~/
kellerstein
writing
about
rss
Writing
1 post · tagged claude-code · oldest Aug 2026
all
agents
21
architecture
16
ai
13
infra
10
kubernetes
6
azure
4
debugging
4
python
4
testing
4
tooling
3
docker
2
git
2
observability
2
product
2
qemu
2
refactoring
2
windows
2
automation
1
claude-code
1
evaluation
1
fastapi
1
helm
1
mcp
1
mitmproxy
1
models
1
retrospective
1
reverse-engineering
1
security
1
terraform
1
traefik
1
2026·08·25
The model got better, and I stopped reading it
Opus 5 wins the benchmarks and lost me somewhere in paragraph three. Two output styles later — one that fixes the words, one that fixes the shape — and a measurement of which colours a terminal will actually let a model use.
ai
tooling
claude-code
15 min