GetV1InstancesReceiversBlockchainWalletsById

THE RISK

Low Risk

Why GetV1InstancesReceiversBlockchainWalletsById needs a policy

This tool retrieves blockchain wallet information for a receiver without creating, modifying, or deleting any data. It is a straightforward read operation with no capability to alter state or cause irreversible changes. The low severity reflects that data retrieval poses minimal risk compared to write, execute, or destructive operations.

From the tool's definition Tool name 'GetV1InstancesReceiversBlockchainWalletsById' and description 'Retrieve Blockchain Wallet' both indicate a GET/Retrieve operation that queries data without modification or side effects.

Documented attack patterns abuse exactly the kind of access GetV1InstancesReceiversBlockchainWalletsById gives an agent:

POLICY

How to control GetV1InstancesReceiversBlockchainWalletsById

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 GetV1InstancesReceiversBlockchainWalletsById:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "GetV1InstancesReceiversBlockchainWalletsById": {}
  }
}

GetV1InstancesReceiversBlockchainWalletsById is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register BlindPay MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about GetV1InstancesReceiversBlockchainWalletsById

What does the GetV1InstancesReceiversBlockchainWalletsById tool do? +

Retrieve Blockchain Wallet. It is categorised as a Read tool in the BlindPay MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on GetV1InstancesReceiversBlockchainWalletsById? +

Register the BlindPay MCP Server MCP server in PolicyLayer and add a rule for GetV1InstancesReceiversBlockchainWalletsById: 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.

What risk level is GetV1InstancesReceiversBlockchainWalletsById? +

GetV1InstancesReceiversBlockchainWalletsById is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit GetV1InstancesReceiversBlockchainWalletsById? +

Yes. Add a rate_limit block to the GetV1InstancesReceiversBlockchainWalletsById 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.

How do I block GetV1InstancesReceiversBlockchainWalletsById completely? +

Set action: deny in the PolicyLayer policy for GetV1InstancesReceiversBlockchainWalletsById. 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.

What MCP server provides GetV1InstancesReceiversBlockchainWalletsById? +

GetV1InstancesReceiversBlockchainWalletsById 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.

Enforce policy on every BlindPay MCP Server tool call.

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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