MSW DevTools Controller

Control MSW handlers from a dedicated DevTools panel.

As of June 2026, MSW DevTools Controller has 27 users and a 5.00/5 rating from 1 reviews in the Developer Tools category.

Usersup 17.4 percent+17.4%
27
27
Ratingno change0%
5.00
1 reviews
Reviewsno change0%
1
Version
0.1.1
Manifest V3

History

5 snapshots

Tracking since Apr 19, 2026.

27.322522.68Apr 19, 2026Jun 7, 2026
View as table
DateUsersRatingReviewsVersion
Apr 19, 2026235.0010.1.1
May 4, 2026265.0010.1.1
May 13, 2026245.0010.1.1
May 26, 2026255.0010.1.1
Jun 7, 2026265.0010.1.1
Now275.0010.1.1

Permissions & access

Permissions
None declared
Host access
None declared

Screenshots

MSW DevTools Controller screenshot 1MSW DevTools Controller screenshot 2MSW DevTools Controller screenshot 3MSW DevTools Controller screenshot 4

About

1. Intorduction
This tool is a Chrome DevTools extension that serves as the official Chrome panel implementation of the msw-controller library. It allows you to dynamically control MSW (Mock Service Worker) handlers in real-time without refreshing the browser, significantly improving frontend development and testing productivity.

2. Key Features
Custom Panel: Adds a dedicated 'MSW Controls' tab to the developer tools.
Grouped UI: Displays handlers grouped by API, with collapsible sections.
Individual Handler Control: Toggle individual handlers on/off using switches.
Real-time Code Sync: Automatically reflects changes in the panel UI when handler files are modified and saved (HMR).

3. Installation
Chrome Web Store Installation
Search for "MSW DevTools Controller" in the Chrome Web Store.
Click "Add to Chrome" to install.
Relationship with msw-controller Library
This Chrome extension is the official Chrome panel implementation of the msw-controller library. The msw-controller library provides core functionality for dynamically controlling MSW handlers, while this extension provides a user-friendly UI layer in Chrome DevTools.

4. Installing msw-controller Library
- npm install msw-controller
For library usage and detailed API documentation, please refer to the msw-controller GitHub repository(https://github.com/kkdy21/msw-controller).

5. Usage
Click on the "MSW Controls" tab in the developer tools.
The panel automatically loads the current page's MSW handlers.
Use the toggle switches to enable or disable handlers as needed. Changes are applied immediately.

Technical

Version
0.1.1
Manifest
V3
Size
85.92KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
fnnfncfehcejpfapniihdfgnnlpfnini
Developer ID
u44c48c8c587349126cf40030ce274453
Developer Email
[email protected]
Created
Jun 20, 2025
Last Updated (Store)
Jun 22, 2025
Last Scraped
Jun 7, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified Jun 7, 2026.