MetaMask MCP

import type { Config } from "@wagmi/core"; import type { FastMCP } from "fastmcp"; import { getChainId } from "@wagmi/core"; import { z } from "zod"; export function registerGetChainIdTools(server: FastMCP, wagmiConfig: Config): void { server.addTool({ name: "get-chain-id", description: "Get the current chain id.", parameters: z.object({}), execute: async () => { const result = getChainId(wagmiConfig); return { content: [ { type: "text", text: result.toString(), }, ], }; }, }); };