Anthropic: How we built our multi-agent research system

OK, I’m sold on multi-agent LLM systems now. I’ve been pretty skeptical of these until recently: why make your life more complicated by running multip...

Announcing Toad—a universal UI for agentic coding in the terminal

Will McGugan is building his own take on a terminal coding assistant, in the style of Claude Code and Gemini CLI, using his Textual Python library as ...

Serving 200 million requests per day with a cgi-bin

Jake Gold tests how well 90s-era CGI works today, using a Go + SQLite CGI program running on a 16-thread AMD 3700X. Using CGI on modest hardware, it’s...

AI and engineering tools - simonwillison.net

The tools on tools.simonwillison.net were mostly built using AI-assisted programming. This page lists 106 tools and their development history.

Anthropic's Claude 4 Announced: New AI Capabilities for Coding, Agents, and Claude Code in VS Code / IntelliJ

Anthropic launches Claude Opus 4 and Sonnet 4, setting new benchmarks for coding, reasoning, and AI agents with extended thinking capabilities and imp...

Claude Code Output Styles: Explanatory, Learning, and Custom Options

An implementation guide to Claude Code's /output-style, the built‑in Explanatory and Learning modes (with to-do prompts), and creating reusable custom...

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