A curated list of the best resources for Anthropic's Claude - models, apps, Claude Code, the Model Context Protocol, SDKs, tools, and learning material.
Claude is a family of AI models and products built by Anthropic, designed to be helpful, honest, and harmless. This list gathers high-signal resources for using Claude and building with it. Everything here is hand-picked and every link is checked - no dead ends, no filler.
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- Official
- Claude Code
- Skills
- Model Context Protocol (MCP)
- SDKs & Libraries
- AI Coding Tools
- Chat Clients & Apps
- Notable Open-Source Projects
- Learning & Prompting
- Benchmarks & Leaderboards
- claude.ai - Claude's web app for chatting, Projects, and Artifacts.
- Anthropic.com - Anthropic's company site: research, news, safety, and announcements.
- Claude.com - Product hub for Claude apps, plans, and platform offerings.
- Claude Platform Docs - Official developer and API documentation for building with Claude.
- API Reference - Endpoint reference for the Messages, Batches, Models, and Agents APIs.
- Claude Console - Developer console with Workbench, API keys, workspaces, and usage limits.
- Claude Status - Live uptime and incident status for the API, Console, and Claude Code.
- Plans & Pricing - Consumer and API pricing across Free, Pro, Max, Team, and Enterprise.
- Trust Center - Security posture, compliance (SOC 2, ISO 27001/42001, HIPAA, GDPR), and policies.
- Help Center - Official support articles for Claude apps, accounts, and features.
- Models overview & comparison - Specs, model IDs, pricing, and context windows for all current Claude models.
- Introducing Claude Opus 5 - Anthropic's July 2026 Opus release with a 1M-token context window and adaptive thinking.
- Introducing Claude Fable 5 & Mythos 5 - Launch details for Anthropic's Mythos-class frontier models.
- Introducing Claude Sonnet 5 - Announcement of Anthropic's most agentic Sonnet-tier model.
- Introducing Claude Opus 4.5 - November 2025 launch of the model that completed the Claude 4.5 family, tuned for coding and agents.
- Pricing docs - Full API pricing including batch discounts and prompt caching rates.
- Release notes - Changelog for the Claude API, SDKs, and Console.
- Model deprecations - Retirement schedule and migration guidance for legacy models.
- Transparency Hub - Model and system cards, knowledge cutoffs, and safety reporting.
- Artifacts - Build, host, and share interactive AI-powered apps directly in Claude.
- Bringing memory to Claude - Optional memory that lets Claude remember your projects, preferences, and context across conversations.
- Claude Code on the web - Delegate coding tasks from the browser or mobile app, running in parallel on Anthropic-managed cloud sandboxes.
- Claude Cowork - Agentic knowledge-work companion that reads and writes local files and works across connected apps like Slack and Google Drive.
- Claude Enterprise - Enterprise plan with SSO, SCIM, audit logs, and expanded context and admin controls.
- Claude for Chrome - Official browser extension that lets Claude read, click, and navigate sites for you.
- Claude for Microsoft 365 - Native Claude integration inside Excel, PowerPoint, Word, and Outlook that edits files and carries context across the apps.
- Download Claude - Desktop (macOS/Windows/Linux) and mobile (iOS/Android) app downloads.
- Projects - Self-contained workspaces with dedicated chat history and a knowledge base.
Claude Code is Anthropic's agentic coding tool for the terminal, IDE, and desktop.
- anthropics/claude-code - Official repository for Claude Code, Anthropic's agentic coding tool that runs in the terminal.
- Claude Code Documentation - Official docs covering install, settings, slash commands, hooks, subagents, plugins, and MCP.
- Claude Agent SDK (TypeScript) - Official SDK exposing Claude Code's agent loop, tools, and context management.
- Claude Agent SDK (Python) - Official Python SDK for building agents on the runtime that powers Claude Code.
- Agent SDK Overview - Official guide to programmatically building agents with the Claude Agent SDK.
- anthropics/claude-plugins-official - Anthropic-managed directory of high-quality official Claude Code plugins.
