AI-Assisted Development
Articles in this Series
9 articles · newest first
LatestPart 9
The Model Changed. My Skill Didn't. The Score Still Dropped.
My rule for evaluating an agent skill is deliberately asymmetric: Test the agent on the weakest model you intend to support. Choose the judge by measuring which model grades that task reliably. Those
Oliver Zehentleitner Oct 7 7 min read
Part 8
Keep the Why vs. OKF Agent Memory vs. RepoWise: Three Approaches to Git-Native Project Memory
Three approaches to Git-native project memory for coding agents "Project memory for coding agents" is becoming a broad category. Three projects are especially interesting because all are repository-or
Oliver Zehentleitner Oct 6 11 min read
Part 7
The Globe: Following Your Reasoning Into Other People's Repositories
A decision rarely stands alone. We retry three times may exist because the payment provider counts every attempt against our error budget. We pinned this WebSocket library may exist because the upstre
Oliver Zehentleitner Oct 2 9 min read
Part 6
The reasoning behind a codebase, as a web you can walk
Open this before you read on: keepthewhy.com/dashboard/live/#graph Give it a few seconds to settle. Then come back. It looks like a knowledge graph. It isn't. There is no graph database behind it. Nob
Oliver Zehentleitner Sep 30 6 min read
Part 5
Session memory is not project memory. It fixes the same complaint.
The most common complaint about coding agents is the same on every forum: a new session starts from nothing. The explanation you gave yesterday is gone, the decision you made together is gone, the wro
Oliver Zehentleitner Sep 24 5 min read
Part 4
Keep the Why vs. Claude Code Auto Memory vs. MemoryCustodian vs. AgentsRoom
"Project memory for coding agents" now means at least four different things, and most comparisons put them in one list as if they competed. They mostly don't. Before comparing tools, ask three questio
Oliver Zehentleitner Sep 23 10 min read
Part 3
Keep the Why is not another workflow
There is a misconception about Keep the Why that I keep running into. People see a structured context/ directory containing decisions, rejected alternatives, workarounds, constraints and incident lear
Oliver Zehentleitner Sep 22 6 min read
Part 2
One Index, Many Writers: Avoiding Git Merge Conflicts with Deterministic Write Areas
While working on Keep the Why, I ran into a very ordinary Git problem. There is one shared context/index.md. Developers and coding agents can add new context files in different branches. The changes a
Oliver Zehentleitner Sep 21 3 min read
Part 1
Your repository already is your project's memory. One layer was missing.
Every coding agent starts the day as a goldfish. It can read the code, reason about it, and still have no idea why any of it is the way it is. So it proposes the simplification you rejected in March,
Oliver Zehentleitner Sep 21 4 min read
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Total Articles9
CreatedSep 2026
Last UpdatedSep 2026