agentwallet-mastra

AgentWallet SDK tools for Mastra. Gives your Mastra agent on-chain wallet capabilities with budget enforcement and x402 payments.

Install

npm install agentwallet-mastra agentwallet-sdk @mastra/core zod

Usage

import { Agent } from '@mastra/core/agent';
import { agentwalletTools } from 'agentwallet-mastra';
import { createWallet } from 'agentwallet-sdk';
import { createWalletClient, http } from 'viem';
import { privateKeyToAccount } from 'viem/accounts';
import { base } from 'viem/chains';

const wallet = createWallet({
  accountAddress: process.env.AGENT_ACCOUNT_ADDRESS,
  chain: 'base',
  walletClient: createWalletClient({
    account: privateKeyToAccount(process.env.AGENT_PRIVATE_KEY),
    chain: base,
    transport: http(),
  }),
});

const agent = new Agent({
  name: 'PaymentAgent',
  instructions: 'You can check your wallet balance, transfer USDC, and pay for x402 APIs.',
  model: openai('gpt-4o'),
  tools: Object.fromEntries(agentwalletTools.map(t => [t.id, t])),
  context: { agentWallet: wallet },
});

Tools

| Tool | Description | |------|-------------| | walletBalanceTool | Check remaining spend budget | | walletTransferTool | Transfer USDC within budget limits | | walletX402FetchTool | HTTP fetch with automatic x402 payment |

License

MIT