- Plugin Marketplaces Docs - Official reference for creating and distributing Claude Code plugin marketplaces.
- anthropics/claude-code-action - Official GitHub Action to run Claude Code on PRs and issues via
@claudementions.
- hesreallyhim/awesome-claude-code - Flagship curated list of Claude Code resources: skills, agents, statuslines, tooling, and plugins.
- subinium/awesome-claude-code - Curated list of tools, skills, plugins, and MCP servers for Claude Code with a high inclusion bar.
- wshobson/agents - Marketplace of production-ready subagents, skills, and commands for Claude Code.
- VoltAgent/awesome-claude-code-subagents - Collection of specialized Claude Code subagents across development categories.
- 0xfurai/claude-code-subagents - Comprehensive collection of production-ready development subagents as markdown files.
- disler/claude-code-hooks-mastery - Reference project demonstrating every Claude Code hook lifecycle event with advanced patterns.
- wshobson/commands - Collection of production-ready slash commands (workflows and single-purpose tools) for Claude Code.
- qdhenry/Claude-Command-Suite - Toolkit of slash commands, agents, and skills for structured software-development workflows.
- sirmalloc/ccstatusline - Highly customizable Claude Code statusline with powerline support, themes, and usage widgets.
- ryoppippi/ccusage - CLI for analyzing Claude Code usage and cost from local JSONL logs, with statusline integration.
- Haleclipse/CCometixLine - High-performance Claude Code statusline written in Rust with Git integration, usage tracking, and TUI configuration.
- Maciek-roboblog/Claude-Code-Usage-Monitor - Real-time terminal usage monitor with token and cost tracking, burn-rate predictions, and limit warnings.
- dagger/container-use - MCP server giving each coding agent a fresh container on its own Git branch so multiple agents work in parallel.
- davila7/claude-code-templates - CLI for configuring and monitoring Claude Code, with a catalog of agents, commands, hooks, and MCP configs.
- musistudio/claude-code-router - Local proxy that routes Claude Code requests across different models and providers with rule-based routing.
- slopus/happy - Mobile and web client for Claude Code with realtime voice, end-to-end encryption, and remote control from your phone.
- smtg-ai/claude-squad - Terminal manager for running multiple Claude Code agents in parallel, each in its own Git worktree and tmux session.
- SuperClaude-Org/SuperClaude_Framework - Configuration framework that extends Claude Code with specialized slash commands, personas, and methodologies.
- thedotmack/claude-mem - Persistent memory plugin that compresses each session and injects relevant context into future Claude Code sessions.
- Claude Code in VS Code - Official VS Code extension with a native chat panel, checkpoints, @-mentions, and diff viewing.
- Claude Code for JetBrains - Official JetBrains plugin for IntelliJ, PyCharm, WebStorm, and others.
- coder/claudecode.nvim - Pure-Lua Neovim extension protocol-compatible with the official Claude Code IDE integrations.
Agent Skills are folders with a SKILL.md file that package instructions, scripts, and resources Claude loads on demand - they work across Claude apps, Claude Code, the API, and the Agent SDK.
- Introducing Agent Skills - Anthropic's launch announcement for Agent Skills.
- Equipping agents for the real world with Agent Skills - Anthropic engineering deep dive on how Agent Skills work and how to design them.
- Agent Skills overview - Official documentation on what Agent Skills are and the SKILL.md format.
- Skill authoring best practices - Official guide to writing effective SKILL.md files that Claude can discover and use.
- Using Agent Skills with the API - Official guide to uploading and invoking Skills through the Claude API.
- Skills in Claude Code - Official Claude Code docs for creating, managing, and invoking Skills.
- Introduction to Agent Skills - Free official Anthropic Academy course on building and sharing Skills.
- The Complete Guide to Building Skills for Claude - Anthropic's downloadable handbook on designing and authoring Skills.
- Agent Skills open standard - The open specification for the SKILL.md format, originated by Anthropic.
- anthropics/skills - Anthropic's official repository of open-source example Skills.
