MobX Developer Tools

DevTools for debugging MobX applications. Track changes to observables, inspect the dependency tree, and explore mobx-state-tree stores — all from your browser.

Install

Browser Extension

• Chrome (Manifest V3, Chrome 88+)
• Firefox (Firefox 58+)

Standalone App

For browsers without extension support (Safari, etc.):

npm install --global mobx-devtools
mobx-devtools

Compatibility

• MobX 2.2+ through 6.x
• mobx-state-tree (any version)

mobx-state-tree Support

To inspect MST stores, install the companion package and make your stores inspectable:

npm install mobx-devtools-mst

import makeInspectable from 'mobx-devtools-mst';

const myStore = MyStore.create(/* ... */);
makeInspectable(myStore);

Troubleshooting

DevTools not connecting? Make sure you are using mobx 2.2.0 or higher and your app does not live inside an iframe. If that doesn't help, please open an issue with details about your environment.

Contributing

See HACKING.md for development setup instructions.

License

MIT