MCP Crypto Wallet EVM

Instructions

Implementation Reference

• src/handlers/wallet.ts:538-555 (handler)

  The handler function that executes the tool logic by retrieving the transaction receipt using the provider.

  export const getTransactionReceiptHandler = async (input: any): Promise<ToolResultSchema> => {
    try {
      if (!input.transactionHash) {
        return createErrorResponse("Transaction hash is required");
      }
  
      const provider = getProvider();
      const receipt = await provider.getTransactionReceipt(input.transactionHash);
  
      return createSuccessResponse(
      `Transaction receipt retrieved successfully
        Transaction hash: ${input.transactionHash}
        Transaction receipt: ${receipt}
      `);
    } catch (error) {
      return createErrorResponse(`Failed to get transaction receipt: ${(error as Error).message}`);
    }
  };

• src/tools.ts:414-424 (schema)

  The input schema definition for the provider_get_transaction_receipt tool.

  {
    name: "provider_get_transaction_receipt",
    description: "Get a transaction receipt",
    inputSchema: {
      type: "object",
      properties: {
        transactionHash: { type: "string", description: "The transaction hash" }
      },
      required: ["transactionHash"]
    }
  },

• src/tools.ts:592-592 (registration)

  The registration of the handler in the tools handlers dictionary.

  "provider_get_transaction_receipt": getTransactionReceiptHandler,