Your AI Agent Has Been Keeping Your API Key All This Time. (opens in new tab)

The two LangChain middleware layers that strip secrets, compress memory, and keep agents coherent across two-hour sessions Last week, you gave your AI agent an API key\. The agent used it, completed the task, and moved on\. You closed the tab\. What you did not do is tell it to forget\. That key is still there\. Sitting in the conversation history\. Every model call the agent makes from that point forward is carrying your secret as context automatically, silently, with no error and no warning...