SigInspector - Statsig Event Log & Inspector by Applied Labs
View and inspect Statsig event logs, gate evaluations, and experiment exposures directly in Chrome DevTools.
Extension Metadata
About this extension
SigInspector is a developer tool for teams using the Statsig SDK. It adds a dedicated panel to Firefox DevTools that captures and displays Statsig network traffic in real time.
What you can see:
- INIT — SDK initialization payloads, feature gate values, and experiment assignments
- GATE — individual gate evaluation calls
- EXP — experiment exposure events
- LOG — custom event batches
Features:
- Filter by event type (INIT, GATE, EXP, LOG)
- Search by gate name, experiment name, or event name
- Click any event to inspect the full request and response payload
- Pause capture, clear the log, or export events as JSON
- Works on any domain running the Statsig JavaScript SDK
What you can see:
- INIT — SDK initialization payloads, feature gate values, and experiment assignments
- GATE — individual gate evaluation calls
- EXP — experiment exposure events
- LOG — custom event batches
Features:
- Filter by event type (INIT, GATE, EXP, LOG)
- Search by gate name, experiment name, or event name
- Click any event to inspect the full request and response payload
- Pause capture, clear the log, or export events as JSON
- Works on any domain running the Statsig JavaScript SDK
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Permissions and data
Required permissions:
- Extend developer tools to access your data in open tabs
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 44.56 KB
- Last updated
- 4 days ago (Feb 22, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection