write_contract

Interact with smart contracts on BNB Chain by calling state-changing functions. Specify contract address, ABI, function name, arguments, and network to execute write operations securely.

Instructions

Write data to a smart contract by calling a state-changing function

Input Schema

Name	Required	Description	Default
`abi`	Yes	The ABI of the smart contract function, as a JSON array
`args`	Yes	The arguments to pass to the function
`contractAddress`	Yes	The address of the smart contract to interact with
`functionName`	Yes	The name of the function to call on the contract
`network`	No	Network name (e.g. 'bsc', 'opbnb', 'ethereum', 'base', etc.) or chain ID. Supports others main popular networks. Defaults to BSC mainnet.	bsc
`privateKey`	No	Private key of the sending account. Used only for transaction signing.	0x5a2b7e4d9c8f1a3e6b0d2c5f4e3d2a1b0c9f8e7d6a5b4c3d2e1f0a9b8c7d6e5f4

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "abi": {
      "description": "The ABI of the smart contract function, as a JSON array",
      "type": "array"
    },
    "args": {
      "description": "The arguments to pass to the function",
      "type": "array"
    },
    "contractAddress": {
      "description": "The address of the smart contract to interact with",
      "type": "string"
    },
    "functionName": {
      "description": "The name of the function to call on the contract",
      "type": "string"
    },
    "network": {
      "default": "bsc",
      "description": "Network name (e.g. 'bsc', 'opbnb', 'ethereum', 'base', etc.) or chain ID. Supports others main popular networks. Defaults to BSC mainnet.",
      "type": "string"
    },
    "privateKey": {
      "default": "0x5a2b7e4d9c8f1a3e6b0d2c5f4e3d2a1b0c9f8e7d6a5b4c3d2e1f0a9b8c7d6e5f4",
      "description": "Private key of the sending account. Used only for transaction signing.",
      "type": "string"
    }
  },
  "required": [
    "contractAddress",
    "abi",
    "functionName",
    "args"
  ],
  "type": "object"
}

bnbchain-mcp

write_contract

Instructions

Input Schema

Input Schema (JSON Schema)

Other Tools from bnbchain-mcp

Related Tools

MCP directory API