Critical Risk →

accountFixedBorrow

Create a fixed-rate borrow order for Unified account.\n\nRules:\n- Supports fixed terms: 7, 14, 30, 90, 180 days\n- Order strategy:

How to control accountFixedBorrow ↓

What accountFixedBorrow does on Bybit MCP Server

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

Critical Risk

Why accountFixedBorrow needs a policy

This tool initiates a borrowing transaction on the Bybit exchange, committing the user to a financial obligation with fixed repayment terms. Borrowing money creates a binding financial liability, placing it firmly in the Financial category with critical severity given it can commit the user to significant debt obligations on a cryptocurrency exchange.

From the tool's definition Create a fixed-rate borrow order for Unified account... Supports fixed terms: 7, 14, 30, 90, 180 days

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

How to control accountFixedBorrow

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

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

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

  1. Create a free account and register Bybit MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about accountFixedBorrow

What does the accountFixedBorrow tool do? +

Create a fixed-rate borrow order for Unified account.\n\nRules:\n- Supports fixed terms: 7, 14, 30, 90, 180 days\n- Order strategy:. It is categorised as a Financial tool in the Bybit MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on accountFixedBorrow? +

Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for accountFixedBorrow: 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 Bybit MCP Server. Nothing to install.

What risk level is accountFixedBorrow? +

accountFixedBorrow 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 accountFixedBorrow? +

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

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

accountFixedBorrow is provided by the Bybit MCP Server MCP server (bybit-exchange/trading-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Bybit MCP Server tool call.

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

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326 Bybit MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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