1scan

What it does

1scan connects AI models to multiple blockchain explorer APIs, allowing assistants to query real-time on-chain data across various networks including Ethereum, BSC, Polygon, and more.

Tools

• getAccountBalance: Get the balance of an account on a specific blockchain.
• getTokenBalance: Get the token balance of an account on a specific blockchain.
• getTransactionByHash: Get transaction details by hash.
• getBlockByNumber: Get block information by block number.
• getContractABI: Get the ABI for a verified contract.
• getContractSourceCode: Get the source code of a verified contract.
• getTokenInfo: Get information about an ERC20 token.
• getGasPrice: Get current gas price on a specific blockchain.
• getLogs: Get event logs matching specified parameters.
• getTransaction: Get details of a transaction by its hash.
• getTransactionCount: Get the number of transactions sent from an address.
• getTransactionReceipt: Get transaction receipt by transaction hash.
• getBlockTransactionCountByNumber: Get the number of transactions in a block.
• getBlockTransactionCountByHash: Get the number of transactions in a block by block hash.
• getBlockByHash: Get information about a block by its hash.
• getNormalTransactions: Get normal transactions by address.
• getInternalTransactions: Get internal transactions by address or transaction hash.
• getERC20Transfers: Get ERC-20 token transfer events by address or contract.
• getERC721Transfers: Get ERC-721 NFT transfer events by address or contract.
• getValidators: Get validator information.
• getContractCreation: Get contract creation information.
• getContractVerificationStatus: Check contract verification status.

Installation

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "1scan": {
      "command": "1scanmcp",
      "args": ["-config", "/path/to/config.json"]
    }
  }
}

Supported hosts

• Cursor
• Claude Desktop