@getalby/mcp/build/tools/lightning/request_invoice.js

MCP server for controlling a Lightning wallet using Nostr Wallet Connect

import { LightningAddress } from "@getalby/lightning-tools";
import { z } from "zod";
import { invoiceSchema } from "./schemas/invoice.js";
export function registerRequestInvoiceFromLightningAddressTool(server) {
    server.registerTool("request_invoice", {
        title: "Request Invoice",
        description: "Request an invoice from a lightning address",
        inputSchema: {
            lightning_address: z
                .string()
                .describe("the recipient's lightning address"),
            amount_in_sats: z.number().describe("amount in sats"),
            description: z
                .string()
                .describe("note, memo or description describing the invoice")
                .nullish(),
            payer_data: z
                .object({})
                .passthrough()
                .describe("metadata to include with the payment such as the payer's name")
                .nullish(),
        },
        outputSchema: invoiceSchema,
    }, async (params) => {
        const ln = new LightningAddress(params.lightning_address);
        // fetch the LNURL data
        await ln.fetch();
        const { satoshi, ...invoice } = await ln.requestInvoice({
            satoshi: params.amount_in_sats,
            comment: params.description || undefined,
            payerdata: params.payer_data || undefined,
        });
        // make output consistent with other tools
        const convertedResult = {
            ...invoice,
            amount_in_sats: satoshi,
        };
        return {
            content: [
                {
                    type: "text",
                    text: JSON.stringify(convertedResult, null, 2),
                },
            ],
            structuredContent: JSON.parse(JSON.stringify(convertedResult)),
        };
    });
}