Blockchain MCP Server

send-transaction

Execute transactions to smart contracts on EVM-compatible chains by specifying chain, contract address, ABI-encoded data, and private key securely.

Instructions

Send a transaction to a smart contract on any EVM-compatible chain (requires private key)

Input Schema

Name	Required	Description	Default
`chain`	Yes	Chain identifier. Available: ethereum, polygon, bsc, arbitrum, optimism, avalanche, fantom, sepolia
`data`	Yes	ABI-encoded function call data
`gasLimit`	No	Gas limit for the transaction
`gasPrice`	No	Gas price (in wei)
`privateKey`	Yes	Private key of the sender (will be handled securely)
`to`	Yes	Contract address to call
`value`	No	ETH value to send (in wei)	0

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "chain": {
      "description": "Chain identifier. Available: ethereum, polygon, bsc, arbitrum, optimism, avalanche, fantom, sepolia",
      "type": "string"
    },
    "data": {
      "description": "ABI-encoded function call data",
      "type": "string"
    },
    "gasLimit": {
      "description": "Gas limit for the transaction",
      "type": "string"
    },
    "gasPrice": {
      "description": "Gas price (in wei)",
      "type": "string"
    },
    "privateKey": {
      "description": "Private key of the sender (will be handled securely)",
      "type": "string"
    },
    "to": {
      "description": "Contract address to call",
      "type": "string"
    },
    "value": {
      "default": "0",
      "description": "ETH value to send (in wei)",
      "type": "string"
    }
  },
  "required": [
    "chain",
    "to",
    "data",
    "privateKey"
  ],
  "type": "object"
}

This server cannot be installed

Other Tools from Blockchain MCP Server

Related Tools

wallet_call
@dcSpark/mcp-cryptowallet-evm
contract-execute
@allthatjazzleo/mantrachain-mcp
wallet_send_transaction
@dcSpark/mcp-cryptowallet-evm
write_contract
@mcpdotdirect/evm-mcp-server
write-contract
@Xiawpohr/metamask-mcp
contractCall
@crazyrabbitLTC/mcp-ethers-server

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/lienhage/blockchain-mcp'

If you have feedback or need assistance with the MCP directory API, please join our Discord server