Onchain agents on Ethereum

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.

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

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

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.

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

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

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.

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.

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

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

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

Wallet and DeFi data provider offering portfolio, positions, transactions, PnL, and prices across many chains, with an agent-accessible API.

Open DeFi analytics dashboard and free API tracking TVL, fees, revenue, volume, and yields across many chains and protocols.

Onchain analytics platform with wallet labeling and smart-money tracking, offering an API with key-based and x402 access.

Multi-chain API tracking 1,600+ labeled KOL, smart-money, and whale wallets, with an MCP server.

MCP server querying Aave V2/V3/V4 lending and governance data across 7 chains via The Graph.

Official MCP server for NFTGo's Ethereum NFT analytics API: collections, assets, market data, and wallet holdings.

Hosted MCP server for on-chain whale tracking and forensics across BTC, ETH, SOL, USDT, and tokenized gold.

MCP wrapper around Cryo, the Rust/Python Ethereum data-extraction tool, for bulk block/trace/log queries plus SQL.

Onchain portfolio data provider exposing token, NFT, and DeFi position data across many chains via a GraphQL API.

Pay-per-use MCP gateway aggregating Dune, DefiLlama, Zerion, CoinGecko, and Cielo for agent-facing crypto data.

An onchain data network providing structured, AI-ready blockchain data across many chains, with API, CLI, MCP, and x402 access.

Decentralized data exchange that lets agents access, publish, and pay for datasets and compute-to-data jobs.

MCP server giving AI coding agents live access to SODAX's cross-network DeFi API across 20+ chains.

Hosted MCP scoring risk across 700+ DeFi vaults on Morpho, Aave, Spark, Yearn, and Beefy for agent due diligence.

MCP server providing AI assistants read access to onchain data via the Bankless API.

OAuth-gated MCP over a live graph of positions, governance, oracles, custody and backing, answering control-closure and blast-radius questions.

Official Celo MCP server for querying the Celo ecosystem, chain data, and developer workflows.

Non-custodial onchain yield API for agents: discover, assess, enter and exit 3,300+ staking/lending/RWA yields over one MCP server, paid per call via x402.

MCP server enabling agents to build and deploy Ethereum apps with Scaffold-ETH — clone, fork, deploy, and run local Web3 dev flows.

MCP server for ENS — resolve names to addresses, reverse lookups, text records, subdomains, and registration pricing.

MCP server that turns an AI assistant into an autonomous DeFi trading agent.

MCP server for Lido liquid staking: stake, unstake, wrap, vote, and monitor yields on Ethereum.

Open-source MCP built into the Erigon Ethereum client, exposing 40+ read-only JSON-RPC and node-data tools.

Phantom's MCP server that lets AI agents view addresses, sign transactions, swap, and transfer tokens across Solana, Ethereum, Bitcoin, and Sui.

Official OpenSea agent skill and MCP server letting AI agents query NFT/token data and execute marketplace operations such as listing, offers, and token swaps.

An intent-based onchain execution engine and API that lets developers and agents bundle multi-step DeFi actions into a single transaction.

Cross-chain swap/settlement API solved by the NEAR Intents solver network; also an MPP payment method so agents pay 402s from any chain.

Ethereum standard providing on-chain identity, reputation, and validation registries for AI agents.

Farcaster developer platform providing APIs, SDKs, webhooks, and an agent skill for building and deploying agents that read and write Farcaster data.

Omnichain orderbook trading infrastructure exposing REST and WebSocket APIs and SDKs for DEX builders.

A blockchain developer platform providing node infrastructure plus NFT, Token, and Transfers APIs and SDKs across many chains.

RPC infrastructure provider offering endpoints, Streams, and indexing tools across many blockchain networks.

Draft Ethereum standard defining an on-chain job-escrow protocol with evaluator attestation so AI agents can hire, deliver, and settle work without intermediaries.

Drop-in OpenAI Python client with transparent x402 micropayment support.

Omnichain token launchpad with a dedicated MCP server and white-label API for agent-run token launches.

Chainlink's hosted HTTP gateway and skill bundle: pay-per-call Data Streams prices and CRE-run onchain actions with gas covered, paid via x402 in USDC on Base.

Open-source autonomous AI trading agent operating across 1000+ markets including Polymarket, Kalshi, and Hyperliquid.

Leading multichain spot DEX with v4 hooks, official SDKs, and a hosted Trading API.

Multichain DEX aggregator with a developer API suite and an official MCP server for AI-agent swap execution.

Intent-based trading protocol with batch-auction solvers, MEV protection, and a developer API and SDK.

MCP server for trading on Lighter, a zero-fee zk-rollup perpetual DEX — place orders, manage positions, query markets.

Perpetuals (and options) DEX built as a Starknet appchain with REST/WebSocket APIs and SDK tooling.

Decentralized options and perpetuals exchange on a custom OP Stack L2 with REST and WebSocket APIs.

A non-custodial trading platform and API offering algorithmic order types (TWAP, limit, stop) with smart order routing across many chains.

Multi-chain DEX aggregator routing across 420+ liquidity sources, shipped as a Base MCP skill plugin.

