moolah_supply_collateral · Justlend MCP: Risk & Policy

WHAT IT DOES

What moolah_supply_collateral does on Justlend

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

WHY IT NEEDS A POLICY

Why moolah_supply_collateral needs a policy

This tool moves crypto assets (collateral) into a DeFi lending market on TRON/JustLend, which constitutes a financial commitment. Supplying collateral is a financial operation that locks assets in a smart contract to enable borrowing obligations. Misuse could result in loss of funds or unintended financial positions.

From the tool's definition Supply collateral into a Moolah market to enable borrowing

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

moolah_supply_collateral Approval-gated

Any call to moolah_supply_collateral 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": {
    "moolah_supply_collateral": {
      "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 Justlend, so you can run agents against it safely.

FAQ

Questions about moolah_supply_collateral

What does the moolah_supply_collateral tool do? +

Supply collateral into a Moolah market to enable borrowing. It is categorised as a Financial tool in the Justlend MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on moolah_supply_collateral? +

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

What risk level is moolah_supply_collateral? +

moolah_supply_collateral 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 moolah_supply_collateral? +

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

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

moolah_supply_collateral is provided by the Justlend MCP server (justlend/mcp-server-justlend). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.