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.

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

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

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

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

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.

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

Wallet infrastructure with agentic backend wallets bound by signing policies, a Node SDK, a CLI, and MCP servers for its docs and CLI.

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.

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

Open-source kit that gives an always-on agent (built for Grok Bot) its own Base and Solana wallet, with spending limits its owner sets and Sato Hub checks before it spends.

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

Wallet, stablecoin and card infrastructure for developers, with agent payment products across many blockchains through one API.

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

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

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

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.

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

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

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

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.

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

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

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.

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

Framework for delegated agents: user-owned agent wallets on Lit key management, with Abilities and policies that bound what an app can sign.

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

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

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.