drift_withdraw_margin

THE RISK

Critical Risk

Why drift_withdraw_margin needs a policy

This tool directly moves financial assets (collateral) from a DeFi margin account to a wallet. While the collateral being withdrawn is user-owned and the action is reversible via re-deposit, it constitutes a financial operation that commits or transfers economic value.

From the tool's definition Tool enables withdrawal of collateral from a margin account ('Withdraw excess collateral from Drift V2 margin account'), which involves movement of funds and financial value.

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

POLICY

How to control drift_withdraw_margin

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "drift_withdraw_margin": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

Any call to drift_withdraw_margin is blocked until a human approves it. The rest of the server keeps working.

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

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EXPLORE

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Critical-risk tools in Waiaas → 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.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about drift_withdraw_margin

What does the drift_withdraw_margin tool do? +

Withdraw excess collateral from Drift V2 margin account to wallet. It is categorised as a Financial tool in the Waiaas MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on drift_withdraw_margin? +

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

What risk level is drift_withdraw_margin? +

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

Can I rate-limit drift_withdraw_margin? +

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

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

drift_withdraw_margin is provided by the Waiaas MCP server (minhoyoo-iotrust/waiaas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Waiaas tool call.

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

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