Niels Berglund

Interesting Stuff - Week 28, 2026

Week 28 roundup: Google's quiet OKF spec, finding your unknowns with Claude Fable 5, Lilian Weng on harness engineering, and Anthropic's J-lens inside Claude's mind.

Posted by nielsb on Sunday, July 12, 2026

I Built a Mac App in a Language I Don't Know, for an OS I Barely Understand

I've missed the Windows app Everything since switching to Mac. So I asked Claude Fable 5 to build it for me: Needle — instant file search for macOS, written in Swift, a language I don't know.

Posted by nielsb on Saturday, July 11, 2026

Interesting Stuff - Week 27, 2026

Week 27 roundup: is agent 'self-improvement' just string mutation, SkillOpt trains skills like weights, agentic loops explained, and Fable 5 is back.

Posted by nielsb on Sunday, July 5, 2026

Interesting Stuff - Week 26, 2026

Week 26 tech roundup: the GLM 5.2 open-weights underdog, the full Claude Desktop on AWS, Google Cloud and Foundry, and why Claude Code is the OpenClaw alternative you already have.

Posted by nielsb on Sunday, June 28, 2026

Interesting Stuff - Week 25, 2026

Week 25 tech roundup: steering Claude Code, artifacts in the terminal, loop engineering, GitHub's analytics agent, agent eval infra, and Yegge's Flat Curve Society.

Posted by nielsb on Sunday, June 21, 2026

Interesting Stuff - Week 24, 2026

Week 24 tech roundup: writing loops instead of prompts, self-service analytics with Claude, Managed Agents on a schedule, the Fable 5 launch, and the US government's directive to pull it days later.

Posted by nielsb on Sunday, June 14, 2026

Interesting Stuff - Week 23, 2026

Week 23 tech roundup: a tour of the seven types of agent memory, Anthropic's Zero Trust blueprint for agents, Project Glasswing's 10,000 vulnerabilities, and the hard-won lessons of containing Claude across products.

Posted by nielsb on Sunday, June 7, 2026

Interesting Stuff - Week 22, 2026

Week 22 tech roundup: Karpathy joins Anthropic to make Claude improve Claude, Opus 4.8 ships with a sleeper honesty feature, dynamic workflows turn Claude Code into an engineering team, and Microsoft's Data Formulator 0.7 brings agents to enterprise data.

Posted by nielsb on Sunday, May 31, 2026

Interesting Stuff - Week 21, 2026

Week 21 tech roundup: Andrej Karpathy joins Anthropic to work on recursive self-improvement, Claude Managed Agents eliminates the need to build your own agent loop, and Simon Willison recaps six wild months in LLMs.

Posted by nielsb on Sunday, May 24, 2026

Interesting Stuff - Week 20, 2026

Week 20 tech roundup: Microsoft's Aspire team learns that AI makes production cheaper but maintenance harder, Perplexity reveals how they design and maintain agent skills at scale, and a sharp essay argues agentic coding is a cognitive trap.

Posted by nielsb on Sunday, May 17, 2026

Technology musings about coding and data. Some topics: .NET, SQL Server, AI/ML, Big Data, Streaming, Kafka, Azure Data Explorer, and a lot more.