create_recipient · Wise MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_recipient does on Wise MCP Server

AI agents use create_recipient to create or update resources in Wise MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Wise MCP Server environment.

WHY IT NEEDS A POLICY

Why create_recipient needs a policy

Creating a recipient is a Write operation that modifies financial account data reversibly (a recipient record can be updated or removed). While the server handles money transfers (Financial category), this specific tool only creates recipient records, not move money itself.

From the tool's definition Tool name 'create_recipient' combined with server description stating 'creating new recipients' and 'sending money transfers' indicates data modification capability. The server manages financial transactions via Wise API.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_recipient Rate-limited

create_recipient stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_recipient": {
      "limits": [
        {
          "counter": "create_recipient_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about create_recipient

What does the create_recipient tool do? +

create_recipient. It is categorised as a Write tool in the Wise MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_recipient? +

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

What risk level is create_recipient? +

create_recipient is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_recipient? +

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

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

create_recipient is provided by the Wise MCP Server MCP server (sergeiledvanov/mcp-wise). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.