About agentfenster
agentfenster is an MCP server in the Finance category: windows GUI automation on a hidden second desktop, driven from Claude Code over MCP.
Install
uvx
uvx agentfenster-mcppip
pip install agentfenster-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (11)
agent_windowsLists the windows currently open on the shared agent desktop, frontmost first, so you can pick one by a title substring.
Parameters not published.
clickClicks one element, chosen by id or name from `read_desktop`, then verifies against the desktop state and states explicitly whether anything changed.
Parameters not published.
desktop_taskRuns a full GUI task in one window and returns a single paragraph: what happened, whether it worked, and if not, which step failed and why. The click loop runs inside the server, so its retries never enter your context.
Parameters not published.
inspect_windowReturns the capped, filtered element tree of one window as a compact list, for planning clicks yourself. Capped at 200 elements and never walked from the desktop root.
Parameters not published.
list_windowsLists the windows this machine can drive, with title, class, minimized state and whether a picture can be captured. The starting point when you do not know the exact window title.
Parameters not published.
open_appLaunches a program on the shared agent desktop and reports its first titled window. The agent desktop starts empty, so this is how anything gets onto it.
Parameters not published.
press_keyPresses a key or key combination such as `ctrl+s`, `enter`, `tab` or `alt+f4`, optionally focusing an element first, with verification afterwards.
Parameters not published.
read_desktopReads the compact element tree of a window on the agent desktop, one line per interactive element, no screenshot. Plan your clicks from this.
Parameters not published.
replayLists recent runs, or returns one run's step-by-step log: every plan, every action, whether it changed anything, and a link to the visual replay in the app.
Parameters not published.
scrollScrolls a window or a specific pane and reports whether the content actually moved. A list that is already at the bottom reports no effect.
Parameters not published.
type_textTypes text into one element on the agent desktop, then verifies whether anything changed.
Parameters not published.
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