LLM agents struggle with PR review workflows when the context is noisy, fragmented, and spread across multiple tool calls. Raw endpoints include optional fields, URLs, hashes, and heterogeneous shapes. Each extra field inflates tokens and compounds error risk. The result: brittle chains, ambiguous parsing, higher cost, and slower iterations.

This post introduces gh pr-review, a GitHub CLI extension that collapses multi-step review tasks into compact, deterministic outputs. It’s designed for agents and developers to read, reply, resolve, and submit reviews with minimal JSON and GraphQL-only operations.