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Rebuilding the first versions of great products with AI.
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HARISH RAJ B

PromptShield - The world’s first LLM Firewall

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PromptShield is an AI security platform that detects and defends against prompt injection, token abuse, jailbreaks & LLM threats — with live attack monitoring, threat feed, and red-teaming tools. Built for AI startups, red teams, and enterprises.

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HARISH RAJ B
Maker
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Built after watching AI security get ignored, PromptShield is a solo-built firewall for LLMs — protecting your models from prompt injection, emoji attacks, jailbreaks, and token smuggling. It’s fast, affordable, and built for the future of AI. I’m proud to say this was built in India with zero funding — just mission, vision, and a lot of late nights.
Erliza. P

LLM Firewall? Now that’s next-level AI security. 🛡️🤖 PromptShield is a huge step toward safer, more controlled AI deployments. Excited to see it in action! 🔐🧠

Sardul Bhattarai

This is such a fun and creative idea. Seeing the first versions of today’s biggest tech products is like a time machine for makers. I love that the community can refine and update them, and being able to duplicate and build your own version for free is a great bonus. Can’t wait to explore!