Schema | da-mcp

da-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`DISPLAY`	No	X11 display (Linux only)
`DA_MCP_LOG`	No	Log level (trace\|debug\|info\|warn\|error), default info	info
`WAYLAND_DISPLAY`	No	Wayland display socket
`DA_MCP_TEST_MODE`	No	mock skips real native calls in tests; e2e tests skip when set
`DA_MCP_OCR_BACKEND`	No	OCR backend: cli (default) or wasm	cli
`DA_MCP_TESSERACT_BIN`	No	Path to tesseract binary, default tesseract	tesseract
`DA_MCP_SCREENSHOT_BACKEND`	No	Force a screenshot backend (node-screenshots \| screenshot-desktop \| windows-cli); default auto-detect

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
da_screenshotA	Capture a PNG screenshot of the primary display (when displayId is null/undefined) or a specific display id (0..32767).
da_ocrC	Run OCR (Tesseract) on a display and return recognized text plus classified UI elements.
da_list_displaysA	List connected displays with id, bounds, scale factor, rotation, and primary flag.
da_get_mouse_positionA	Return the current cursor position as { x, y } in screen coordinates.
da_move_mouseC	Move the cursor to absolute (x, y) screen coordinates.
da_clickB	Click a mouse button (defaults to "left", count 1). When x/y are given, the cursor is moved first.
da_double_clickB	Double-click the left mouse button. Moves to (x, y) first when provided.
da_dragB	Drag from (x1, y1) to (x2, y2). Button defaults to "left"; non-left buttons are accepted in the schema but currently ignored.
da_scrollA	Scroll the wheel at the current (or given) cursor position by (dx, dy) pixel deltas. Positive dy = down, positive dx = right.
da_typeA	Type a string at the current keyboard focus. Empty string is a no-op. Optional per-char delay (ms).
da_keyA	Press a key by name, optionally with modifiers (e.g. {"key":"c","modifiers":["ctrl"]} for Ctrl+C). holdMs > 0 issues a press-hold-release.
da_launchB	Launch a program by name or absolute path. argv[0] is required. cwd, env, timeoutMs, and detached are optional.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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