The answer
Naver CAPTCHA
Top verified match: its declared tools match your intent.
tested · static-verifiedsigned passport ✓score 58/1002 declared tools2,660 uses
Runners-up
- reCAPTCHA Enterprise API32/100 · weaker match
- captcha.cc Human Verification47/100 · weaker match
- captcha-mcp59/100 · higher verification score, weaker intent match