RuboCop

A developer argues that AI coding agents require enforced tooling, not just advisory documentation, to maintain code quality. The post recommends 100% branch coverage on touched files, mutation testin…

Ruby 4.0 has been released, but AI coding assistants still generate Ruby 3.0-era code, ignoring modern idioms like hash value omission and anonymous block parameters. This creates a feedback loop that…

Thoughtbot engineers built a Claude Code hook that automatically runs RuboCop against any Ruby files an AI coding agent modifies, then gives the agent a chance to fix violations it can catch. The hook…