Darren Wang

Research Engineer, AWS

Darren Wang is a Research Engineer at Amazon Web Services who bridges AI research and production systems, specializing in agent simulation and evaluation frameworks.

1 post

April 20, 2026

ToolSimulator: scalable tool testing for AI agents

ToolSimulator is an LLM-powered framework within Strands Evals that enables safe, scalable agent testing by using simulated tool responses instead of risky live API calls.

Darren WangSmeet DhakechaVinayak ArannilXuan Qi