setNFTApprovalForAll

A write tool on the MCP Ethers Wallet MCP server.

SERVERMCP Ethers Wallet SOURCEcrazyrabbitltc/mcp-ethers-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What setNFTApprovalForAll does on MCP Ethers Wallet

AI agents use setNFTApprovalForAll to create or update resources in MCP Ethers Wallet, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Ethers Wallet environment.

RISK

Why setNFTApprovalForAll is rated Medium

This tool modifies wallet/contract approvals to allow transfers of all NFTs in a collection. While reversible (approvals can be revoked), it grants broad transfer authority and could enable unauthorized asset movement if an agent grants approval to malicious addresses. This is Write-category (state modification) rather than Execute (code execution) or Destructive (irreversible deletion).

From the tool's definition Tool name 'setNFTApprovalForAll' indicates granting approval for all NFTs; paired with other approval tools (approveERC20, approveNFT) on this Ethereum wallet server that modify blockchain state.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

setNFTApprovalForAll Rate-limited

setNFTApprovalForAll stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "setNFTApprovalForAll": {
      "limits": [
        {
          "counter": "setnftapprovalforall_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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 setNFTApprovalForAll call is checked against it from then on.

FAQ

Questions about setNFTApprovalForAll

What does the setNFTApprovalForAll tool do? +

setNFTApprovalForAll is a write tool on the MCP Ethers Wallet MCP server. It is categorised as a Write tool in the MCP Ethers Wallet MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on setNFTApprovalForAll? +

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

setNFTApprovalForAll is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit setNFTApprovalForAll? +

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

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

setNFTApprovalForAll 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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