Developer tests agents against rejected proposals using 495 ADRs
11/10/2026 — 11/11, 00:19·1 sources (all)·1 reports (all)
Key takeaways
- A developer accumulated 495 architecture decision records (ADRs) in the karasu project, 395 of which involved Claude Code. In July, he ran a…
Background & analysis
The developer of karasu, an architecture-diagram tool, keeps design decisions as Architecture Decision Records (ADRs) under docs/adr/. He began the practice on day one of the project in March 2026, and eight months later the directory held 495 ADRs. Development is done largely with Claude Code, and 80% of the commits that added an ADR (395 of 495) carry a Claude Code co-author line. In July 2026 he ran a controlled experiment in which an agent was asked to redo an already-rejected proposal, in order to identify the conditions under which ADRs actually work. So far, no full results from the experiment have been published.
AI-generated from 1 reports · updated 3 days ago
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A developer behind the karasu architecture-diagram tool has collected 495 architecture decision records, 395 of which were committed with Claude Code as co-author. In July he ran a controlled experiment asking an agent to redo an already-rejected proposal to find when ADRs actually change agent behavior.
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