
Niyantri Security
Introducing World’s First AI Autonomous Security Engineer
What it does
Meet Niyantri Security, the AI "Security Engineer" that doesn't just find vulnerabilities—it fixes them. Most tools just generate long reports for manual triage. Niyantri goes beyond passive detection to active remediation. Our agent contextually understands code flaws, writes the patch, and automatically opens a Pull Request directly in your repo for review. Close the loop from Vulnerability Detected ➡️ Fix PR ➡️ Secure Code! and stop drowning in alert fatigue.
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Hey HN, Henry from Cactus here! We previously released Cactus Needle, a 14MB agentic LLM for tool call, device use, and structured extraction for phones, wearables, smart homes, small robots and microcontrollers. We got really great feedback here, and have now incorporated the suggestions to release Needle 2. The whole model is a single 14MB binary that runs a full session in 28MB of RAM; 45m parameters at 2bit compression. Needle hits 500 tokens/sec decode speed on a Raspberry Pi 5, sits between 400-1,500 tokens/sec on VR devices like Meta Quest 3S and Apple Vision Pro, and ranges…
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Launched alongside, March 2026
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