> ## Documentation Index
> Fetch the complete documentation index at: https://docs.augmentcode.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Code Reviews with Cosmos

> Use specialized review Experts for exhaustive line-by-line reviews, intent-focused walkthroughs, and automated PR risk triage.

## Code Review Experts

Install one or more code review Experts during onboarding by selecting them in the **Pick Experts** step. Three specialized reviewers are available, each suited to a different stage or style of code review.

### Deep Code Reviewer

Reads every changed line and leaves inline comments on GitHub. There's no chat — once you start it, it runs to the end and posts its findings. Wire it as the bot reviewer that fires before a human ever sees the PR.

* **Best for**: Catching bugs, style violations, and logic errors across the full diff before a human reviewer picks it up
* **How to use**: Start a Session with the Deep Code Reviewer Expert and provide the PR URL. The agent analyzes every changed line and posts its findings as inline GitHub comments.

### Intent Reviewer

A conversational reviewer for the PRs you actually want to think about. It pulls up the history behind a change, asks why decisions were made, and helps you decide whether the design holds — not whether semicolons are aligned.

* **Best for**: Complex or high-stakes PRs where understanding context, design decisions, and potential second-order effects matters
* **How to use**: Start a Session with the Intent Reviewer Expert, provide the PR URL, and engage interactively. The agent guides you through the changes, surfacing relevant history and helping you ask the right questions.

### PR Risk Analyzer

Looks at a fresh PR and decides whether it's a rubber stamp or something that deserves a real review. The risky ones get handed to Intent Reviewer; the boring ones move on.

* **Best for**: Teams with high PR volume who want to focus human review time where it matters most
* **How to use**: Configure the PR Risk Analyzer as an automated trigger on new PR creation. It evaluates each PR and surfaces a triage verdict — flagging risky PRs for the Intent Reviewer and clearing low-risk ones for fast merge.

## See Also

* [PR Author](/cosmos/experts-pr-author) — let an agent open and shepherd PRs that the reviewers above will then evaluate.
* [End-to-End Tester](/cosmos/automation-tester) — pair code review with a real-world verification pass before merge.
* [GitHub configuration](/cosmos/config-github) — wire up the triggers that fire these reviewers automatically.