Local, Docker, and Monty Backends

SuperCodeMode demo MCP server supports multiple execution backends.

Local Backend

scm showcase --runner mcp-stdio --executor-backend local

Best for speed and simple local demos.

Docker Backend

scm showcase --runner mcp-stdio --executor-backend docker

Best for safer code execution isolation.

Monty Backend

scm showcase --runner mcp-stdio --executor-backend monty

Best for a Python-native sandbox path without Docker.

Monty setup:

pip install "supercodemode[monty]"

If Monty is not installed, the demo server returns a clear executor error.

Docker Requirements

• Docker daemon is running
• your user can run docker run

Validate with:

docker info
docker run --rm python:3.12-alpine python -c "print(17+25)"

Select Docker Image

scm showcase --runner mcp-stdio --executor-backend docker --docker-image python:3.12-alpine

Use a custom image if your org has approved base images.