# The code reviewer that catches real bugs

Greptile is purpose-built to surface the bugs that slip through code review.

[contact sales](/contact)

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fig 1. autonomous code review agent

\[ AGENT \]

## How it works

### STEP 01

#### Indexes your codebase

Builds a graph of your repo — files, functions, and dependencies.

### STEP 02

#### Swarm of agents review the PR

Parallel agents review changes and assess their impact beyond the diff.

### STEP 03

#### Greptile learns your codebase over time

Reads other engineers' comments to understand your coding standards.

[learn more](https://www.greptile.com/docs/introduction)

> “We've tried more code review tools than I can count. Greptile outperforms them all by a mile. Honestly the only AI reviewer that doesn't annoy the s**t out of me.”

CTO @ Brex

James Reggio

[read case study →](/customers/brex.md)

\[ ANATOMY OF A PR \]

## The anatomy of a Greptile PR review

[Learn more](https://www.greptile.com/docs/introduction)

### Confidence scores

Know how safe a PR is to merge at a glance with a 0-5 score

### Diagrams

Parse complex changes with sequence diagrams and flowcharts generated for every PR

### Test generation

Automatically generate unit tests for new and changed code in every PR

### PR summary

Get the big picture on the PR's key changes

### Fix in Claude / Codex / Cursor

Address any comment with a one click fix directly to your preferred coding agent

### Chat with Greptile

Ask follow up questions in the PR to clarify issues and its context

## Your house, your rules.

Set custom context in Greptile so every review reflects your team's standards, patterns, and preferences.

[Learn more](/learning.md)

### Some ways to set custom context

#### 01

##### Set custom rules

Define review rules that enforce your team's coding standards across every PR.

#### 02

##### Link your style guide

Point Greptile at your style guide so reviews match your team's conventions.

#### 03

##### Get granular with ./greptile/rules

Apply rules to tightly scoped file patterns for precise control.

## Customizable to your liking

Greptile reviews are entirely configurable, so you control exactly what appears in your PR.

[Learn more](https://www.greptile.com/docs/introduction)

### A few customizable features

#### 01

##### Severity threshold

Filter noise by setting minimum severity so only high-impact issues surface in reviews.

#### 02

##### Collapse by default

Turn off any part of the review or default sections to collapsed so they stay out of the way.

#### 03

##### Review triggers

Control when reviews run — on every push, only on request, or based on file paths and labels.

\[ MORE FEATURES \]

## Explore other features at Greptile

Find out more about how teams are using Greptile

[See docs](https://www.greptile.com/docs/introduction)

### [TREX](/trex.md)

Test every code change

[Learn more](/trex.md)

### [Independence](/independence.md)

The independent code validator

[Learn more](/independence.md)

### [Learning & Custom Context](/learning.md)

Code reviews that get personalized over time

[Learn more](/learning.md)

## Catch bugs humans miss with graph-based context

[View Pricing](/pricing.md)

[Start now](https://app.greptile.com/signup)