Publications and perspectives

Why Productivity Metrics Break When Agents Write the Code

In one GitHub dataset, lines and pull requests rise by multiples after developers adopt coding agents, releases by a fifth. End-of-chain measures still hold.

Kealu Vector Team, on October 25, 2026

Functional Safety and Safety Integrity Levels When Agents Write the Code

An AI coding agent leaves the IEC 61508 SIL unchanged. It cannot be qualified like a compiler, so independent means that rise with the level verify its output.

Kealu Vector Team, on October 23, 2026

IEC 62304 Software Safety Classification When Agents Write the Code

An AI coding agent does not change the IEC 62304 software safety class. What changes is the evidence, in five places, mapped to the FDA's documentation levels.

Kealu Vector Team, on October 21, 2026

How to Tell If Code Is AI-Generated, and Why Acceptance Is the Better Question

AI code detectors score near chance or fail beyond their training data. A provenance record made at the time answers who wrote it; acceptance is what matters.

Kealu Vector Team, on October 19, 2026

AI Coder: Four Categories, and Who Accepts Their Output

The four categories of AI coder, from completion assistants to prompt-to-app builders, on the V-model, with who accepts the output of each and on what evidence.

Kealu Vector Team, on October 9, 2026

AI Code Checkers: What They Catch, and What Acceptance Still Needs

What AI code checkers and AI code review catch, what acceptance needs on top, and a checklist for agent-written changes, applied to one public pull request.

Kealu Vector Team, on October 9, 2026

Agentic Engineering: What It Is, and the Acceptance Problem It Creates

Agentic engineering defined, and why production capacity and acceptance capacity run on different clocks in software whose failure has consequences.

Kealu Team, on October 1, 2026

A working terminology for agent systems

A consistent set of terms for talking about LLM-based agent systems, with explicit notes on alternatives in current use.

Fabián E. Bustamante & Stefan Birrer, on May 19, 2026