OWL Claude
OWL / SAFETY LAB

Claude safety checks

Understand your browser, network and API provider in one place. Each check shows its evidence and limits.

Independent diagnostics by Owl. Results do not guarantee Claude access or account safety.
01

Region & browser

The original 10-signal regional score: timezone, language, fonts and browser signals.

Open check
02

Fable 5.1 API checker

11 Fable 5.1 checks for thinking signature fields, tools, PDF, streaming, protocol and token usage.

Open check
03

DNS leak test

See which recursive resolvers actually answer your browser’s DNS queries.

Open check
04

WebRTC leak test

Inspect ICE candidates and compare public addresses with your HTTP connection.

Open check