Telegram trading and sniper bot with custodial in-chat wallets; its own site lists Robinhood Chain among supported networks.

Multi-chain meme-token trading terminal (Base, Solana, Ethereum, BNB Chain) with agent-callable AI Skills for token data and trade execution.

Crossmint's open-source library of onchain actions (tools) for AI agents across chains.

Agent skills for OKX OnchainOS: wallet, token discovery, market data, and DEX swaps.

Hermes Agent plugin for crypto: wallets, DEX trading, lending, staking, governance, and onchain automation.

Skill collection for EmblemAI agents — 200+ crypto tools across seven blockchains.

Agent skill for Bitget Wallet: token swaps, cross-chain bridging, and gasless transactions.

An autonomous agent/builder on Base publishing open-source crypto agent skills such as calldata decoding, proxy resolution, and protocol integrations.

Web3 toolkit for Claude Code: 140 custody-free MCP tools for EVM and Solana DeFi, DEX, and perps.

Official Rocket Pool repo of 7 agent skills for ETH staking workflows on the Rocket Pool protocol.

24 modular markdown skill guides teaching AI agents production Ethereum development, from wallets to security.

Network and framework for co-owned autonomous agent services operating onchain.

Open-source TypeScript framework for building crypto-native multi-agent systems.

Python framework for lightweight autonomous agents with built-in crypto-economic features.

An AI-agent framework and non-custodial vault protocol for designing, backtesting, and deploying automated DeFi yield and trading strategies.

Framework for TEE-hosted agents that hold assets and sign on many chains via NEAR chain signatures, with guardrails in an agent contract.

Commerce SDK for bootstrapping AI agents that can pay, sell, and transact onchain.

A Cosmos SDK Layer 1 with EVM compatibility positioned as a settlement and distribution layer for AI agents.

A no-code platform from Spectral Labs that turns natural-language prompts into autonomous onchain agents with wallets and trading capabilities.

Intent-based DEX aggregator for agents — natural-language swap intents settled via batch auction across 11+ EVM chains plus Solana.

Non-custodial lending protocol with isolated markets and curated vaults, shipped as a Base MCP skill plugin.

An on-chain trading protocol for automated, adjustable limit, range, and recurring orders that execute fully on-chain and non-custodially.

MCP server combining DexScreener and DeFiLlama data for yield scanning and token risk checks.

Programmable-liquidity AMM protocol included as a Base MCP skill for agent-driven swaps and liquidity actions.

Non-custodial ERC-4626 yield optimizer on Base and Ethereum; agents deposit stablecoins into yoUSD to earn aggregated DeFi yield.

Institutional RWA tokenization platform (ISO 27001/27701/27018, MiCA-aligned) with a no-code issuer studio and an API integration tier.

Self-custodial DeFi yield agents that rebalance Safe-based accounts across supported protocols, with an SDK and a hosted MCP server.

Coinbase's toolkit for giving AI agents wallets and the ability to take onchain actions.

CLI wizard and scripts that register and update an agent's ERC-8004 identity, with the agent card stored as IPFS content on Pinata.

CLI toolkit for deploying NFT collections, minting, and running SuperRare-integrated auctions.

Self-hosted control plane for onchain agents: sealed local wallet, ERC-7715 session grants with chain-enforced caps, EIP-7702 execution, EAS attestation ledger, human kill switch.

npx CLI that scaffolds an ERC-8004 agent project with A2A and MCP servers and optional x402 payments, for EVM chains and Solana.

SDK/API stack for Solana Blinks (link-to-transaction actions) plus multi-channel onchain alerts and lending-market data, with docs and a dashboard.

Reference Identity and Reputation registry contracts for ERC-8004, with ABIs and a per-chain deployment table, kept by the 8004 team.

Open-source attestation infrastructure for signing and verifying structured data, with contracts, a TypeScript SDK and a CLI aimed at agents.

MCP server from SlowMist exposing MistTrack address risk scoring and fund-flow tracing to AI agents.

Privacy infrastructure that gives MCP-compatible agents private wallets, encrypted messaging, and confidential smart contracts using Garbled Circuits.

Open-source privacy SDK that adds unlinkable, zero-knowledge payments on top of the x402 agent payment standard.

Pre-built MCP blockchain capability modules giving agents fraud detection, AML scoring, wallet profiling, and token analysis.

Agent-identity authentication protocol modeled on Sign-In-With-Ethereum, letting services verify an agent before granting access.

Keyless API that simulates a buy and sell of an EVM token and reports the observed taxes, gas and honeypot result.

Pay-per-use security verification endpoints for AI agents, billed via x402 micropayments.

Open HTTP 402 payment protocol, now at the x402 Foundation: agents pay per request in stablecoins, and by a newly merged spec, in bitcoin over Lightning.

Open protocol from Google for secure agent-led payments across traditional and crypto rails, with a crypto-native x402 extension built with Coinbase, Ethereum Foundation, and MetaMask.

Decentralized marketplace where AI services are published, discovered, and called by other agents, with an SDK for publishing your own.

On-chain US 501(c)(3) community foundation enabling donor-advised funds and crypto, stock, and cash donations to nonprofits, with an agent skill for charitable giving.