An at-a-glance comparison of every wallet, payment rail, and MCP server in our directory. Sort by custody, chains, or category. All entries verified open-source or actively maintained.
| Name | Category | Chains | Custody / Type | Open Source | Best For |
|---|---|---|---|---|---|
| Coinbase AgentKit | wallet | baseethereumpolygonarbitrumsolana |
mpc | Yes | Getting started fast with agent wallets |
| MetaMask Smart Accounts | wallet | ethereumpolygonarbitrumoptimism |
smart-account | No | User-delegated agent actions with scoped permissions |
| Circle Programmable Wallets | wallet | ethereumpolygonsolanaavalanche |
mpc | No | Stablecoin (USDC) operations |
| Skyfire | wallet | ethereumbase |
custodial | No | Agent micropayments and agent-to-agent payments |
| Crossmint | wallet | ethereumpolygonsolanabase |
mpc | No | Compliance-first agents with KYC and fiat on-ramp |
| Payman AI | wallet | ethereum |
custodial | No | Task-based agent payments with human-in-the-loop |
| Privy Server Wallets | wallet | ethereumpolygonbasearbitrum |
mpc | No | Headless server-side agents, no UI needed |
| Turnkey | wallet | ethereumpolygonsolana |
tee | No | Enterprise with strict policy rules (TEE-based) |
| Safe | wallet | ethereumpolygonarbitrumoptimismgnosisbase |
multisig | Yes | High-value agent treasury with multi-sig |
| Cobo Agentic Wallet | wallet | ethereumbasearbitrumoptimismpolygonsolana |
mpc | No | Multi-chain agent ops with Pact guardrails (80+ chains) |
| Human.tech Agentic WaaP | wallet | ethereumbase |
2pc | No | Cryptographic human oversight with Telegram approval |
| x402 Protocol | payment-rail | — | crypto | Yes | HTTP 402 machine-to-machine payments, pay-per-request |
| Stripe Agent Toolkit | payment-rail | — | fiat | Yes | Payment links, invoicing, subscriptions via Stripe |
| Visa Intelligent Commerce | payment-rail | — | fiat | No | Tokenized agent credentials for real-world commerce |
| Mastercard Agent Pay | payment-rail | — | fiat | No | Agent-initiated card payments with spending controls |
| Gnosis Pay | payment-rail | — | hybrid | Yes | Self-custodial Visa debit linked to Safe smart account |
| PayPal Agent Checkout | payment-rail | — | fiat | No | Agent-to-merchant checkout via PayPal APIs |
| ERC-4337: Account Abstraction | standard | — | final | N/A | The foundation — smart account standard |
| EIP-7702: EOA Smart Upgrade | standard | — | pectra | N/A | Batch tx, gas sponsorship for existing wallets |
| ERC-7710: Delegation Framework | standard | — | draft | N/A | Scoped, revocable agent permissions |
| ERC-7715: Session Keys | standard | — | draft | N/A | Time-limited autonomous agent operation |
| ERC-7579: Modular Smart Accounts | standard | — | draft | N/A | Composable smart account plugins |
| ERC-6900: Modular Accounts (Alchemy) | standard | — | draft | N/A | Alchemy's modular account standard |
| MPC-TSS | standard | — | established | N/A | Threshold signatures, no single point of failure |
| Coinbase AgentKit MCP | mcp | — | — | Yes | Wallet operations via MCP protocol |
| GOAT | mcp | — | — | Yes | 200+ DeFi tools via MCP |
| Alchemy MCP | mcp | — | — | Yes | Blockchain data queries via MCP |
| Dune MCP | mcp | — | — | Yes | On-chain analytics via MCP |
| Allora MCP | mcp | — | — | Yes | AI price inference via MCP |
| ENS | identity | — | — | Yes | Human-readable names for agent addresses |
| EAS | identity | — | — | Yes | On-chain attestations for agent reputation |
| Coinbase Verifications | identity | — | — | No | KYC-backed attestations on Base |
| Spectral | identity | — | — | No | Agent credit scoring |
| World ID | identity | — | — | Yes | Proof-of-personhood for agent operators |
| Coinbase Agentic Wallet Skills | sdk</ |