Send money to another Cash App user. Requires the recipient
AI agents use cashapp_send_money to commit financial operations through Mcp Cashapp — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool moves actual funds from one account to another, creating a direct financial obligation and loss of money. This is the most severe category (Financial > Destructive > Execute > Write > Read). Even with careful prompting, an AI agent could be manipulated into sending money to wrong recipients or in wrong amounts, causing real financial harm. Critical severity due to direct monetary impact and irreversibility.
From the tool's definition Tool name 'cashapp_send_money' and description 'Send money to another Cash App user' directly indicate irreversible movement of money. Server description confirms 'automate Cash App payments' via browser automation.
Attacks that exploit this kind of access
Send money to another Cash App user. Requires the recipient. It is categorised as a Financial tool in the Mcp Cashapp MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Mcp Cashapp MCP server in PolicyLayer and add a rule for cashapp_send_money: 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 Cashapp. Nothing to install.
cashapp_send_money is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the cashapp_send_money 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.
Set action: deny in the PolicyLayer policy for cashapp_send_money. 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.
cashapp_send_money is provided by the Mcp Cashapp MCP server (markswendsen-code/mcp-cashapp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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