lazyBoy/docs/cua-schemas/0.23.2/schema-press_key.txt

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2026-09-07 16:40:59 +00:00
name: press_key
description:
Press a key via XSendEvent to a window. No focus steal.
input_schema:
{
"additionalProperties": false,
"properties": {
"delivery_mode": {
"default": "background",
"description": "Input delivery mode. 'background' (default) never activates or raises the target window. On X11 it injects via XTEST / the XInput2 master pointer (no focus steal). On Wayland it goes through libei + xdg-desktop-portal, which injects to the compositor's input focus — Wayland's security model has no per-window background targeting, so a specific non-focused window cannot be aimed at; when no libei backend is available the tool returns a structured background_unavailable error. 'foreground' is the explicit escalation: activate the target (X11 _NET_ACTIVE_WINDOW; Wayland compositor activate), inject, then restore the prior active window — a brief focus swap unless the target was already active. Matches the macOS / Windows delivery_mode surface.",
"enum": [
"background",
"foreground"
],
"type": "string"
},
"element_index": {
"description": "Element index from get_window_state. Requires the matching `snapshot_id` alongside it. Prefer `element_token`, which carries both values.",
"type": "integer"
},
"element_token": {
"description": "Opaque per-snapshot element handle from `structuredContent.elements[].element_token`. If element_index, snapshot_id, or window_id are also supplied they must agree. Returns an explicit stale error once a newer snapshot supersedes it.",
"type": "string"
},
"key": {
"type": "string"
},
"modifiers": {
"items": {
"type": "string"
},
"type": "array"
},
"pid": {
"type": "integer"
},
"scope": {
"default": "window",
"enum": [
"window",
"desktop"
],
"type": "string"
},
"session": {
"description": "For multi-call work, prefer a short public session label and repeat it on every call that accepts it. Omit it to use the authenticated transport's implicit lifecycle session.",
"type": "string"
},
"snapshot_id": {
"description": "Snapshot handle from get_window_state. Required when targeting by element_index; stale snapshots fail closed.",
"pattern": "^s[0-9a-f]{8}$",
"type": "string"
},
"target": {
"anyOf": [
{
"description": "Exact capture/input target selected independently for each action.\n\n`display_id=\"primary\"` is the portable desktop target in this release.\nPlatforms that cannot address another display reject it explicitly rather\nthan silently changing coordinate spaces.",
"oneOf": [
{
"additionalProperties": true,
"properties": {
"kind": {
"const": "window",
"type": "string"
},
"pid": {
"format": "uint32",
"minimum": 0,
"type": "integer"
},
"window_id": {
"format": "uint64",
"minimum": 0,
"type": "integer"
}
},
"required": [
"kind",
"pid",
"window_id"
],
"type": "object"
},
{
"additionalProperties": true,
"properties": {
"display_id": {
"type": "string"
},
"kind": {
"const": "desktop",
"type": "string"
}
},
"required": [
"kind",
"display_id"
],
"type": "object"
}
]
},
{
"type": "null"
}
]
},
"window_id": {
"type": "integer"
},
"x": {
"description": "Screenshot-pixel X — the element px action form: pixel-click there to focus, then send the key. Use when the key must go to a Chromium/Electron surface the AX path can't focus. Pass with y, no element_index.",
"type": "number"
},
"y": {
"description": "Screenshot-pixel Y (see x).",
"type": "number"
}
},
"required": [
"key"
],
"type": "object"
}