AI agents use PostV1InstancesTransfers to commit financial operations through BlindPay MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
Creating a transfer on a stablecoin/blockchain payment infrastructure directly moves funds or commits financial obligations. This is a financial operation with critical blast radius if misused by an AI agent, as it could result in irreversible monetary transfers across blockchains.
From the tool's definition 'Create Transfer' on a server that processes 'payouts and payins across multiple blockchains' and manages 'stablecoin payment infrastructure'
Documented attack patterns abuse exactly the kind of access PostV1InstancesTransfers gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BlindPay MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for PostV1InstancesTransfers:
{
"version": "1",
"default": "deny",
"tools": {
"PostV1InstancesTransfers": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to PostV1InstancesTransfers is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Create Transfer. It is categorised as a Financial tool in the BlindPay MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the BlindPay MCP Server MCP server in PolicyLayer and add a rule for PostV1InstancesTransfers: 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 BlindPay MCP Server. Nothing to install.
PostV1InstancesTransfers 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 PostV1InstancesTransfers 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 PostV1InstancesTransfers. 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.
PostV1InstancesTransfers is provided by the BlindPay MCP Server MCP server (blindpaylabs/blindpay-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from BlindPay MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
81 BlindPay MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.