AI agents call GetV1InstancesPartnerFees 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 partner fee information from the BlindPay payment infrastructure. While it performs no modifications or side effects (making it a Read operation), the medium severity reflects that partner fee data may be sensitive financial information. An AI agent with access to this tool could expose fee structures, pricing models, or financial arrangements.
From the tool's definition Tool name 'GetV1InstancesPartnerFees' with description 'Retrieve Partner Fees' indicates a data retrieval operation. The 'Get' prefix and 'Retrieve' verb confirm read-only semantics.
Documented attack patterns abuse exactly the kind of access GetV1InstancesPartnerFees 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 GetV1InstancesPartnerFees:
{
"version": "1",
"default": "deny",
"tools": {
"GetV1InstancesPartnerFees": {}
}
}GetV1InstancesPartnerFees is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Retrieve Partner Fees. 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 GetV1InstancesPartnerFees: 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.
GetV1InstancesPartnerFees 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 GetV1InstancesPartnerFees 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 GetV1InstancesPartnerFees. 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.
GetV1InstancesPartnerFees 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.