maker_force_end_session

THE RISK

Critical Risk

Why maker_force_end_session needs a policy

This tool irreversibly terminates a session and explicitly acknowledges potential data loss (in-flight artifact saves may be lost). The mechanism bypasses normal graceful shutdown (skips 5s flush), making the effect impossible to undo. This qualifies as destructive because it can result in permanent loss of unsaved work.

From the tool's definition Hard kill a session. Skips the 5s flush; any in-flight artifact save may be lost.

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

POLICY

How to control maker_force_end_session

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

policy.json

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

maker_force_end_session 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 Crow — 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

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Go deeper

Critical-risk tools in Crow → 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 maker_force_end_session

What does the maker_force_end_session tool do? +

Hard kill a session. Skips the 5s flush; any in-flight artifact save may be lost. Requires a reason (logged). It is categorised as a Destructive tool in the Crow 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 maker_force_end_session? +

Register the Crow MCP server in PolicyLayer and add a rule for maker_force_end_session: 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 Crow. Nothing to install.

What risk level is maker_force_end_session? +

maker_force_end_session 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 maker_force_end_session? +

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

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

maker_force_end_session is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Crow tool call.

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

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