- travisvn/awesome-claude-skills - Popular curated list of Claude Skills, resources, and tools.
- karanb192/awesome-claude-skills - Community collection of verified Skills for Claude Code, claude.ai, and the API.
- Claude Code Marketplaces - Searchable directory of Claude Code Skills, plugins, and MCP servers.
- nvidia/skills - Official NVIDIA Agent Skills for Claude Code and other agents, covering robotics, simulation, CUDA, and RAG.
- obra/superpowers - Composable Agent Skills framework and software-development methodology, installable via the Claude Code plugin marketplace.
- skill-creator - Anthropic's meta-Skill that guides you through creating and refining new Skills.
- claudelint Skills validator - Linter that checks SKILL.md files for correctness, security, and quality.
- agent-ecosystem/skill-validator - CLI that validates and scores Agent Skill packages.
The Model Context Protocol is an open standard, created by Anthropic, for connecting AI apps to external tools and data.
- Model Context Protocol - Canonical documentation, guides, and specification hub for MCP.
- Introducing MCP - Anthropic's original post introducing the open protocol.
- modelcontextprotocol/modelcontextprotocol - Official specification and documentation source repository.
- MCP Specification - The formal protocol spec (latest revision).
- Python SDK - Official Python SDK for building MCP servers and clients.
- TypeScript SDK - Official TypeScript SDK for MCP servers and clients.
- Go SDK - Official Go SDK for MCP.
- C# SDK - Official C# SDK, maintained with Microsoft.
- Kotlin SDK - Official Kotlin SDK for MCP.
- Ruby SDK - Official Ruby SDK for MCP.
- Rust SDK - Official Rust SDK for MCP.
- Official MCP Registry - The official centralized registry/API for discovering public MCP servers.
- modelcontextprotocol/registry - Source for the community-driven official registry service.
- punkpeye/awesome-mcp-servers - The most popular community-curated list of MCP servers.
- appcypher/awesome-mcp-servers - Large curated catalog of production and experimental MCP servers.
- wong2/awesome-mcp-servers - Curated list of MCP servers (companion to mcpservers.org).
- punkpeye/awesome-mcp-clients - Curated list of apps and tools that act as MCP clients.
- PulseMCP - Searchable directory of MCP servers and clients with usage data.
- Glama MCP Directory - Browsable directory of MCP servers and clients.
- mcpservers.org - Web directory of MCP servers and clients.
- Smithery - Registry and hosting platform indexing thousands of MCP servers with CLI install and remote endpoints.
- Docker MCP Catalog - Docker's curated catalog of verified, containerized MCP servers integrated with Docker Hub and Desktop.
- awesome-mcp-gateways - Curated list of open-source and commercial MCP gateway products.
- Reference servers - Anthropic's maintained reference servers: Filesystem, Fetch, Git, Memory, Sequential Thinking, Time, and more.
- GitHub MCP Server - GitHub's official MCP server for repos, issues, PRs, and workflows.
- microsoft/playwright-mcp - Microsoft's Playwright MCP server for browser automation via accessibility snapshots.
- upstash/context7 - MCP server that delivers up-to-date library documentation to LLMs.
- awslabs/mcp - Official collection of MCP servers for AWS services.
- microsoft/mcp - Catalog of official Microsoft MCP server implementations.
- Apify MCP - Official Apify MCP server exposing thousands of Actors for web scraping and automation.
- Atlassian Rovo MCP - Official Atlassian remote MCP server connecting Jira, Confluence, and Compass.
- Chrome DevTools MCP - Official Chrome DevTools MCP server to control and inspect a live Chrome browser.
- Cloudflare MCP - Official Cloudflare MCP servers for Workers, KV, R2, D1, and observability.
- Firecrawl MCP - Official Firecrawl MCP server adding web scraping and search to LLM clients.
- Grafana MCP - Official Grafana MCP server for dashboards, datasources, alerts, and incidents.
- Hugging Face MCP - Official Hugging Face MCP server for searching models, datasets, Spaces, and docs.
