Permissions Come Before Vector Search
How to keep a useful document assistant from retrieving another customer's records, even when two documents look semantically similar.
AI Engineering
Building RAG Apps That Don’t Hallucinate Every Answer
Lessons from building document Q&A tools and AI assistants that rely on retrieval instead of pure prompting.
Using OpenAI Safely in Production Apps
Practical guardrails I use when integrating OpenAI into real products with real users.