Onchain agents on Ethereum

Open payment protocol enabling agents and apps to pay for APIs over HTTP using stablecoins.

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

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.

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

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

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.

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.

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.

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

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

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.

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

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

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.

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

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

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

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.

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

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.

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

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.

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

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

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

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

Hosted MCP server exposing tools mapped 1:1 to Aave's analytics API, no auth required.

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

Hosted MCP server with 16 tools for Euler lending-protocol rates and positions.

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

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

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.

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

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

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

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.

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

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

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

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

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

Perpetual futures DEX running on its own Cosmos SDK app-chain with REST/WebSocket and gRPC APIs.

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.

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

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

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

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.

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.

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

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

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

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

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

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

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.

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

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

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

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

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.

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

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

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

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

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

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

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

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.

Robinhood's permissionless, EVM-compatible Arbitrum L2 for tokenized real-world assets and 24/7 onchain markets.

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

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.