Greptile

Greptile's argument is that most review tools only look at the diff, which means they miss the failures that matter: the change is fine in isolation and wrong in context. Greptile indexes the whole repository — and its history — and reviews changes against that.

What that buys you

• Cross-file bugs. A function signature change that breaks a distant caller, a state assumption violated elsewhere, an API contract quietly broken.
• Convention awareness. Feedback that reflects how this codebase does things rather than generic best practice.
• Low false-positive pressure. Greptile tunes aggressively for signal, because a reviewer that cries wolf gets muted within a week.
• Codebase Q&A. The same index powers natural-language questions about how a system works — useful for onboarding.

Fitting it in

It runs on GitHub, GitLab, and Bitbucket, posting reviews on pull requests, and offers an API for teams that want to build their own workflows on the index. Custom rules let you encode team-specific requirements in plain language.

Priced per developer with a trial; aimed at teams where review throughput is the bottleneck.