// SCAN REPORT

Virtualbox MCP Server

46 tools. 27 can modify or destroy data without limits.

4 destructive tools with no built-in limits. Policy required.

Last updated: 30 Jun 2026

27 can modify or destroy data

19 read-only

46 tools total

Community server · catalogue entry verified 30/06/2026

How to control Virtualbox MCP Server ↓

TOOL MAP

What Virtualbox MCP Server exposes to your agents

Read (19) Write / Execute (23) Destructive / Financial (4)

Running more than one server? Check your whole stack →

MOST DANGEROUS TOOLS

Critical Risk

The most dangerous Virtualbox MCP Server tools

Destructive · Critical destroy_vm This tool permanently removes a VM and cannot be undone. Destructive · High cleanup_zombies Cleaning up zombie VMs involves destroying virtual machine instances, which is an irreversible operation. Destructive · High snapshot_delete Deleting a VM snapshot is irreversible — once removed, the saved state of the VM at that point in time cannot be recovered. Destructive · High snapshot_restore Restoring a snapshot irreversibly overwrites the current VM state — all changes made since the snapshot was taken (files written, configurations changed, data created) are permanently lost.

27 of Virtualbox MCP Server's 46 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.

POLICY

How to control Virtualbox MCP Server

PolicyLayer is an MCP gateway — it sits between your AI agents and Virtualbox MCP Server, and nothing reaches the server without passing your rules. These are the rules we recommend:

Deny destructive operations

{
  "cleanup_zombies": {
    "deny_if": [
      {
        "conditions": [],
        "on_deny": "Blocked by default. Requires approval."
      }
    ]
  }
}

Destructive tools should never be available to autonomous agents without human approval.

Rate limit write operations

{
  "configure_sync": {
    "limits": [
      {
        "counter": "configure_sync_per_hour",
        "window": "hour",
        "max": 30,
        "scope": "grant"
      }
    ]
  }
}

Prevents bulk unintended modifications from agents caught in loops.

Cap read operations

{
  "audit_security": {
    "limits": [
      {
        "counter": "audit_security_per_minute",
        "window": "minute",
        "max": 60,
        "scope": "grant"
      }
    ]
  }
}

Controls API costs and prevents retry loops from exhausting upstream rate limits.

Create a free account and register Virtualbox MCP Server — nothing to install.
Add these rules — paste them, or build them visually. Tune the limits to your setup.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

ENFORCE POLICY ON VIRTUALBOX →

Instant setup, no code required.

FULL CATALOGUE

All 46 Virtualbox MCP Server tools

DESTRUCTIVE 4 tools

Destructive cleanup_zombies Safely cleans up identified Zombie VMs. REQUIRES explicit list of VM names to avoid accidents. Destructive destroy_vm Destroy a Vagrant VM (force) Destructive snapshot_delete Deletes a specific snapshot from a VM. Destructive snapshot_restore Reverts the VM to a specific named snapshot. Enables rapid recovery without destroying and rebuilding the VM.

EXECUTE 15 tools

Execute atomic_transaction_exec Executes a command with auto-snapshot safety. Reverts on failure if rollback_on_fail is true. Execute cancel_operation Cancels a running operation. Execute configure_shell Configure shell environment in the VM Execute create_dev_vm Create and configure a development VM with Vagrant (advanced) Execute create_vm Create a new Vagrant VM Execute ensure_dev_vm Ensure development VM is running, create if it doesn Execute exec_command Execute a shell command inside a VM Execute exec_with_sync Execute a command in the VM with file synchronization before and after Execute install_dev_tools Install specific development tools in the VM Execute kill_process Sends a signal (SIGTERM/SIGKILL) to a specific process in the VM. Required to stop runaway tasks or stuck serv Execute run_background_task Run a command in the VM as a background task Execute set_display_mode Controls Headless vs GUI state of a VM. Execute setup_dev_environment Install language runtimes, tools, and dependencies in the VM Execute start_download Starts a tracked file download operation. Returns an operation_id that MUST be used with Execute wait_for_operation Blocks execution until an operation completes OR times out. CRITICAL: Use this after starting any long-running

WRITE 8 tools

Write configure_sync Configure file synchronization and watchers Write inject_secrets Securely injects environment variables into the VM Write resize_vm_resources Modifies VM CPU/RAM/GUI settings. Triggers a reboot if the VM is running. Write resolve_conflict Resolve a file sync conflict Write snapshot_save Creates a lightweight Vagrant snapshot. Use before risky operations to enable rollback if something breaks. Write sync_from_vm Sync files from VM to host Write sync_to_vm Sync files from host to VM Write upload_file Upload a file from host to VM

READ 19 tools

Read audit_security Scans the VM for common security issues (open ports, weak ssh config). Read check_vm_port Verifies if a port is listening in the VM and optionally accessible from the host. Differentiates Read forensic_blackbox_capture Aggregates a diagnostic bundle (logs, processes, system state) for failure analysis. Read get_operation_progress Gets real-time progress of a specific operation (bytes downloaded, percentage, ETA). Read get_task_output Retrieves the stdout and stderr buffers of a specific background task started via run_background_task. Essenti Read get_vm_dashboard Returns a comprehensive dashboard with VM status, resource usage (CPU/RAM/Disk), active background tasks, and Read get_vm_status Get the status of a specific Vagrant VM Read grep_log_stream Searches within a log file for a specific pattern. Locates events within active log streams. Read list_active_operations Lists all currently running operations. Read list_processes Returns a structured list of running processes in the VM (like ps aux). Use to verify service health and resou Read list_vms List all managed VMs and their statuses Read package_box Exports the VM to a portable .box file using Read scan_system_health Checks system health (disk space, memory) and identifies potential Read search_files Search for files inside the VM (using grep) Read sentinel_await Wait until a specific condition is met in the VM (port, file, log, or service). Read sequentialthinking A detailed tool for dynamic and reflective problem-solving. MUST be used between steps to analyze state. Featu Read snapshot_list Lists all available snapshots for a VM. Read sync_status Get the current alignment status of the sync engine Read tail_vm_log Reads the last N lines of a specific file inside the VM (e.g., /var/log/syslog, /var/log/nginx/error.log). Ess

EXPLORE

Related servers

Other MCP servers with similar tools — same risk classification, starter policies for each.

FAQ

Questions about Virtualbox MCP Server

Can an AI agent delete data through the Virtualbox MCP Server MCP server? +

Yes. The Virtualbox MCP Server server exposes 4 destructive tools including cleanup_zombies, destroy_vm, snapshot_delete. These permanently remove resources with no undo. PolicyLayer blocks destructive tools by default so they never reach the upstream server.

How do I prevent bulk modifications through Virtualbox MCP Server? +

The Virtualbox MCP Server server has 8 write tools including configure_sync, inject_secrets, resize_vm_resources. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Virtualbox MCP Server.

How many tools does the Virtualbox MCP Server MCP server expose? +

46 tools across 4 categories: Destructive, Execute, Read, Write. 19 are read-only. 27 can modify, create, or delete data.

How do I enforce a policy on Virtualbox MCP Server? +

Register the Virtualbox MCP Server MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.

Enforce policy on every Virtualbox MCP Server tool call.

Deterministic rules across all 46 Virtualbox MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

ENFORCE POLICY ON VIRTUALBOX →

Instant setup, no code required.

46 Virtualbox MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.