drift_modify_position

THE RISK

Critical Risk

Why drift_modify_position needs a policy

This tool modifies perpetual trading positions (derivatives) on Drift V2, a DeFi perp exchange. Changing position size or limit price directly affects open financial obligations and can result in significant financial gains or losses. It falls squarely in the Financial category as it manages active leveraged trading positions with real monetary value.

From the tool's definition Modify an existing perpetual position on Drift V2 by changing size or limit price

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

POLICY

How to control drift_modify_position

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_modify_position:

policy.json

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

Any call to drift_modify_position 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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FAQ

Questions about drift_modify_position

What does the drift_modify_position tool do? +

Modify an existing perpetual position on Drift V2 by changing size or limit price. 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_modify_position? +

Register the Waiaas MCP server in PolicyLayer and add a rule for drift_modify_position: 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_modify_position? +

drift_modify_position 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_modify_position? +

Yes. Add a rate_limit block to the drift_modify_position 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_modify_position completely? +

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

drift_modify_position 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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