Notes, case studies and devlogs.https://www.jeffneet.comhttps://www.jeffneet.com/notes/token-efficiency-of-a-hub-and-spoke-agent-teamhttps://www.jeffneet.com/notes/token-efficiency-of-a-hub-and-spoke-agent-teamTwo teams of AI agents, two weeks of real session logs. One settings change made the average reply about 40% cheaper, and the teams spent the saving on more replies, not a smaller bill.Fri, 16 Oct 2026 00:00:00 GMThttps://www.jeffneet.com/notes/interviewing-my-two-ai-producershttps://www.jeffneet.com/notes/interviewing-my-two-ai-producersTwo Claude sessions have each run a team of AI agents for me, on two different games. I asked them both the same nine questions about what it's like to work with me.Thu, 15 Oct 2026 00:00:00 GMThttps://www.jeffneet.com/notes/claude-and-ffmpeg-as-a-video-editorhttps://www.jeffneet.com/notes/claude-and-ffmpeg-as-a-video-editorA coding agent can't watch a video, but it can look at stills. Give it ffmpeg and a shot list in a text file, and it will cut a trailer. The commands, the file, and a prompt to paste.Fri, 09 Oct 2026 00:00:00 GMThttps://www.jeffneet.com/notes/from-scribble-to-islandhttps://www.jeffneet.com/notes/from-scribble-to-islandMy toddler drew loops on notebook paper. Five steps later he was riding a dinosaur round them. Each step kept the one before it as its reference, which is why the island is still his.Thu, 08 Oct 2026 00:00:00 GMThttps://www.jeffneet.com/notes/agentic-hub-and-spokehttps://www.jeffneet.com/notes/agentic-hub-and-spokeNine AI agents with clear roles were not a team. One producer agent with permission to delegate made them one. What worked, what broke, and what I don't know yet.Sun, 04 Oct 2026 00:00:00 GMThttps://www.jeffneet.com/notes/from-neon-to-starlighthttps://www.jeffneet.com/notes/from-neon-to-starlightElectrons can only hold certain energies around an atom. That one rule lays out the periodic table, colours a neon sign and tells us what a star is made of.Sat, 03 Oct 2026 00:00:00 GMThttps://www.jeffneet.com/notes/sandpaper-and-the-mansionhttps://www.jeffneet.com/notes/sandpaper-and-the-mansionAI coding agents are an idea from 1969 that arrived fifty years late. What developers are resisting isn't the tech. It's the rate of change.Tue, 29 Sep 2026 00:00:00 GMT