app_running

MCP tool from GhostDesk by YV17labs

List the application windows currently open — call before applaunch to avoid relaunching an app that is already there

How to use it

app_running is exposed by the GhostDesk MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the app_running tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

FULL GHOSTDESK LISTING

Other tools in GhostDesk (13)

app_launch

Start a GUI application by name

app_list

List the GUI applications installed on the desktop

app_status

Check if an application is running and read its logs

clipboard_get

Read clipboard contents

clipboard_set

Write to clipboard

key_press

Press keys or combos (ctrl+c, alt+F4, Return...)

key_type

Type text with realistic per-character delays

mouse_click

Click at coordinates

mouse_double_click

Double-click at coordinates

mouse_drag

Drag from one position to another

mouse_move

Move the cursor to coordinates without clicking — reveals hover-only menus, tooltips, and CSS :hover states (e.g. Gmail action bar)

mouse_scroll

Scroll in any direction (up/down/left/right)

screen_shot

Capture the screen as a WebP image (pass format="png" for lossless). Pass region= to crop to a sub-rectangle at native resolution. Tune quality= (1-100, default 50 — invisible on UI content, ~50% smaller than 80; raise for fine fonts or design surfaces). Set stabilize=False to skip page stabilizatio