MCP Crypto Wallet EVM

MIT License

Overview InspectNew Schema Related Servers Reviews Score

wallet_sign_transaction

Sign Ethereum or EVM-compatible blockchain transactions securely using a wallet's private key. Input transaction details to generate a signed transaction without broadcasting it to the network.

Instructions

Sign a transaction without sending it

Input Schema

Name	Required	Description	Default
`transaction`	Yes	The transaction to sign
`wallet`	No	The wallet (private key, mnemonic, or JSON). If not provided, uses PRIVATE_KEY environment variable if set.

Input Schema (JSON Schema)

{
  "properties": {
    "transaction": {
      "description": "The transaction to sign",
      "properties": {
        "data": {
          "type": "string"
        },
        "from": {
          "type": "string"
        },
        "gasLimit": {
          "type": "string"
        },
        "gasPrice": {
          "type": "string"
        },
        "maxFeePerGas": {
          "type": "string"
        },
        "maxPriorityFeePerGas": {
          "type": "string"
        },
        "nonce": {
          "type": "number"
        },
        "to": {
          "type": "string"
        },
        "type": {
          "type": "number"
        },
        "value": {
          "type": "string"
        }
      },
      "required": [
        "to"
      ],
      "type": "object"
    },
    "wallet": {
      "description": "The wallet (private key, mnemonic, or JSON). If not provided, uses PRIVATE_KEY environment variable if set.",
      "type": "string"
    }
  },
  "required": [
    "transaction"
  ],
  "type": "object"
}

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Related Tools

wallet_from_private_key
@dcSpark/mcp-cryptowallet-evm
wallet_send_transaction
@dcSpark/mcp-cryptowallet-evm
wallet_sign_message
@dcSpark/mcp-cryptowallet-evm
wallet_sign_typed_data
@dcSpark/mcp-cryptowallet-evm
account_sign_data
@nearai/near-mcp
transfer_eth
@mcpdotdirect/evm-mcp-server

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