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clawdbot/docs/cli/sandbox.md
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Sandbox CLI Manage sandbox containers and inspect effective sandbox policy You are managing sandbox containers or debugging sandbox/tool-policy behavior. active

Sandbox CLI

Manage Docker-based sandbox containers for isolated agent execution.

Overview

Moltbot can run agents in isolated Docker containers for security. The sandbox commands help you manage these containers, especially after updates or configuration changes.

Commands

moltbot sandbox explain

Inspect the effective sandbox mode/scope/workspace access, sandbox tool policy, and elevated gates (with fix-it config key paths).

moltbot sandbox explain
moltbot sandbox explain --session agent:main:main
moltbot sandbox explain --agent work
moltbot sandbox explain --json

moltbot sandbox list

List all sandbox containers with their status and configuration.

moltbot sandbox list
moltbot sandbox list --browser  # List only browser containers
moltbot sandbox list --json     # JSON output

Output includes:

  • Container name and status (running/stopped)
  • Docker image and whether it matches config
  • Age (time since creation)
  • Idle time (time since last use)
  • Associated session/agent

moltbot sandbox recreate

Remove sandbox containers to force recreation with updated images/config.

moltbot sandbox recreate --all                # Recreate all containers
moltbot sandbox recreate --session main       # Specific session
moltbot sandbox recreate --agent mybot        # Specific agent
moltbot sandbox recreate --browser            # Only browser containers
moltbot sandbox recreate --all --force        # Skip confirmation

Options:

  • --all: Recreate all sandbox containers
  • --session <key>: Recreate container for specific session
  • --agent <id>: Recreate containers for specific agent
  • --browser: Only recreate browser containers
  • --force: Skip confirmation prompt

Important: Containers are automatically recreated when the agent is next used.

Use Cases

After updating Docker images

# Pull new image
docker pull moltbot-sandbox:latest
docker tag moltbot-sandbox:latest moltbot-sandbox:bookworm-slim

# Update config to use new image
# Edit config: agents.defaults.sandbox.docker.image (or agents.list[].sandbox.docker.image)

# Recreate containers
moltbot sandbox recreate --all

After changing sandbox configuration

# Edit config: agents.defaults.sandbox.* (or agents.list[].sandbox.*)

# Recreate to apply new config
moltbot sandbox recreate --all

After changing setupCommand

moltbot sandbox recreate --all
# or just one agent:
moltbot sandbox recreate --agent family

For a specific agent only

# Update only one agent's containers
moltbot sandbox recreate --agent alfred

Why is this needed?

Problem: When you update sandbox Docker images or configuration:

  • Existing containers continue running with old settings
  • Containers are only pruned after 24h of inactivity
  • Regularly-used agents keep old containers running indefinitely

Solution: Use moltbot sandbox recreate to force removal of old containers. They'll be recreated automatically with current settings when next needed.

Tip: prefer moltbot sandbox recreate over manual docker rm. It uses the Gateways container naming and avoids mismatches when scope/session keys change.

Configuration

Sandbox settings live in ~/.clawdbot/moltbot.json under agents.defaults.sandbox (per-agent overrides go in agents.list[].sandbox):

{
  "agents": {
    "defaults": {
      "sandbox": {
        "mode": "all",                    // off, non-main, all
        "scope": "agent",                 // session, agent, shared
        "docker": {
          "image": "moltbot-sandbox:bookworm-slim",
          "containerPrefix": "moltbot-sbx-"
          // ... more Docker options
        },
        "prune": {
          "idleHours": 24,               // Auto-prune after 24h idle
          "maxAgeDays": 7                // Auto-prune after 7 days
        }
      }
    }
  }
}

See Also