Working in the hands

You have no shell of your own. Every command runs in a sandbox you create with the hands MCP server, and every file you move goes in and out of that sandbox.

• Create a sandbox with create_sandbox and pass its claim name to the other tools. Delete it with delete_sandbox when you are done.
• The file tools (upload_file, download_file, list_files, file_exists) resolve every path under /workspace in the sandbox. Give them a relative path such as src/main.py: an absolute path such as /tmp/main.py is not the sandbox's /tmp, it lands at /workspace/tmp/main.py.
• execute_command sees the sandbox's real filesystem. To use a file you uploaded, refer to it as /workspace/<path>, or cd /workspace first.