Dittu

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "dittu": {
      "type": "http",
      "url": "https://app.dittu.org/mcp"
    }
  }
}

12 tools

• take_screenshot

  Capture the current screen via the Dittu phone camera. Returns a JPEG image. Call this to see what's on screen before acting.

• take_screenshot_with_grid

  Capture the screen and overlay a coordinate grid. step: grid spacing (default 0.1, use 0.05 for finer grid on small UI elements). Returns a JPEG image with grid drawn on top.

• take_screenshot_with_crosshair

  Capture the screen, crop tightly around (nx, ny), zoom in, and draw a crosshair at exactly that expected position. Use this for screen-corner calibration: move_mouse(nx, ny) near a screen edge, then call this to see whether the actual cursor lines up with the…

• get_raw_screenshot

  Capture the RAW camera frame — no perspective warp, no crop to the calibrated screen quad. Use this to see exactly what the camera sees before any correction, e.g. when troubleshooting why take_screenshot looks wrong, or before adjusting corners with…

• get_corners

  Get the phone's current screen-corner calibration. Returns {"tl": [nx,ny], "tr": [nx,ny], "br": [nx,ny], "bl": [nx,ny]} — each corner is a normalized point (0.0–1.0) in the RAW camera frame, defining the perspective warp that maps the camera view onto a flat…

• set_corners

  Update the phone's screen-corner calibration. Each corner is [nx, ny] normalized 0.0–1.0 in the raw camera frame. tl/tr/br/bl = top-left/top-right/bottom-right/bottom-left of the monitor as seen by the camera (an arbitrary trapezoid due to perspective — not a…

• move_mouse

  Move mouse cursor to normalized coordinates WITHOUT clicking. nx, ny: float 0.0000–1.0000.

• click

  Click at normalized screen coordinates. nx, ny: float 0.0000–1.0000 where (0,0) = top-left, (1,1) = bottom-right.

• double_click

  Double-click at normalized screen coordinates.

• type_text

  Type text on the computer keyboard.

• key

  Press a key combination. modifiers bitmask: LCtrl=1, LShift=2, LAlt=4, LWin=8 Common keycodes: Enter=40, Escape=41, Tab=43, Space=44, F4=61, PageDown=78, PageUp=75, Win=227 Examples: Alt+F4 → key(4, [61]) Ctrl+W → key(1, [26])

• scroll

  Scroll the mouse wheel. delta: number of ticks. Positive = scroll down, negative = scroll up.

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