AI agents call GetV1InstancesTransfersById to retrieve information from BlindPay MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves transfer information by ID, which is a data query operation with no side effects. Despite the financial domain context of BlindPay's payment infrastructure, the tool itself only performs retrieval and does not move money, create obligations, or modify data. The 'Get' action pattern and 'Retrieve' verb confirm Read category classification with low severity.
From the tool's definition Tool name 'GetV1InstancesTransfersById' uses 'Get' prefix and description states 'Retrieve Transfer', indicating a read-only operation that queries existing transfer data without modifying state.
Documented attack patterns abuse exactly the kind of access GetV1InstancesTransfersById 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 GetV1InstancesTransfersById:
{
"version": "1",
"default": "deny",
"tools": {
"GetV1InstancesTransfersById": {}
}
}GetV1InstancesTransfersById is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Retrieve Transfer. It is categorised as a Read tool in the BlindPay MCP Server MCP Server, which means it retrieves data without modifying state.
Register the BlindPay MCP Server MCP server in PolicyLayer and add a rule for GetV1InstancesTransfersById: 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.
GetV1InstancesTransfersById is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the GetV1InstancesTransfersById 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 GetV1InstancesTransfersById. 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.
GetV1InstancesTransfersById 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.
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81 BlindPay MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.