What is an AI agent? Tool loops, stalls, and 3 prod decisions
An AI agent is an LLM in a tool-calling loop. How loops work, why they stall or run away, and the 3 architecture decisions that matter in production.
Tag · agents
An AI agent is an LLM in a tool-calling loop. How loops work, why they stall or run away, and the 3 architecture decisions that matter in production.
LLM agent costs in production 2026: three workload models with token math and USD totals per 1,000 runs, from a 3-call support bot to an 8-step coding loop.
Three production guards that stop runaway LLM agent loops in Node.js: max turns, cost budgets, and return value validation with working code.