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darkdragonsastro

dda-mcp-server

by darkdragonsastro
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DDA MCP Server

An MCP (Model Context Protocol) server for controlling astronomy equipment. Supports Dark Dragons Astronomy devices and any ASCOM Alpaca-compatible equipment.

Installation

npm install -g @darkdragonsastro/dda-mcp-server

Or run directly with npx:

npx @darkdragonsastro/dda-mcp-server

Related MCP server: Siril MCP Server

Configuration

Claude Desktop

Add to your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "dda": {
      "command": "npx",
      "args": ["@darkdragonsastro/dda-mcp-server"]
    }
  }
}

Claude Code

claude mcp add dda -- npx @darkdragonsastro/dda-mcp-server

Tools

Device Discovery

Tool

Description

discover_devices

Discover Dark Dragons Astronomy devices on the local network via UDP broadcast

discover_alpaca_devices

Discover ASCOM Alpaca devices on the local network

Dark Dragons Astronomy Devices

DragonLAIR (Roll-off Roof Controller)

Tool

Description

get_device_status

Get the current status of a device

get_device_settings

Get device settings including safety config, location, and motor settings

open_roof

Open the observatory roof

close_roof

Close the observatory roof

abort_roof

Abort the current roof operation

get_mount_sensors

Get status of mount sensors connected to a DragonLAIR

locate_device

Make a device beep/flash to help locate it physically

Mount Sensor

Tool

Description

get_mount_sensor_status

Get status of a standalone Mount Sensor (pitch, roll, safe position)

DragonLIGHT (Flat Panel Controller)

Tool

Description

get_flat_panel_status

Get flat panel status (on/off, brightness)

turn_on_flat_panel

Turn on the flat panel light

turn_off_flat_panel

Turn off the flat panel light

set_flat_panel_brightness

Set brightness level (0-255)

ASCOM Alpaca Devices

All Alpaca devices must first be connected using alpaca_device_connect.

Connection Management

Tool

Description

alpaca_device_connect

Connect or disconnect any Alpaca device

Telescope

Tool

Description

alpaca_telescope_status

Get telescope position, tracking state, and slewing status

alpaca_telescope_slew

Slew to coordinates (RA/Dec or Alt/Az)

alpaca_telescope_park

Park or unpark the telescope

alpaca_telescope_tracking

Enable or disable tracking

alpaca_telescope_abort

Abort any slew in progress

Camera

Tool

Description

alpaca_camera_status

Get camera temperature, cooler state, and exposure status

alpaca_camera_cooler

Control cooler on/off and set target temperature

alpaca_camera_expose

Start a light or dark exposure

alpaca_camera_abort

Abort the current exposure

Focuser

Tool

Description

alpaca_focuser_status

Get focuser position, temperature, and movement state

alpaca_focuser_move

Move focuser to a specific position

alpaca_focuser_halt

Halt focuser movement

Filter Wheel

Tool

Description

alpaca_filterwheel_status

Get current filter position and available filters

alpaca_filterwheel_set

Change to a specific filter position

Dome

Tool

Description

alpaca_dome_status

Get dome shutter state, position, and slewing status

alpaca_dome_shutter

Open or close the dome shutter

alpaca_dome_slew

Slew dome to a specific azimuth

Rotator

Tool

Description

alpaca_rotator_status

Get rotator position and movement state

alpaca_rotator_move

Move rotator to absolute or relative position

alpaca_rotator_halt

Halt rotator movement

Switch

Tool

Description

alpaca_switch_status

Get status of all switches on a device

alpaca_switch_set

Set a switch on or off

alpaca_switch_set_value

Set a switch to a specific value

Cover Calibrator

Tool

Description

alpaca_covercalibrator_status

Get cover and calibrator state

alpaca_covercalibrator_cover

Open, close, or halt the cover

alpaca_covercalibrator_calibrator

Turn calibrator on (with brightness) or off

Safety Monitor

Tool

Description

alpaca_safetymonitor_status

Get safety monitor status (safe/unsafe)

Observing Conditions (Weather)

Tool

Description

alpaca_observingconditions_status

Get weather data (temperature, humidity, wind, cloud cover, etc.)

Supported Devices

Dark Dragons Astronomy

  • DragonLAIR - Roll-off roof controller with mount sensor integration

  • DragonLIGHT - Flat panel controller for calibration frames

  • Mount Sensor - Detects telescope position for safe roof operation

ASCOM Alpaca Compatible

Any device implementing the ASCOM Alpaca API:

  • Telescopes / Mounts

  • Cameras (CCD/CMOS)

  • Focusers

  • Filter Wheels

  • Domes

  • Rotators

  • Switches / Power Controllers

  • Cover Calibrators / Flat Panels

  • Safety Monitors

  • Weather Stations

License

ISC

Install Server
A
license - permissive license
B
quality
D
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

Resources

Unclaimed servers have limited discoverability.

Looking for Admin?

If you are the server author, to access and configure the admin panel.

Tools

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