xrpl mcp

import { Client, Wallet } from "xrpl"; import * as xrpl from "xrpl"; import { z } from "zod"; import { server } from "../server/server.js"; import { getXrplClient } from "../core/services/clients.js"; import { MAINNET_URL, TESTNET_URL } from "../core/constants.js"; import { connectedWallet, isConnectedToTestnet } from "../core/state.js"; // Register XRPL transfer tool server.tool( "transfer-xrp", "Transfer XRP between accounts using the connected wallet or a specified seed", { fromSeed: z .string() .optional() .describe( "Optional seed of the wallet to send XRP from. If not provided, the connected wallet will be used." ), toAddress: z .string() .describe( "XRP Ledger account address to send XRP to (starts with r)" ), amount: z.string().describe("Amount of XRP to send"), useTestnet: z .boolean() .optional() .describe( "Whether to use the testnet (true) or mainnet (false). If not provided, uses the network from the connected wallet." ), }, async ({ fromSeed, toAddress, amount, useTestnet }) => { let client: Client | null = null; try { // Determine which network to use const useTestnetNetwork = useTestnet !== undefined ? useTestnet : isConnectedToTestnet; client = await getXrplClient(useTestnetNetwork); // Use provided seed or connected wallet let wallet: Wallet; if (fromSeed) { wallet = Wallet.fromSeed(fromSeed); } else if (connectedWallet) { wallet = connectedWallet; } else { throw new Error( "No wallet connected. Please connect first using connect-to-xrpl tool or provide a fromSeed." ); } const payment = { TransactionType: "Payment", Account: wallet.address, Amount: xrpl.xrpToDrops(amount), Destination: toAddress, }; const prepared = await client.autofill(payment as any); const signed = wallet.sign(prepared); const result = await client.submitAndWait(signed.tx_blob); let status = "unknown"; if (typeof result.result.meta !== "string" && result.result.meta) { status = result.result.meta.TransactionResult === "tesSUCCESS" ? "success" : "failed"; } return { content: [ { type: "text", text: JSON.stringify( { status, hash: result.result.hash, fromAddress: wallet.address, toAddress, amount, network: useTestnetNetwork ? TESTNET_URL : MAINNET_URL, networkType: useTestnetNetwork ? "testnet" : "mainnet", result: result.result, }, null, 2 ), }, ], }; } catch (error) { return { content: [ { type: "text", text: `Error transferring XRP: ${ error instanceof Error ? error.message : String(error) }`, }, ], }; } finally { if (client) { await client.disconnect(); } } } );