framework for system prompts and patterns.
- Claude Code - Official Anthropic agentic coding CLI.
- Cursor - AI code editor with Claude integration.
- Cline - Autonomous coding agent for VS Code with Claude support.
- Aider - AI pair programming in the terminal.
- Continue - Open-source coding assistant with Claude backend.
- Zed - High-performance code editor with Claude integration.
- Sourcegraph Cody - Code search and AI assistant with Claude.
- Raycast AI - macOS launcher with Claude integration.
- Superwhisper - Voice-to-text with Claude for macOS.
- Notion AI - Notion's AI assistant powered by Claude.
- Quip - Salesforce's document platform with Claude AI.
- Perplexity - AI search engine using Claude among other models.
- Poe - Multi-model chatbot interface including Claude.
- CrewAI - Multi-agent orchestration supporting Claude.
- LangGraph - Stateful multi-actor applications with Claude.
- AutoGen - Multi-agent conversation framework.
- SuperAGI - Open-source autonomous AI agent framework.
- claude-agent-sdk - Official SDK for building agents with Claude.
- pandas-ai - Conversational data analysis with Claude backend.
- datasette-llm - LLM integration for Datasette supporting Claude.
- llm - CLI and Python library for running LLMs including Claude.
- Claude for Sheets - Claude in Google Sheets.
- Descript - AI-powered video/audio editing with Claude.
- Build with Claude - Practical development guides.
- Anthropic Cookbook - Code examples and recipes for Claude.
- Claude API Quickstart - Getting started in minutes.
- Prompt Engineering Interactive Tutorial - Official hands-on tutorial.
- Anthropic Courses on GitHub - Official free courses by Anthropic.
- Claude and the Claude API – Beginner's Course - Short course on DeepLearning.AI.
- Multi AI Agent Systems with crewAI - Building agents using Claude.
- Anthropic Discord - Official Anthropic community server.
- r/ClaudeAI - Reddit community for Claude users (~500k members).
- r/Anthropic - Reddit community for Anthropic news.
- Hacker News: Anthropic stories - HN discussions on Anthropic posts.
- Anthropic on X/Twitter - Official Twitter/X account.
- Dario Amodei on X - Anthropic CEO.
- Daniela Amodei on X - Anthropic President.
- Chris Olah on X - Interpretability research lead.
- Amanda Askell on X - Character and alignment lead.
- Anthropic on LinkedIn - Professional network updates.
- LMSYS Chatbot Arena - Crowd-sourced model ranking (Claude consistently top-tier).
- HumanEval - Python coding benchmark.
- MMLU - Massive Multitask Language Understanding.
- GPQA - Graduate-level science questions.
- SWE-bench - Real-world software engineering tasks.
- BIG-Bench Hard - Challenging reasoning tasks.
- Scale AI HELM - Holistic evaluation framework.
- Epoch AI Model Benchmarks - Historical benchmark tracking.
Auto-synced from the official Anthropic release notes. Last synced: 2026-04-09
Aggregated from Anthropic blog, Hacker News, Reddit, arXiv, and GitHub. Last fetched: 2026-04-09
- Project Glasswing: Securing critical software for the AI era - 1107 pts on Hacker News.
- System Card: Claude Mythos Preview [pdf] - 628 pts on Hacker News.
- Assessing Claude Mythos Preview's cybersecurity capabilities - 278 pts on Hacker News.
- Claude Code login fails with OAuth timeout on Windows - 218 pts on Hacker News.
- claude-code v2.1.97 - 95 pts on GitHub Release.
Use the built-in scripts to distribute the daily brief across owned channels:
- Generate social copy for X, LinkedIn, Reddit, and HN:
python3 scripts/generate_social_posts.py - Post to Telegram:
python3 scripts/notify_telegram.py - Post to Discord via webhook:
python3 scripts/notify_discord.py - Send email digest via Buttondown:
python3 scripts/email_digest.py
Run the full daily workflow (news + website + distribution):
bash scripts/run_daily.sh
Every outbound post should point to both the live dashboard and the GitHub repo so visitors can browse and star without extra clicks.
See detailed setup and channel strategy in docs/DISTRIBUTION.md.
Contributions are welcome. Read the contributing guidelines, open a pull request, or submit a resource issue. All list items must follow the format - [Name](url) - Description. Do not edit sections between <!-- X_START --> and <!-- X_END --> tags because they are auto-updated daily.
If this repo saves you time, star it so more Anthropic builders can find it.