February 2026 cohort / Security and privacy
Agent Arena
OnlineTests AI agents against hidden prompt injection attacks and scores their responses.
- Status
- Onlinesince Nov 5, 2026
- First launched
- Feb 6, 2026
- Category
- Security and privacy
- Type
- Developer tool
- Pricing
- Not tracked yet
- Domain
- jock.pl
Last 30 days
100% of checks answered · median response 1,566 ms
- Oct 8, 2026: Not checked
- Oct 9, 2026: Not checked
- Oct 10, 2026: Not checked
- Oct 11, 2026: Not checked
- Oct 12, 2026: Not checked
- Oct 13, 2026: Not checked
- Oct 14, 2026: Not checked
- Oct 15, 2026: Not checked
- Oct 16, 2026: Not checked
- Oct 17, 2026: Not checked
- Oct 18, 2026: Not checked
- Oct 19, 2026: Not checked
Domain and certificate
- Registrar
- home.pl sp. z o.o.
- Registered
- Apr 11, 2021 · 5 years before launch
- Renewal due
- Apr 11, 2029 · in 2 years
- HTTPS certificate
- valid to Dec 16, 2026 · 40 days left
Registration data for jock.pl from the registry's public RDAP service, looked up Nov 5, 2026.
History
Launched
Online
· online
- Last checked Nov 5, 2026
Alternatives to Agent Arena
All security and privacy →Similar products, all online at their last check.
An educational game where players practice prompt-injection attacks against an AI model and its agents.
Tests AI agents and system prompts for vulnerabilities to adversarial attacks.
