# agentwallet.md

> Every wallet, SDK, and payment rail an AI agent needs to hold, send, and earn money.

## Agent Wallet Infrastructure

- [Coinbase AgentKit](https://github.com/coinbase/agentkit): Open-source agent wallet framework. MPC keys, no private key exposure. LangChain/Vercel AI SDK. Also works as MCP server. Best for: getting started fast.
- [MetaMask Smart Accounts](https://metamask.io/developer/): ERC-4337 + ERC-7710 delegation. Agents get scoped, revocable permissions. CoinFello OpenClaw skill integration. Best for: user-delegated agent actions.
- [Circle Programmable Wallets](https://www.circle.com/en/programmable-wallets): MPC-based, USDC-native, gas sponsorship. Best for: stablecoin operations.
- [Skyfire](https://www.skyfire.xyz/): Purpose-built for agent micropayments. USDC settlement, agent-to-agent payments. Best for: agent payment infrastructure.
- [Crossmint](https://www.crossmint.com/): Agent wallets with identity and compliance. KYC-ready, fiat on-ramp. Best for: compliance-first agents.
- [Payman AI](https://www.paymanai.com/): Agent payment platform with spending controls and human-in-the-loop. Best for: task-based agent payments.
- [Privy Server Wallets](https://www.privy.io/): Headless server-side wallets for AI agents. No UI needed. Best for: headless agents.
- [Turnkey](https://www.turnkey.com/): TEE-based key infrastructure with policy engine. Best for: enterprise with strict rules.
- [Safe](https://safe.global/): Multi-sig smart accounts with modular plugins. Most TVL. Best for: high-value agent treasury.

## Agent Payment Rails

- [x402 Protocol](https://github.com/coinbase/x402): HTTP 402-based machine-to-machine payments. USDC, pay-per-request, no auth tokens.
- [Stripe Agent Toolkit](https://github.com/stripe/agent-toolkit): Official Stripe SDK for AI agents. Payment links, invoicing, subscriptions.
- [Visa Intelligent Commerce](https://usa.visa.com/): Tokenized agent payment credentials for real-world commerce.
- [Mastercard Agent Pay](https://www.mastercard.com/): Agent-initiated card payments with spending controls.
- [Gnosis Pay](https://gnosispay.com/): Self-custodial Visa debit linked to Safe smart account.
- [PayPal Agent Checkout](https://developer.paypal.com/): Agent-to-merchant checkout APIs.

## Standards

- ERC-4337: Account Abstraction (Final). The foundation.
- EIP-7702: EOA → Smart Account upgrade (Pectra). Batch tx, gas sponsorship for existing wallets.
- ERC-7710: Delegation framework. Scoped, revocable agent permissions.
- ERC-7715: Session key permissions. Time-limited autonomous agent operation.
- ERC-7579: Modular smart account interface. Composable plugins.
- ERC-6900: Modular account standard (Alchemy).
- MPC-TSS: Threshold signatures. No single point of failure.

## MCP Servers

- [Coinbase AgentKit MCP](https://github.com/coinbase/agentkit): Wallet ops via MCP.
- [GOAT](https://github.com/AINative-Labs/goat): 200+ DeFi tools via MCP.
- [Alchemy MCP](https://github.com/alchemyplatform/alchemy-mcp): Blockchain data via MCP.
- [Dune MCP](https://github.com/duneanalytics/mcp-server-dune): On-chain analytics via MCP.
- [Allora MCP](https://github.com/allora-network/allora-mcp): AI price inference via MCP.

## On-Chain Agent Identity

- [ENS](https://ens.domains/): Human-readable names for agent addresses.
- [EAS](https://attest.org/): On-chain attestations for agent reputation.
- [Coinbase Verifications](https://www.coinbase.com/onchain-verify): KYC-backed attestations on Base.
- [Spectral](https://www.spectral.finance/): Agent credit scoring.
- [World ID](https://worldcoin.org/): Proof-of-personhood for agent operators.

## Submit

Built agent wallet infrastructure? Submit via agentwallet.md/submit

## Key Stats (2026)

- 250K+ daily active on-chain agents
- 400% YoY agent growth
- AI.com sold for $70M
- agent.com listed at $20M+