Low Risk

api_nfd_get_nfds_for_addresses

Get NFDs for specific addresses

How to control api_nfd_get_nfds_for_addresses ↓

What api_nfd_get_nfds_for_addresses does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call api_nfd_get_nfds_for_addresses to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why api_nfd_get_nfds_for_addresses needs a policy

This tool queries and retrieves NFD (Name for Domain or similar identifier) data associated with blockchain addresses. It performs a read-only lookup without modifying, deleting, or executing any operations. The blast radius of misuse is minimal — an agent could only retrieve publicly available naming/domain information. No financial, destructive, or code execution risk.

From the tool's definition Tool name contains 'get' and description states 'Get NFDs for specific addresses' — a pure retrieval operation with no side effects.

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

How to control api_nfd_get_nfds_for_addresses

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for api_nfd_get_nfds_for_addresses:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "api_nfd_get_nfds_for_addresses": {}
  }
}

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

  1. Create a free account and register Sperax Ecosystem Crypto & DeFI MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about api_nfd_get_nfds_for_addresses

What does the api_nfd_get_nfds_for_addresses tool do? +

Get NFDs for specific addresses. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on api_nfd_get_nfds_for_addresses? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for api_nfd_get_nfds_for_addresses: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is api_nfd_get_nfds_for_addresses? +

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

Can I rate-limit api_nfd_get_nfds_for_addresses? +

Yes. Add a rate_limit block to the api_nfd_get_nfds_for_addresses 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 api_nfd_get_nfds_for_addresses completely? +

Set action: deny in the PolicyLayer policy for api_nfd_get_nfds_for_addresses. 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 api_nfd_get_nfds_for_addresses? +

api_nfd_get_nfds_for_addresses is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

Start from Sperax Ecosystem Crypto & DeFI 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.

1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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