Stop Hardcoding User Names in AI Prompts

Logosofia no Dia a Dia · Mar 31, 2026 · 27m

When building voice agents, how do you store persistent user details like a child's name without cluttering prompts or killing latency? This episode dissects three engineering patterns: the "Fat System Prompt," pre-pending context, and lightweight key-value stores with tool-calling. We explore the trade-offs in token cost, latency, and reliability, using a real-world parenting advice agent as the test case. Learn why the "engineer's choice" for 2026 involves SQLite, orchestration layers, and keeping your context window clean. Episode 1811 — myweirdprompts.com/n/1811 (permanent short link…