MCP · 10 minutesAdd USRKey support to your AI agentWire the connector into Claude Desktop, Cursor, or any MCP client — from empty folder to a briefed agent, with the exact payload it receives.
No SDK · Node or PythonRead a USRKey in ~20 linesThe format is the API. A dependency-free reader in Node and Python, plus the three rules a well-behaved reader follows.
No app · any editorWrite a USRKey by handSix markdown files, a text editor, done. What goes in each page, what to leave out, and how to check your work.
More guides as the format grows — request one.
usrkey