MCP Crypto Wallet EVM

MIT License

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wallet_populate_transaction

Populate incomplete Ethereum or EVM-compatible blockchain transactions by auto-filling missing fields such as gasLimit, nonce, or gasPrice, ensuring transactions are ready for signing and execution.

Instructions

Populate a transaction with missing fields

Input Schema

Name	Required	Description	Default
`transaction`	Yes	The transaction to populate
`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 populate",
      "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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