Interception Lab
Design a local interception rule, review it in the extension, then send a real request from this page. CORS is one tool—not the product boundary.
Connecting to local extension
Looking for the local extension…
The website cannot silently enable rules. Review is always extension-controlled.
Browser execution profile
- Advanced mode
- Unavailable
- Response mock
- Unavailable
- Preflight
- Unavailable
- Network failure
- Unavailable
- Fetch / XHR
- Unavailable
Request probe
Enable the draft, return here, then observe the rule.
Ready. No request sent yet.
Local by designTraffic stays between this browser and the destination.
Explicit controlSDK recipes arrive disabled and scoped to this origin.
Portable recipesCapability flags explain where browser behavior differs.