list_processes

Returns a structured list of running processes in the VM (like ps aux). Use to verify service health and resource usage.

Server Virtualbox MCP Server usemanusai/virtualbox-mcp-server
Category Read
Risk class Low
Parameters 00 required

What list_processes does on Virtualbox MCP Server

AI agents call list_processes to retrieve information from Virtualbox MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why list_processes needs a policy

list_processes is a read-only diagnostic tool that queries process information from a VM. It retrieves data without creating, modifying, deleting, or executing code. While it provides visibility into running services, misuse by an AI agent would be limited to information disclosure rather than system compromise or data destruction. The blast radius is minimal since the tool only observes state.

From the tool's definition Tool returns a structured list of running processes (like ps aux), which is a query/inspection operation with no side effects. The description emphasizes retrieving and verifying information without modifying system state.

Questions about list_processes

What does the list_processes tool do? +

Returns a structured list of running processes in the VM (like ps aux). Use to verify service health and resource usage. It is categorised as a Read tool in the Virtualbox MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_processes? +

Register the Virtualbox MCP Server MCP server in PolicyLayer and add a rule for list_processes: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Virtualbox MCP Server. Nothing to install.

What risk level is list_processes? +

list_processes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_processes? +

Yes. Add a rate_limit block to the list_processes rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block list_processes completely? +

Set action: deny in the PolicyLayer policy for list_processes. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides list_processes? +

list_processes is provided by the Virtualbox MCP Server MCP server (usemanusai/virtualbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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