# MobX Developer Tools

> Dev-tools for MobX and React. Use this extension to debug pages containing MobX 3.1.15 or higher (https://mobx.js.org/) For more information, please refer to https://github.com/andykog/mobx-devtools/blob/master/README.md

Canonical page: [https://chrome-stats.com/d/mobx-devtools](https://chrome-stats.com/d/mobx-devtools)

## Overview

- **ID:** `mobx-devtools`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Andrew Kogut
- **Category:** web-development,other
- **Daily users:** 289
- **Weekly downloads:** 3
- **Rating:** 5.00 / 5 (4 ratings)
- **Version:** 0.9.33
- **Last updated:** 2026-06-17
- **First published:** 2017-09-27
- **Size:** 720 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/mobx-devtools/)
- **Website:** [https://github.com/andykog/mobx-devtools/issues](https://github.com/andykog/mobx-devtools/issues)

## Description

MobX Developer Tools is a powerful Chrome extension designed to enhance the debugging experience for developers working with MobX 3.1.15 or higher and React applications. This extension provides a dedicated set of tools that allow you to inspect MobX observable states, track reactions, and monitor state changes in real-time, making complex state management straightforward and transparent.

With MobX Developer Tools, you can seamlessly debug your MobX-powered React applications, quickly identify issues, and optimize your app's performance. The extension integrates smoothly within your browser environment, supporting efficient development workflows and understanding of your app's dynamic data flow. For more detailed guidance and updates, users can visit the official project repository at https://github.com/andykog/mobx-devtools.

## Rankings

- #6,836 — Overall
- #4 — developer tools
- #12 — developer
- #44 — level
- #44 — tools
- #62 — development

## Permissions and access

### Permissions

- `contextMenus`
- `storage`
- `scripting`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/mobx-devtools)