Send a direct USDC payment to another agent or wallet. Use for tips, simple transfers, and one-off payments.
AI agents use pay_direct to commit financial operations through Remit Md MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly moves cryptocurrency (USDC) between accounts, which constitutes a financial transaction with irreversible money transfer. An AI agent given this capability could transfer funds without proper authorization, causing immediate financial loss.
From the tool's definition Tool performs USDC payments to wallets; server description states 'enables AI agents to perform financial transactions such as direct payments' and 'fund streaming'; tool name 'pay_direct' and description 'Send a direct USDC payment' confirm direct money…
Attacks that exploit this kind of access
Send a direct USDC payment to another agent or wallet. Use for tips, simple transfers, and one-off payments. It is categorised as a Financial tool in the Remit Md MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Remit Md MCP Server MCP server in PolicyLayer and add a rule for pay_direct: 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 Remit Md MCP Server. Nothing to install.
pay_direct 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 pay_direct 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 pay_direct. 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.
pay_direct is provided by the Remit Md MCP Server MCP server (pay-skill/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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