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TutorialsPhone + Claude Code: Building an iNaturalist Observation Tool with Zero Servers — Full Workflow
Simon Willison built a complete iNaturalist observation tool during camping using his phone and Claude Code. A deep dive into the three-layer architecture: Python CLI, Git Scraping, and AI-generated frontend — all on GitHub with zero servers.
Product ReviewsComfyUI-Copilot: An AI Assistant for Building Stable Diffusion Workflows with Natural Language
ComfyUI-Copilot is an open-source AI assistant plugin supporting natural language workflow building, smart node recommendations, and parameter optimization. With 5,100+ GitHub stars, it dramatically lowers the barrier to Stable Diffusion workflow creation.
Deep DivesKortix Open-Sources Agent Computer Use: A Rust-Powered CLI Tool for AI Computer Control
Kortix AI open-sources Agent Computer Use, a high-performance Rust CLI tool enabling AI agents to control computers. Explore its architecture, advantages over Anthropic's Claude Computer Use, and future of open-source computer control tools.
Product ReviewsTRE Regex Engine Python Binding in Practice: From Principles to ReDoS Defense
Deep dive into TRE regex engine's backtracking-free design, Python ctypes binding implementation, and ReDoS defense testing compared to Python's re module for security-sensitive applications.
Product ReviewsSimon Willison's Complete Process of Building an iNaturalist Observation Gallery with Phone + Claude Code
Simon Willison built an iNaturalist observation gallery using only his phone and Claude Code while camping. A breakdown of the three-layer architecture: Python CLI clustering, Git Scraping automation, and AI-generated frontend.
Product Reviewsawesome-LLM-resources: A Deep Dive into GitHub's 8K-Star Comprehensive LLM Learning Resource Repository
Deep dive into awesome-LLM-resources, a GitHub 8K-star project covering multimodal AI, AI Agents, MCP protocol, model training/inference, and AI coding tools — a one-stop LLM learning guide.
Tech FrontiersLangGraph Multi-Agent Company Research Tool: A Practical Guide to Open-Source AI Due Diligence
Deep dive into the open-source company-research-agent: LangGraph multi-agent architecture + Tavily search + dual-LLM collaboration for automated company due diligence and competitive intelligence.
Tech FrontiersLLM CLI 0.32a1 Released: Fixes Tool-Calling Session Storage Bug
Simon Willison's open-source CLI tool LLM releases v0.32a1, fixing a data integrity issue when restoring tool-calling sessions from SQLite. Learn about the fix, core features, and how to update.
ResearchSVDQuant: 4-bit Quantization Enables Efficient Diffusion Model Inference on Consumer GPUs
SVDQuant, an ICLR 2025 Spotlight paper, achieves 4-bit diffusion model quantization via low-rank decomposition that absorbs outliers, reducing memory by 75%. Open-source engine Nunchaku (3800+ stars) enables FLUX inference on consumer GPUs like RTX 4060.
Deep DivesLLM 0.32 Refactor: How Message Sequences and Streaming Chunks Are Reshaping Python LLM Interactions
Simon Willison releases LLM 0.32a0 alpha with message sequences and typed streaming chunks, redefining how Python developers interact with LLMs while maintaining full backward compatibility.
Industry InsightsData Centers Taking Over Farmland? The Data Reveals This Is an Overblown Non-Issue
Are data centers really consuming farmland and threatening food security? This article uses real data to analyze the U.S. data center land use debate, revealing that farmland loss to data centers is just 1/77th of what farmers sell voluntarily.
Deep DivesAgent, MCP, and Function Calling: A Complete Guide to Their Differences and Relationships
A deep dive into the relationships between AI Agent, MCP protocol, Function Calling, and Prompt. From basics to full architecture, build a clear cognitive framework for AI app development.
TutorialsBuilding an AI Digital Human Agent from Scratch: Architecture Design & Full Technical Breakdown
Complete guide to building an AI digital human Agent, covering Agent, RAG, WebRTC, and Docker deployment with architecture design and engineering best practices.
Tech FrontiersAltman Takes the Stand: Winning the Courtroom Presence, But Maybe Not the Case
Sam Altman testified in the OpenAI lawsuit, facing Elon Musk's accusation of "stealing a charity." Analysis of his courtroom performance, key evidence, and implications for AI governance.
Tech FrontiersDatasette 1.0a29 Released: Fixing a Gnarly Segfault Race Condition with GPT-5.5
Datasette 1.0a29 preview released, fixing a segfault race condition introduced by test optimization. Developer Simon Willison used GPT-5.5 xhigh to help reproduce the issue, showcasing AI debugging in practice.
Tech FrontiersCodex Adds OpenAI Developers Plugin — Building AI Apps with AI Just Got Easier
OpenAI Codex adds the Developers plugin, letting developers directly access OpenAI API docs and best practices to rapidly build AI Agents and smart apps.
Tech FrontiersOpenAI Codex Adds Computer Use: AI Agents Autonomously Control Mac in the Background
OpenAI adds Computer Use to Codex, enabling AI agents to autonomously click, type, and operate across Mac apps in the background without taking user control.
Tech FrontiersOpenAI Symphony: One Codex Agent Per Task — A New Paradigm for Multi-Agent Parallel Programming
Deep dive into OpenAI's Symphony: assigning an independent Codex agent to each task for multi-agent parallel programming. Explore its architecture, developer impact, and industry trends.
Deep DivesClaude's Advisor Strategy: Small Models Execute, Large Models Supervise — A New Cost-Saving Paradigm for AI Agents
Anthropic's Advisor Strategy lets Sonnet execute tasks while Opus serves as advisor, cutting costs 12% while boosting SWE-Bench by 2.7 points. A new multi-model AI Agent paradigm explained.
Expert OpinionsThe Truth About Enterprise Tech Decisions: Why Decision-Makers Keep Chasing AI Buzzwords
HashiCorp founder Mitchell Hashimoto reveals the real driver behind enterprise tech decisions: 90% of TDMs are primarily motivated by not getting fired. A deep dive into the Gartner analyst economy, buzzword industrial chain, and enterprise procurement logic.