transfer-funds · Lineage MCP Server MCP: Risk & Policy

WHAT IT DOES

What transfer-funds does on Lineage MCP Server

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

WHY IT NEEDS A POLICY

Why transfer-funds needs a policy

A tool that transfers funds on a blockchain network commits financial obligations and moves assets irreversibly. This is the most severe category. Even with an empty description, the function name 'transfer-funds' in the context of a cryptocurrency/blockchain server leaves no doubt about its purpose.

From the tool's definition Tool name 'transfer-funds' on a blockchain API server indicates movement of cryptocurrency or blockchain assets.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

transfer-funds Approval-gated

Any call to transfer-funds 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": {
    "transfer-funds": {
      "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 Lineage MCP Server, so you can run agents against it safely.

FAQ

Questions about transfer-funds

What does the transfer-funds tool do? +

transfer-funds. It is categorised as a Financial tool in the Lineage MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on transfer-funds? +

Register the Lineage MCP Server MCP server in PolicyLayer and add a rule for transfer-funds: 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 Lineage MCP Server. Nothing to install.

What risk level is transfer-funds? +

transfer-funds 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 transfer-funds? +

Yes. Add a rate_limit block to the transfer-funds 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 transfer-funds completely? +

Set action: deny in the PolicyLayer policy for transfer-funds. 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 transfer-funds? +

transfer-funds is provided by the Lineage MCP Server MCP server (lineage-foundation/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.