@getalby/mcp/build/tools/nwc/get_balance.js

MCP server for controlling a Lightning wallet using Nostr Wallet Connect

import { z } from "zod";
export function registerGetBalanceTool(server, client) {
    server.registerTool("get_balance", {
        title: "Get Balance",
        description: "Get the balance of the connected lightning wallet",
        outputSchema: {
            amount_in_sats: z.number().describe("Current wallet balance in sats"),
        },
    }, async () => {
        const balance = await client.getBalance();
        // Convert millisats to sats
        const convertedBalance = {
            amount_in_sats: Math.floor(balance.balance / 1000), // Round down when converting millisats to sats as balance
        };
        return {
            structuredContent: convertedBalance,
            content: [
                {
                    type: "text",
                    text: JSON.stringify(convertedBalance, null, 2),
                },
            ],
        };
    });
}