Which wallet infrastructure tools exist for onchain agents?

Crypto execution layer and cross-chain wallet that lets agents and users trade, bridge, and manage assets via natural language, plus a skills marketplace and an x402 cloud for spinning up pay-per-call agent endpoints.

Non-custodial toolkit from Trust Wallet (MCP server, CLI, and SDK) that lets AI agents read and transact across 25+ chains within user-defined rules.

Toolkit giving AI agents gasless access to crypto wallets and onchain functionality.

Embedded and server wallet infrastructure used to give agents secure key management.

Secure key management infrastructure with policy controls, commonly used for agent wallets.

Gasless stablecoin payment relay and managed Agent Wallets across 12 EVM chains (EIP-712 + EIP-7702), with an MCP server and optional ERC-8004 registration on BNB Chain.

MetaMask's official smart-account delegation contracts — grant an AI agent scoped, revocable permissions instead of a private key.

Seedless MPC wallet whose vaults are programmable by agents through a TypeScript SDK, a CLI and an MCP server, across 36+ chains.

Open, local-first standard + CLI/SDK for agent wallets: encrypted keystore, policy checks before signing, scoped tokens instead of keys.

Gives any AI agent a crypto wallet to pay x402 APIs, receive USDC, and check balances.

Circle's official agent toolkit: Circle CLI, policy-controlled Agent Wallets, gasless USDC Nanopayments, an x402 facilitator and an agent marketplace.

Stablecoin-to-real-world spending for agents: prepaid and gift cards, Venmo/PayPal/ACH payouts. Callable via x402 (USDC on Base/Solana) or MCP.

Ledger's toolkit for AI agents: headless Ledger Wallet CLI + agent skills. Agents propose, a Ledger device must approve every signature.

DeFi toolkit that gives AI agents and coding assistants wallets to deposit funds, execute trades, and manage crypto.

Solana program binding a verifiable on-chain identity PDA to an agent, so agents can hold assets without exposing a private key.

Self-custodial MetaMask wallet for AI agents with built-in transaction simulation, threat scanning, and spending controls across EVM chains.

CLI and MCP client for querying Safe{Wallet} multisig transactions and owner/threshold details.

Wallet-as-a-Service infrastructure for AI agents.

MCP wrapper around Circle's Agent Stack — create USDC wallets, set spend policies, send stablecoin, and pay x402-gated endpoints.

Open, non-custodial TON wallet standard for AI agents: user funds a per-agent wallet, sets a budget, can swap the operator key or revoke.

Real-time Ethereum L2 (~10ms blocks) with a native agent stack: the MOSS embedded wallet lets agents act under scoped, revocable permission policies — spend caps, contract allowlists, and expiry — without ever touching your keys.

Zero-custody Solana staking MCP server with 26 tools for staking, unstaking, validator lookup, and APY data.

Non-custodial wallet MCP for AI agents to invoice, get paid, and spend on other agents/APIs, with human-set limits.

Non-custodial MPC wallet for AI agents with cryptographically enforced human rules, plus a WaaS Skill for building wallet apps via natural language.

MPC embedded-wallet platform (SOC 2 Type II) with an MCP server for AI agents to create and sign wallets across chains.

ERC-4337 smart-account SDK (Kernel) with session keys, gas sponsorship, and batched transactions for agent wallets.

MetaMask's own MCP server for generating x402 payment headers signed by a supplied private key.

CoinDCX's embedded-wallet SDK: MPC key management, social login and chain-abstracted transactions across EVM and non-EVM chains.

Coinbase Developer Platform wallet infrastructure built for AI agents, with spend caps, gasless Base settlement, and native x402.

Non-custodial HD wallet MCP server for AI agents with cross-chain swaps via the Wagyu aggregator.

Alchemy's payment proxy for AI agents — every API request is authenticated, metered, and settled automatically, so agents pay per call without keys or subscriptions.

Portable SKILL.md for Para's MPC embedded-wallet SDK, letting coding agents wire up seedless wallet auth/signing for Solana, EVM, and Cosmos.

Smart-contract wallet SDK (50+ chains incl. Solana) with modular TEE/passkey signers and onchain permissions for delegated agent signing.