- Linear MCP - Official hosted Linear MCP server for issues, projects, and product workflows.
- Neon MCP - Official Neon MCP server for the Neon Management API and serverless PostgreSQL.
- Notion MCP - Official Notion MCP server for reading, writing, and searching Notion workspaces.
- Sentry MCP - Official Sentry MCP server for querying issues, errors, and performance data via LLMs.
- Stripe MCP - Stripe's official AI toolkit and hosted MCP server for payments, billing, and customer data.
- Supabase MCP - Official Supabase MCP server to manage and query PostgreSQL databases and projects.
- MCP Clients (official list) - Anthropic's list of applications that support MCP.
- modelcontextprotocol/inspector - Official visual testing and debugging tool for MCP servers.
- FastMCP - Popular Pythonic framework for building MCP servers and clients.
- mcp-use - Open-source framework for building MCP apps and connecting LLMs to any MCP server.
- MetaMCP - MCP aggregator, orchestrator, middleware, and gateway in one self-hostable app.
- mcpo - Proxy that exposes any MCP server as an OpenAPI-compatible HTTP endpoint.
- OpenAPI-MCP - Proxy that translates OpenAPI specs into MCP tools, resources, and prompts.
- MCP-Scan - Security scanner detecting prompt injection, tool poisoning, and rug pulls in MCP servers.
- Python SDK - Official Python client for the Claude Messages API (sync/async, Pydantic models, streaming).
- TypeScript SDK - Official TypeScript/JavaScript SDK for Node.js, Deno, Bun, and browsers.
- Go SDK - Official Go SDK with context-based cancellation and functional options.
- Java SDK - Official Java SDK using the builder pattern and
CompletableFutureasync. - Ruby SDK - Official Ruby SDK with Sorbet types and streaming helpers.
- PHP SDK - Official PHP SDK using value objects and the builder pattern.
- C#/.NET SDK - Official C#/.NET SDK (.NET Standard 2.0+) with
IChatClientintegration.
The Python and TypeScript SDKs also ship first-party
AnthropicBedrockandAnthropicVertexclients for Amazon Bedrock and Google Vertex AI.
- LangChain - Popular LLM app framework with first-class Claude support via
langchain-anthropic. - LangGraph - Stateful, graph-based agent orchestration from the LangChain team; works with Claude.
- LlamaIndex - Data/RAG framework for LLM apps with an Anthropic LLM integration.
- CrewAI - Role-based multi-agent orchestration framework; runs Claude via provider configuration.
- AutoGen - Microsoft multi-agent conversation framework with an Anthropic client.
- Pydantic AI - Type-safe Python agent framework from the Pydantic team with native Anthropic support.
- DSPy - Stanford framework for programming (not prompting) LLMs; supports Claude models.
- Mastra - TypeScript agent framework (memory, workflows, tools) with an Anthropic provider.
- Vercel AI SDK - TypeScript toolkit for AI apps/agents; Claude via
@ai-sdk/anthropic. - smolagents - Hugging Face's minimal code-agents library; uses Claude via LiteLLM.
- Agno - High-performance, model-agnostic multi-agent framework with Anthropic support.
- Semantic Kernel - Microsoft AI orchestration SDK (.NET/Python/Java) with an Anthropic connector.
- Spring AI - Spring framework for AI apps with a dedicated Anthropic Claude starter.
- Haystack - LLM/RAG framework by deepset with Anthropic generator and chat components.
- Deep Agents - LangChain's Claude Code-style agent harness with planning, sub-agents, and a virtual filesystem.
- Google ADK - Google's open-source Agent Development Kit; runs Claude via its Anthropic integration or LiteLLM.
- Inngest AgentKit - TypeScript framework for multi-agent networks with deterministic routing and a built-in Anthropic provider.
- Letta - Framework for stateful agents with long-term memory (formerly MemGPT); connects to Claude as a provider.
- LiveKit Agents - Realtime voice-AI agent framework with a dedicated Anthropic Claude LLM plugin.
