PromptWall — Enterprise AI Security

PromptWall — Enterprise AI Security Platform Multi-tenant AI security firewall protecting enterprise LLM usage. Built end-to-end as sole architect and engineer: 34 modules, 5 custom Python AI models (NER, Embedding, Injection Detection, Toxicity, OCR), multi-tenant control plane. Key features: Multi-LLM integration with circuit breaker pattern (OpenAI, Anthropic, Google, Ollama, vLLM), semantic DLP using pgvector + HNSW indexing, document protection with OCR-based image analysis, browser/editor/CLI/agent guard surfaces. Stack: Node.js, TypeScript, Python, PostgreSQL with pgvector, gRPC, Next.js, Docker, ClickHouse. https://promptwall.net