AI agents call GetV1InstancesReceiversById 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 queries and returns information about a specific receiver by ID. It performs a read-only operation that retrieves existing data without creating, modifying, deleting, or executing any operations. While it operates on payment infrastructure, the tool itself has no financial impact — it only accesses stored receiver information.
From the tool's definition Tool name contains 'Get' and description states 'Retrieve Receiver' — both indicate a data retrieval operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access GetV1InstancesReceiversById 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 GetV1InstancesReceiversById:
{
"version": "1",
"default": "deny",
"tools": {
"GetV1InstancesReceiversById": {}
}
}GetV1InstancesReceiversById is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Retrieve Receiver. 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 GetV1InstancesReceiversById: 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.
GetV1InstancesReceiversById 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 GetV1InstancesReceiversById 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 GetV1InstancesReceiversById. 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.
GetV1InstancesReceiversById 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.