Headless Mode

openhands --headless -t "Your task here"

# Run a task in headless mode
openhands --headless -t "Write a Python script that prints hello world"

# Load task from a file
openhands --headless -f task.txt

openhands --headless --json -t "Create a simple Flask app"

{"type": "action", "action": "write", "path": "app.py", ...}
{"type": "observation", "content": "File created successfully", ...}
{"type": "action", "action": "run", "command": "python app.py", ...}

openhands --headless --json -t "Add unit tests" > output.jsonl