QA is the last bottleneck

As software development feedback loops accelerate toward minutes, quality assurance remains the final bottleneck where human judgment is still required.

madewithloveMarch 17, 2026

Undercover Agent: AI-Generated Test Coverage for Legacy Codebases

An experiment in using AI code agents to write all the missing unit tests for an existing codebase. Let's take code coverage to 100%.

GitHubJune 25, 2025

Asking AI Agents to test legacy software (so our engineers don't have to).

An experiment in getting LLMs to write the tests we never had time for.

SubstackMay 19, 2025