placeOrder · Aster Finance MCP Server MCP: Risk & Policy

WHAT IT DOES

What placeOrder does on Aster Finance MCP Server

AI agents use placeOrder to commit financial operations through Aster Finance MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why placeOrder needs a policy

Placing a new futures order directly commits financial obligations and moves funds in cryptocurrency markets. Misuse could result in unintended trades, significant financial losses, or leveraged positions that are difficult to unwind.

From the tool's definition 'Send in a new order' on a server that 'Enables AI agents to interact with the Aster Finance Futures API for cryptocurrency trading' with 'order management'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

placeOrder Approval-gated

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

View as policy code

policy.json

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

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Aster Finance MCP Server, so you can run agents against it safely.

FAQ

Questions about placeOrder

What does the placeOrder tool do? +

Send in a new order. It is categorised as a Financial tool in the Aster Finance MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on placeOrder? +

Register the Aster Finance MCP Server MCP server in PolicyLayer and add a rule for placeOrder: 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 Aster Finance MCP Server. Nothing to install.

What risk level is placeOrder? +

placeOrder 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 placeOrder? +

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

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

placeOrder is provided by the Aster Finance MCP Server MCP server (questflowai/aster-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.