Google Open Sources Harness2 for Self Improving AI Agents

Explain Like I'm Normal

Google has open-sourced Harness2, a framework that allows AI agents to iteratively improve their own system prompts, tools, and workflows without manual intervention. Instead of changing model weights, the system tests different configurations for a task and saves the winning setup for future use. This essentially creates a persistent 'skill memory' that makes agents smarter the more they are used.