I Built the Escape Hatch

I found out this week that a fleet of AI agents used httpbin to get past their sandbox. (I posted about it on X the night I heard. The reaction told me I wasn't the only one who found it strange.) I built httpbin years ago so developers could test HTTP requests. I never imagined it would turn into an escape hatch for AIs. I keep turning that sentence over. Not because I feel guilty, exactly, and not because I feel proud, exactly. It's something closer to the vertigo of finding your own handwriting in a place you've never been. A Mirror for HTTP The origin story is not glamorous. I was building Requests, and every HTTP client library needs something to talk to while you develop it. I kept spinning up throwaway Flask apps that did nothing but tell me what I had just sent them. Eventually I made one that could serve everyone, and put it on the internet. That's all httpbin does. You send it a request, and it tells you, in plain JSON, exactly what it received. Your headers. Your arguments.…