AI News

Google Open-Sources Harness²: Agents Rewrite Their Own Scaffolding, Lifting Benchmarks by Up to 11.8 Points Without Touching Model Weights

Google Cloud AI Research has released Harness², an Apache 2.0 framework that automatically optimizes the "scaffolding" around an AI agent — system prompts, tool guides, memory, sub-agents, skills and more — while leaving model weights untouched. On the LAB legal-agent benchmark it delivered an 11.8 percentage point gain, and a weaker model with an optimized scaffold outperformed a stronger one in its default configuration.

Google AI Agents 开源框架
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Stripe Data: AI-Agent Payments Surge 38-Fold in September, but Bank Blockades and a Liability Vacuum Arrive Together

Stripe data show that AI-agent-driven transactions through Link surged 38-fold month over month in September 2026, with payment volume up 20-fold, even as Charles Schwab and JPMorgan Chase moved to block unauthorized agents from customer accounts. The growth remains small in absolute terms, and unresolved questions over trusted-agent definitions and liability for losses loom over agentic commerce.

AI Agents 代理商业化 Stripe
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