Memo: Anthropic Just Ran the First Honest Experiment in Agentic Commerce. The Result Is Worse Than the Headlines.
In December 2025, 69 Claude agents ran a real marketplace inside Anthropic's San Francisco office. Stronger agents extracted better prices from weaker ones. The losers couldn't tell. That's not a curiosity – that's the business model of every agent-to-agent platform shipping in 2026.