- Rivet - Ironclad's open-source visual programming environment for AI agents, with an Anthropic plugin.
- Strands Agents - AWS-built open-source agent SDK for Python and TypeScript with first-class Anthropic Claude support.
- VoltAgent - Observability-first TypeScript agent framework; swap in Anthropic Claude via config.
- llm-anthropic - Anthropic/Claude plugin for Simon Willison's
llmCLI and Python library. - anthropix - Unofficial Elixir client for the Anthropic API, including tool use.
- misanthropy - Idiomatic Rust bindings to the Anthropic API (streaming, tools, images, extended thinking).
- clust - Unofficial Rust client for the Anthropic/Claude API.
- Anthropic.SDK - Feature-rich community .NET/C# library (streaming, tools, batching, Semantic Kernel integration).
- BAML - DSL for typed, testable LLM functions with guaranteed structured outputs; supports Claude as a provider.
- Cognee - Open-source AI memory platform building self-hosted knowledge graphs, with Claude Code and MCP integrations.
- Graphiti - Temporal knowledge-graph memory for agents (open-source core of Zep); works with Anthropic Claude.
- Mem0 - Universal memory layer for AI agents with Anthropic support and a Claude Agent SDK integration.
- LiteLLM - Open-source SDK/proxy giving an OpenAI-compatible interface to 100+ providers including Anthropic.
- OpenRouter - Unified API gateway routing to hundreds of models, including the Claude family, through one endpoint.
- Portkey Gateway - Fast open-source AI gateway with guardrails and routing to many LLMs including Claude.
- Langfuse - Open-source LLM observability, tracing, and evals with Anthropic/Claude support.
- Helicone - Open-source LLM observability and monitoring proxy supporting the Anthropic API.
- Instructor - Structured (Pydantic) outputs from LLMs across providers, including Anthropic/Claude.
- Arize Phoenix - Open-source LLM tracing and evaluation built on OpenTelemetry, with Anthropic and Claude Agent SDK instrumentation.
- Bifrost - High-performance open-source LLM gateway (by Maxim AI) that is a drop-in replacement for the Anthropic SDKs.
- Braintrust - Eval and observability platform that calls and traces Anthropic Claude, including streaming, caching, and tool use.
- Cloudflare AI Gateway - Edge AI gateway adding caching, rate limiting, analytics, and logging in front of providers including Anthropic.
- OpenLLMetry - OpenTelemetry-based LLM observability (by Traceloop) shipping a dedicated Anthropic instrumentation package.
- Opik - Open-source LLM observability and evaluation platform (by Comet) with a one-line Anthropic integration.
- Promptfoo - Open-source tool for testing, evaluating, and red-teaming LLM apps, with Anthropic Claude among supported providers.
- Aider - Terminal-based AI pair programmer with automatic Git commits; Claude models rank among its top backends.
- Amp - Sourcegraph's agentic coding tool for the terminal and editors, powered by frontier models including Claude.
- Augment Code - Agentic software-development platform whose orchestrated agents run on Claude Sonnet and Opus.
- Cline - Open-source autonomous coding agent for VS Code and JetBrains with first-class Claude support.
- Codebuff - Open-source multi-agent coding agent that runs Claude and other models via OpenRouter.
- Continue - Open-source AI assistant and agent for VS Code and JetBrains, configurable with Anthropic Claude.
- Crush - Charm's terminal coding agent supporting Anthropic Claude and other providers.
- Cursor - AI-native code editor offering Claude Opus and Sonnet as selectable model backends.
- Goose - Block's open-source AI agent for coding and workflows, supporting Claude among 15+ providers.
- Kilo Code - Open-source agentic coding extension (VS Code, JetBrains, CLI) supporting Claude Opus/Sonnet.
- Kiro - AWS's spec-driven agentic IDE, CLI, and web app powered by Anthropic Claude models.
- OpenCode - Open-source, provider-agnostic AI coding agent for the terminal with first-class Claude support.
- Plandex - Open-source terminal AI coding agent for large, real-world projects, with Anthropic Claude support.
