Critical Risk →

transfer_between_wallets

Move funds between two Rapyd ewallets (source_ewallet → destination_ewallet). Used for marketplace settlement (buyer wallet → seller wallet), creator payouts, internal rebalancing. Requires transfer acceptance on the destination side in some flows.

How to control transfer_between_wallets ↓

What transfer_between_wallets does on Mcp Afip

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

Critical Risk

Why transfer_between_wallets needs a policy

This tool directly moves monetary funds between wallets, which is a financial operation that commits real financial obligations and transfers value. Even though it requires acceptance in some flows, the core function is transferring funds, which places it in the Financial category.

From the tool's definition The tool description explicitly states "Move funds between two Rapyd ewallets" and mentions "marketplace settlement (buyer wallet → seller wallet), creator payouts, internal rebalancing." These are direct financial operations transferring money between…

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

How to control transfer_between_wallets

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

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

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

  1. Create a free account and register Mcp Afip — 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 transfer_between_wallets

What does the transfer_between_wallets tool do? +

Move funds between two Rapyd ewallets (source_ewallet → destination_ewallet). Used for marketplace settlement (buyer wallet → seller wallet), creator payouts, internal rebalancing. Requires transfer acceptance on the destination side in some flows. It is categorised as a Financial tool in the Mcp Afip MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on transfer_between_wallets? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for transfer_between_wallets: 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 Mcp Afip. Nothing to install.

What risk level is transfer_between_wallets? +

transfer_between_wallets 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_between_wallets? +

Yes. Add a rate_limit block to the transfer_between_wallets 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_between_wallets completely? +

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

transfer_between_wallets is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Afip tool call.

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