check_nft_ownership

Verify ownership of a specific NFT by querying the blockchain. Input the NFT's contract address, token ID, and owner's wallet address to confirm possession. Works across all EVM-compatible networks.

Instructions

Check if an address owns a specific NFT

Input Schema

Name	Required	Description
`network`	No	Network name (e.g., 'ethereum', 'optimism', 'arbitrum', 'base', etc.) or chain ID. Supports all EVM-compatible networks. Defaults to Ethereum mainnet.
`ownerAddress`	Yes	The wallet address or ENS name to check ownership against (e.g., '0x1234...' or 'vitalik.eth')
`tokenAddress`	Yes	The contract address or ENS name of the NFT collection (e.g., '0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D' for BAYC or 'boredapeyachtclub.eth')
`tokenId`	Yes	The ID of the NFT to check (e.g., '1234')

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "network": {
      "description": "Network name (e.g., 'ethereum', 'optimism', 'arbitrum', 'base', etc.) or chain ID. Supports all EVM-compatible networks. Defaults to Ethereum mainnet.",
      "type": "string"
    },
    "ownerAddress": {
      "description": "The wallet address or ENS name to check ownership against (e.g., '0x1234...' or 'vitalik.eth')",
      "type": "string"
    },
    "tokenAddress": {
      "description": "The contract address or ENS name of the NFT collection (e.g., '0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D' for BAYC or 'boredapeyachtclub.eth')",
      "type": "string"
    },
    "tokenId": {
      "description": "The ID of the NFT to check (e.g., '1234')",
      "type": "string"
    }
  },
  "required": [
    "tokenAddress",
    "tokenId",
    "ownerAddress"
  ],
  "type": "object"
}

EVM MCP Server

check_nft_ownership

Instructions

Input Schema

Input Schema (JSON Schema)

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