getNFTMetadata

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/getnftmetadata.md

WHAT IT DOES

What getNFTMetadata does on MCP Ethers Wallet

AI agents call getNFTMetadata 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 getNFTMetadata is rated Low

Metadata retrieval is a non-destructive query operation that has no side effects on blockchain state or wallet assets. The tool retrieves data from an NFT contract (metadata URI or attributes) without modifying any state. Even if an AI agent misuses this tool, it cannot cause financial loss, execute arbitrary code, or damage data. Low severity reflects the minimal blast radius.

From the tool's definition Tool name 'getNFTMetadata' indicates retrieval of NFT metadata. Sibling tools like 'erc721_balanceOf', 'erc1155_uri', and 'erc20_getTokenInfo' are all Read operations that query blockchain state without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs getNFTMetadata 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 getNFTMetadata, this is the rule to start with:

getNFTMetadata Allowed

getNFTMetadata 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": {
    "getNFTMetadata": {}
  }
}

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 getNFTMetadata call is checked against it from then on.

FAQ

Questions about getNFTMetadata

What does the getNFTMetadata tool do? +

getNFTMetadata 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 getNFTMetadata? +

Register the MCP Ethers Wallet MCP server in PolicyLayer and add a rule for getNFTMetadata: 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 getNFTMetadata? +

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

Can I rate-limit getNFTMetadata? +

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

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

getNFTMetadata 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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