MetaMask MCP

import type { Config } from "@wagmi/core"; import type { FastMCP } from "fastmcp"; import { getTransactionReceipt } from "@wagmi/core"; import { z } from "zod"; import { TransactionHash } from "../utils/evm-schema"; import { JSONStringify } from "../utils/json-stringify"; export function registerGetTransactionReceiptTools(server: FastMCP, wagmiConfig: Config): void { server.addTool({ name: "get-transaction-receipt", description: "Fetch the Transaction Receipt given a Transaction hash.", parameters: z.object({ hash: TransactionHash.describe("A transaction hash."), chainId: z.coerce.number().optional().describe("The ID of chain to return the transaction receipt from."), }), execute: async (args) => { const result = await getTransactionReceipt(wagmiConfig, args); return { content: [ { type: "text", text: JSONStringify(result), }, ], }; }, }); };