force_terminate

THE RISK

Critical Risk

Why force_terminate needs a policy

Forcibly terminating a running process/session is irreversible — any unsaved state, in-progress work, or data held by that session is lost. This cannot be undone, making it Destructive. The blast radius is high because an AI agent could terminate critical system processes, causing data loss or service disruption.

From the tool's definition Force terminate a running terminal session

Documented attack patterns abuse exactly the kind of access force_terminate gives an agent:

POLICY

How to control force_terminate

PolicyLayer is an MCP gateway — it sits between your AI agents and Desktop Commander MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for force_terminate:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "force_terminate"
  ]
}

force_terminate disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register Desktop Commander MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

Critical-risk tools in Desktop Commander MCP → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about force_terminate

What does the force_terminate tool do? +

Force terminate a running terminal session. It is categorised as a Destructive tool in the Desktop Commander MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on force_terminate? +

Register the Desktop Commander MCP server in PolicyLayer and add a rule for force_terminate: 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 Desktop Commander MCP. Nothing to install.

What risk level is force_terminate? +

force_terminate is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit force_terminate? +

Yes. Add a rate_limit block to the force_terminate 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 force_terminate completely? +

Set action: deny in the PolicyLayer policy for force_terminate. 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 force_terminate? +

force_terminate is provided by the Desktop Commander MCP server (mrgnss/claudedesktopcommander). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Desktop Commander MCP tool call.

Start from Desktop Commander MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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