getNFTTokenURI

A read tool on the MCP Ethers Wallet MCP server.

SERVERMCP Ethers Wallet SOURCEcrazyrabbitltc/mcp-ethers-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/crazyrabbitltc-mcp-ethers-server/getnfttokenuri.md

WHAT IT DOES

What getNFTTokenURI does on MCP Ethers Wallet

AI agents call getNFTTokenURI to retrieve information from MCP Ethers Wallet without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why getNFTTokenURI is rated Low

This tool retrieves metadata (URI) associated with an NFT, which is a read-only operation on blockchain data with no state change, no code execution, and no financial impact. The description is empty, but the name and context from similar sibling tools (particularly 'erc1155_uri') strongly indicate a read operation. Severity is low because it only exposes publicly available blockchain metadata.

From the tool's definition Tool name 'getNFTTokenURI' indicates retrieval of a URI/metadata for an NFT token. Sibling tools like 'erc721_balanceOf', 'erc20_balanceOf', and 'erc1155_uri' are all read-only queries that retrieve blockchain data without modification or execution of…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs getNFTTokenURI safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Ethers Wallet, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getNFTTokenURI, this is the rule to start with:

getNFTTokenURI Allowed

getNFTTokenURI is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Ethers Wallet, apply this rule, and every getNFTTokenURI call is checked against it from then on.

FAQ

Questions about getNFTTokenURI

What does the getNFTTokenURI tool do? +

getNFTTokenURI is a read tool on the MCP Ethers Wallet MCP server. It is categorised as a Read tool in the MCP Ethers Wallet MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getNFTTokenURI? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for getNFTTokenURI: 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 MCP Ethers Wallet. Nothing to install.

What risk level is getNFTTokenURI? +

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

Can I rate-limit getNFTTokenURI? +

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

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

getNFTTokenURI is provided by the MCP Ethers Wallet MCP server (crazyrabbitltc/mcp-ethers-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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