repay_loan · Basis MCP Server MCP: Risk & Policy

WHAT IT DOES

What repay_loan does on Basis MCP Server

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

WHY IT NEEDS A POLICY

Why repay_loan needs a policy

Repaying a loan involves moving cryptocurrency/tokens on-chain to satisfy a financial obligation. This is a financial operation that directly affects funds and cannot be trivially reversed once the transaction is confirmed on the blockchain.

From the tool's definition 'repay_loan' and 'Repay a hub loan' — this tool commits a financial transaction on the BNB Smart Chain, transferring funds to settle a loan obligation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

repay_loan Approval-gated

Any call to repay_loan 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": {
    "repay_loan": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about repay_loan

What does the repay_loan tool do? +

Repay a hub loan. It is categorised as a Financial tool in the Basis MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on repay_loan? +

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

What risk level is repay_loan? +

repay_loan 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 repay_loan? +

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

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

repay_loan is provided by the Basis MCP Server MCP server (launch-on-basis/mcp-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.