I'm a senior software engineer in Amsterdam, building software with AI agents and writing about what I learn.

• Embeddings rot too. Running pgvector in production.
• Stop shipping retrieval changes on vibes
• Your RAG is confidently wrong without hybrid search
• Stop tuning everything. pgvector has three knobs that matter.
• Your agent's knowledge base is lying to you. Run these 14 checks.

Tokens my coding agents burned per day.