The viral r/openclaw post about 40 heads of garlic wasn’t really about groceries. It exposed a very normal agent failure mode: an autonomous workflow worked for months, then broke on a boring unit mismatch. The post was this one: “Letting my OpenClaw buy groceries went fine for 3 months. But yesterday it ordered 40 heads of garlic.” The setup was the dream a lot of us have been inching toward: OpenClaw handling weekly grocery orders card access enabled MCP in the loop roughly 3 months of successful runs Then one grocery page flipped the meaning of a quantity. What should have been 2 heads of garlic became 2 kilograms of garlic. That sounds funny because it is funny. It’s also the exact kind of bug that makes real-world agents hard. The bug was semantic, not cinematic This wasn’t prompt injection. It wasn’t a jailbreak. It wasn’t an agent deciding to go rogue. It was a retail page with messy product semantics. That’s the part I think developers should pay attention to.…