13 Open-Sourced AI Brains

Karpathy's AI coding wisdom in a single CLAUDE.md. 4 principles: Think Before Coding, Simplicity First, Surgical Changes, Goal-Driven Execution. Plugin install available.

The canonical Claude Code playbook. Curated skills, hooks, slash-commands, agent orchestrators, plugins. Used inside FAANG, OpenAI, and Anthropic.

22 production-grade engineering skills for AI coding agents. 7 slash commands, 3 specialist personas, verification gates. Process, not prose.

100+ ready-to-run AI agent and RAG app templates. Clone, customize, ship. Voice AI, multi-agent teams, MCP integrations. Provider-agnostic.

Peter Steinberger's personal AI assistant. Fastest growing repo in GitHub history. Multi-agent workflows, skill marketplace, open-source.

Self-evolving AI agent that gets smarter the more you use it. Built-in learning loop, 344 skills. Deploys to Telegram, Discord, Slack, WhatsApp.

Local-first AI memory with 96.6% retrieval accuracy. Hierarchical spatial model (wings/rooms/drawers), 19 MCP tools, knowledge graph. No API key needed.

Autonomous AI research system. Agents independently edit training code, run 5-min experiments (~12/hour), evaluate results, and iterate overnight.

15+ lessons on building AI agents. Design patterns, frameworks, tool usage, RAG, multi-agent systems, planning, memory, and deployment. Free course.

21 lessons covering everything from prompts to RAG to AI agents. The complete generative AI roadmap. 111K+ stars. 51,000+ Foundry members.

22 production-grade tutorials: memory systems, Docker/AWS deployment, security guardrails, multi-agent coordination, LangSmith observability. The complete agent production playbook.

AI-powered quant investment platform. 25+ pre-built models, automated factor mining, backtesting, portfolio optimization. A hedge fund brain, free to clone.

AI misalignment diagnostic. 32 tests across 5 risk categories (fabrication, manipulation, deception, unpredictability, opacity). Grades your AI in under 5 minutes.