get_device_info
Retrieve comprehensive Android device details including model, OS version, and hardware specifications for development, testing, and debugging workflows.
Instructions
Get comprehensive device information
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| device_serial | No |
Implementation Reference
- src/adb_mcp_server/server.py:63-97 (handler)Handler function for 'get_device_info' tool. Fetches device properties (model, manufacturer, Android version, screen info, battery status) using ADB shell getprop, wm, and dumpsys battery commands. Returns a dictionary with the information.
@mcp.tool() def get_device_info(device_serial: str | None = None) -> dict: """Get comprehensive device information""" props = [ ("model", "ro.product.model"), ("manufacturer", "ro.product.manufacturer"), ("device", "ro.product.device"), ("android_version", "ro.build.version.release"), ("sdk_version", "ro.build.version.sdk"), ("build_id", "ro.build.id"), ("hardware", "ro.hardware"), ("serial", "ro.serialno"), ("locale", "persist.sys.locale"), ("timezone", "persist.sys.timezone"), ] info = {} for name, prop in props: info[name] = run_adb(["shell", "getprop", prop], device_serial).strip() # Add screen info info["screen_size"] = run_adb(["shell", "wm", "size"], device_serial).strip() info["screen_density"] = run_adb(["shell", "wm", "density"], device_serial).strip() # Battery info battery = run_adb(["shell", "dumpsys", "battery"], device_serial) for line in battery.split('\n'): if 'level:' in line: info["battery_level"] = line.split(':')[1].strip() + "%" if 'status:' in line: status_map = {'2': 'Charging', '3': 'Discharging', '4': 'Not charging', '5': 'Full'} status = line.split(':')[1].strip() info["battery_status"] = status_map.get(status, status) return info - src/adb_mcp_server/server.py:63-63 (registration)Registers the get_device_info function as an MCP tool using the FastMCP decorator.
@mcp.tool() - src/adb_mcp_server/server.py:24-40 (helper)Utility function used by get_device_info to execute ADB commands and handle output/errors.
def run_adb(args: list[str], device_serial: str | None = None, timeout: int = 30) -> str: """Run an ADB command and return output""" cmd = ["adb"] if device_serial: cmd.extend(["-s", device_serial]) cmd.extend(args) try: result = subprocess.run(cmd, capture_output=True, text=True, timeout=timeout) if result.returncode != 0 and result.stderr: return f"Error: {result.stderr}" return result.stdout except subprocess.TimeoutExpired: return "Error: Command timed out" except Exception as e: return f"Error: {str(e)}"