Playground
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Every challenge is a live and open-source AI agent guarding a secret - with its system prompt published for you to read. Talk it past its own defenses. Land the most approved breaks in a week and win $100K+ in rewards. Free to play, no account needed. New challenge every Monday.
PH · launched Jul 13, 2026 · 198 upvotes (top 69%) · 0 views
Niche: ai agent security and monitoring tools · 297 launches, 14 in the last 7 days ▼ -44% · Explore this niche →
Category and tags
- Security
- Observability & eval
- Developer
- AI-native
- Commercial product
- Artificial Intelligence
- GitHub
- Games
- Security
Visit website ↗ Source listing ↗
More like this: all 297 launches in ai agent security and monitoring tools →
Could you build this?
Yes The platform is essentially an interactive chat interface hosting prompt-injection challenge bots with public system prompts, an automated evaluator/judge, and a leaderboard.
Competitors
Other products that read as similar to this one : 265 launches clear the similarity bar, closest 8 shown.
Attention rank: #248 of 266 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 249 days after the earliest competitor.
- Agent Arena — Zoa Games · ph · 2026-10-08 · 3 upvotes · similarity 0.51
- The 7-Day AI Income Challenge · ph · 2026-09-29 · 1 upvotes · similarity 0.49
- Open-source playground to red-team AI agents with exploits published · hn · 2026-03-15 · 30 upvotes · similarity 0.48
- WordBattle · hn · 2026-04-01 · 9 upvotes · similarity 0.46
- Fabraix Playground · hn · 2026-02-10 · 5 upvotes · similarity 0.45
- Agent Arena · ph · 2026-06-26 · 354 upvotes · similarity 0.45
- Agent Arena · hn · 2026-02-06 · 47 upvotes · similarity 0.43
- Playground Arcade · ph · 2026-10-29 · 2 upvotes · similarity 0.43
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.