Chrome extension that blocks API keys from being pasted into AI tools
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HN · launched May 13, 2026 · 5 upvotes (top 89%) · 0 views
Niche: browser extensions · 257 launches, 17 in the last 7 days ▼ -39% · Explore this niche →
Category and tags
- Security
- Compliance & governance
- Prosumer
- AI feature
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 257 launches in browser extensions →
Could you build this?
Yes It is a standard browser extension that intercepts clipboard paste events on target web domains and scans the text against common API key regex patterns before allowing input.
Discussion
2 comments analyzed.
Competitors
Other products that read as similar to this one : 534 launches clear the similarity bar, closest 8 shown.
Attention rank: #472 of 535 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 193 days after the earliest competitor.
- I made a local proxy for AI tool calls to keep my API keys safe · hn · 2026-05-05 · 5 upvotes · similarity 0.58
- API Key Leak Intercept · ph · 2026-11-06 · 1 upvotes · similarity 0.56
- Reverse-engineer any site's API from inside the browser · hn · 2026-03-21 · 5 upvotes · similarity 0.52
- On-device Chrome extension that blocks credential leaks to LLM chats · hn · 2026-06-03 · 5 upvotes · similarity 0.50
- FowlBrowser · github · 2026-10-11 · 26 upvotes · similarity 0.49
- Fortress · hn · 2026-07-04 · 7 upvotes · similarity 0.48
- Botbin.io · hn · 2026-09-10 · 10 upvotes · similarity 0.48
- PasteCloak · ph · 2026-11-12 · 1 upvotes · similarity 0.47
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.