- Warp - Agentic development environment and terminal that runs Claude and pairs with Claude Code.
- Windsurf - Agentic AI IDE that runs multi-step coding tasks on Claude and other models.
- Zed - High-performance open-source editor with built-in agentic features that support Claude.
- AnythingLLM - All-in-one desktop and Docker AI app with RAG and agents, supporting Anthropic Claude.
- big-AGI - Expert multi-model AI workspace with direct Anthropic integration for Claude Opus/Sonnet.
- Cherry Studio - Open-source desktop AI workstation unifying 300+ models, including Anthropic Claude.
- Chatbox - Cross-platform AI client (open-source community edition) supporting Anthropic Claude models.
- ChatWise - Fast, privacy-friendly desktop AI chat client supporting Claude and Claude Pro/Max subscriptions.
- Jan - Open-source, offline-first desktop ChatGPT alternative that connects to Claude via the Anthropic API.
- LibreChat - Open-source multi-provider chat platform with native Claude support plus agents, MCP, and artifacts.
- Lobe Chat - Open-source modern chat framework supporting Anthropic Claude among many providers.
- Msty - Privacy-focused desktop AI chat app for local and cloud models, including Anthropic Claude.
- Open WebUI - Self-hosted, extensible chat UI that connects to Claude via Anthropic and OpenAI-compatible APIs.
- TypingMind - Bring-your-own-key chat frontend for Claude and other LLMs.
- opcode - Desktop GUI and toolkit for managing Claude Code sessions and custom agents (formerly Claudia).
- OpenHands - Open-source autonomous software-engineering agent platform that runs on Claude (and other) models.
- STORM - Stanford's LLM knowledge-curation system that writes cited, Wikipedia-style reports; works with Claude via LiteLLM.
- SWE-agent - Princeton/Stanford agent that auto-fixes GitHub issues, reaching strong SWE-bench results using Claude models.
- Task Master - AI-powered task-management system that drops into Claude Code, Cursor, and other agents.
- Best practices for Claude Code - Anthropic's official guide to agentic coding workflows, CLAUDE.md, context management, and tool setup.
- Building agents with the Claude Agent SDK - Anthropic's guide to the gather-context, act, and verify agent loop built on the Agent SDK.
- Code execution with MCP - Anthropic engineering post on cutting token use by having agents write code to call MCP tools.
- Context windows - Official reference on how the context window, extended thinking, and tool use consume tokens.
- Effective context engineering for AI agents - Anthropic engineering guide on curating the context window to counter context rot in agents.
- Effective harnesses for long-running agents - Anthropic engineering guide to sustaining agent progress across many context windows and sessions.
- Prompt caching - Official guide to caching prompt prefixes to cut latency and cost on repeated context.
- Writing effective tools for AI agents - Anthropic engineering guide on designing, evaluating, and optimizing the tools that agents call.
- Prompt engineering overview - Anthropic's official hub on clarity, examples, XML structure, roles, chaining, and thinking.
- Prompting best practices - Official model-specific guidance tuned for Claude's latest models.
- Interactive Prompt Engineering Tutorial - Official hands-on course with exercises, from basics to advanced techniques.
- Prompt Engineering Guide (DAIR.AI) - Popular open community guide with dedicated Claude/Anthropic sections.
- Claude Code prompt library - Copy-paste prompts for Claude Code tagged by task and role.
- Anthropic Academy - Anthropic's official learning hub organizing courses, guides, quickstarts, and docs.
- Anthropic Courses (Skilljar) - Free official course catalog including Claude 101 and Building with the Claude API.
- anthropics/courses - Anthropic's open educational repo: API fundamentals, prompt engineering, evaluations, and tool use.
- Claude Cookbooks - Official runnable notebooks for tool use, multimodal, evaluation, RAG, and agents.
- Claude Quickstarts - Deployable starter projects (customer-support agent, computer use, coding agent).
- Claude Code: A Highly Agentic Coding Assistant - DeepLearning.AI short course with Anthropic's Elie Schoppik on real-world Claude Code workflows.
