PromptShield — open-source prompt injection + hallucinationfirewall for any LLM app

Built a Python middleware that wraps any LLM call with 3 layers: Input Guard — blocks prompt injections (DistilBERT, F1: 0.944) Output Guard — catches hallucinations (NLI cross-encoder) Memory Layer — persistent agent memory (ChromaDB) All local models. No API keys. No cost. pip install neeraj-llmguard Live demo: Llmguard Demo - a Hugging Face Space by Neeraj-Ch0udhary GitHub: GitHub - Neeraj-Ch0udhary/promptshield: Open-source prompt injection firewall + hallucination blocker + agent memory layer for any LLM app · GitHub Model: Neeraj-Ch0udhary/llmguard-input-guard · Hugging Face Would love feedback from the HF community!