1/ Any model on OpenRouter can now run code in a hosted Linux container.
Add one tool to a Responses API request. The model writes the script, runs it, and reads back the result. Nothing to install, nothing to host.
Meet openrouter:shell.
To get started:
"tools": [{ "type": "openrouter:shell", "parameters": { "engine": "openrouter" } }]
sandbox — An isolated environment where AI-generated code or agent actions run without being able to touch anything real.
Why it matters
Adding one parameter now gives any model on OpenRouter a sandboxAn isolated environment where AI-generated code or agent actions run without being able to touch anything real.Full definition → code-execution loop, removing the need to stand up and secure your own execution environment for tool-using agents.