- Agent Skills with Anthropic - DeepLearning.AI short course on authoring and deploying Agent Skills, built with Anthropic.
- MCP: Build Rich-Context AI Apps with Anthropic - DeepLearning.AI short course on building, connecting, and deploying MCP servers and clients.
- Building Effective Agents - Widely cited engineering guide on agent vs. workflow patterns and keeping designs simple.
- Constitutional AI: Harmlessness from AI Feedback - Anthropic's foundational paper on training models with a principle-based constitution.
- Claude's Constitution - Anthropic's document detailing Claude's intended values and behavior, released under CC0.
- Mapping the Mind of a Large Language Model - Interpretability work identifying millions of features inside Claude via dictionary learning.
- Tracing the Thoughts of a Language Model - Circuit-tracing research revealing how Claude internally computes and reasons.
- Introducing Computer Use - Announcement of Claude operating a computer by viewing the screen and controlling cursor and keyboard.
- Anthropic Engineering Blog - Deep dives on agents, context engineering, tool use, and production practices.
- Import AI - Anthropic co-founder Jack Clark's weekly newsletter analyzing frontier AI research and policy.
- Interconnects - Nathan Lambert's newsletter with sharp analysis of frontier-lab and open-model research.
- Latent Space - High-signal AI Engineer newsletter and podcast by swyx & Alessio, frequently featuring Anthropic builders.
- Simon Willison's Weblog - Claude tag - Detailed, hands-on commentary on every major Claude and Anthropic release.
- The Anthropic Stack - Practitioner newsletter on building with Claude, MCP, and AI agents.
- Anthropic on YouTube - Anthropic's official channel with product demos, research talks, and Claude tutorials.
- Claude Developer Newsletter - Anthropic's official developer email with announcements and best practices.
- IndyDevDan - Popular YouTube channel with opinionated, spec-driven Claude Code and agentic-engineering walkthroughs.
- Chain of Thought (Every) - Dan Shipper's column and AI & I podcast on building with AI, with frequent Claude and Anthropic coverage.
- Claude Community - Anthropic's official community hub linking its Discord, Reddit, and ambassador programs.
- r/ClaudeAI - Large community subreddit for Claude discussion, tips, and comparisons.
- r/ClaudeCode - Active subreddit focused on Claude Code workflows, tips, tooling, and troubleshooting.
- SWE-bench - Benchmark measuring real GitHub issue resolution, where Claude models rank among the top performers.
- Aider Polyglot Leaderboard - Multilingual code-editing benchmark that ranks Claude models.
- Terminal-Bench - Benchmark for agents on real terminal tasks, evaluating Claude models.
- Arena (formerly LMArena / Chatbot Arena) - Human-preference LLM leaderboard that includes Claude models.
- GAIA Leaderboard - General AI assistant benchmark where Claude-based agents are evaluated.
- Artificial Analysis - Independent LLM benchmarking site tracking Claude across quality, speed, and price.
- ARC-AGI (ARC Prize) - Abstract-reasoning benchmark and prize whose public leaderboard includes Claude models.
- Design Arena - Crowdsourced leaderboard for AI-generated design and UI where Claude models compete.
- LiveBench - Contamination-resistant LLM benchmark with monthly-rotating questions where Claude models are ranked.
- LiveCodeBench - Contamination-free coding benchmark using post-cutoff problems, evaluating Claude and other models.
- tau-bench - Sierra's benchmark for tool-agent-user interaction in real-world domains, with Claude among evaluated models.
- tau2-bench - Sierra's dual-control agent benchmark for real-world tool use, evaluating Claude models.
- WebArena - Realistic, reproducible web-environment benchmark for autonomous agents, with Claude among evaluated models.
Contributions are welcome - a single great link is a perfectly good pull request. Please read the contribution guidelines first. In short: keep entries relevant to Claude, high quality, non-redundant, and formatted as - [Name](https://url) - short factual description. Translations live in the translations/ folder.