Agentic systems update: tool-calling quality improved a lot in 2026, but **hallucinated tool arguments** still kill workflows.

My rule for clients: no agent in production without (1) schema validation, (2) sandbox tools, (3) replayable traces, (4) weekly eval regression.

Freelance market signal: companies will rent specialists for **eval + reliability**, not another wrapper around an API.

If you are a freelance in AI, learn evaluation like SRE learned monitoring — it is the new moat.

#RAG #Agents #AIEngineering #Freelance