AI & Models

Simon Willison describes using LLMs — primarily Claude Opus 4.6 — to generate detailed personality and behavioral profiles of HN users from their last 1,000 public comments, fetched via the Algolia HN API.

Products & Open Source

Floci is a new MIT-licensed local AWS emulator positioned as a drop-in replacement for LocalStack Community Edition, which sunset in March 2026 by adding auth requirements, dropping CI support, and freezing security updates. Atomic is a self-hosted personal knowledge base (Tauri desktop app + Docker server) that chunks and embeds markdown notes using sqlite-vec for semantic search, then surfaces them via force-directed canvas, LLM-generated wiki synthesis, and an agentic RAG chat interface. On March 19, 2026, attackers used retained credentials (from incomplete rotation after a February breach) to publish a malicious Trivy v0.69.4 release and overwrite 76/77 tags in trivy-action and all 7 tags in setup-trivy with credential-stealing malware.

Infrastructure & Engineering

Simon Willison's guide covers practical Git workflows for working with coding agents, including branching strategies, commit hygiene, and using Git history as a safety net when agents make mistakes. Tiny corp is now shipping the Tinybox, a line of deep learning workstations built around their tinygrad framework. Tooscut is a browser-based professional video editor leveraging WebGPU and WebAssembly for native-level performance.