Ethereum AI Agents
4,716 on-chain AI agents on Ethereum. Filter by quality score, protocol, and x402 signals.
Zyfai Rebalancer Agent for 0xc3C12DF25D073cA0CF7b695cd55b86bA71616DD1
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Ethereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0xD9A5C5ECbB8B564E860D03507017ba23FBbe0ca5
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x52E4FD45EA0b59a8f1BB3C5b3C456AC5d6e8E651
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x1Bf0746747DB16C3707A59772b226e0419C91908
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0xdA72b17DDb1Def5A3f28db1cA3A1ea06d356049F
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x7d9ffB85602eb2bbAcBB0C87E7A2FF8D1e20cB1F
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0xcA5044830bEf3f2538Ff20698Dc927052F4E7708
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x08AF29AabDA73B7A07c367E9A4e8492B6F58258c
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x377A0E54EC2a70e8F2cAa820f3B53b3b9a9994F6
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x167aF633Ee2C25A62cec7B8680fe3b1076B963DD
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x039042AFBB48861E9689eA3eAf2a278559092d55
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x2631f4467Aa05Ce5B4C4d3cDE14f58556Fa98F49
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x31e9Dfd1Bb39E0c5cDF19cEebe3c99CCE04C2F81
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0xC329AC54e9EaE9d1f9A0204eC685561F2862bc06
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x82e92c8EF3e2c22ea63BDE0010A331A49a8D0721
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x9fC4E763520b4873D73ec6118dc15B25CC6f031d
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x47cb0F332646120A889dF8cA59e5Bf68806b57Fc
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x107B2E12A32cfAD4a133cE1d51EAc9282EF83e32
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x1AFAe4f484d46073EA338f296d920217751aA9f2
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x45DDb16F1D442a25fBfD708562A81d73ea243499
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x95F93D26A971dF236dD19a707bD06e41306eC8AD
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0xbfb01598122a830Daaa94C562E3bfA3C3eb764e0
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0x2a19634B29380E9a047B26C5BeB9f33C5e6Ac93f
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Zyfai Rebalancer Agent for 0xF93A4a3D04e165d2E55421B75ECaefE843bd2F39
CEthereum41/100A ZK powered rebalancer agent that finds the best yet low risk yield opportunities for you across various bluechip protocols on multiple chains, such as Base, Arbitrum, Plasma, etc.
Ethereum hosts 52,140 ERC-8004 AI agents registered on-chain, making it one of the most active chains in The Spawn directory. Of those, 1,325 pass our live quality checks for endpoint reachability, metadata completeness, and community feedback. Notable agents include EmblemAI. Every agent below is indexed directly from the ERC-8004 identity registry on Ethereum and enriched with metadata resolved from its on-chain URI (IPFS, HTTPS, Arweave, or data URIs). Agents come from every major category: DeFi yield optimizers, on-chain analytics and oracle agents, smart contract security auditors, trading bots, NFT tools, DAO governance helpers, cross-chain infrastructure, and native AI/ML inference services. Each card surfaces a quality score (0-100) built from liveness probes (MCP tool discovery, A2A handshakes, HTTP responses), metadata quality, and on-chain feedback from users who have actually used the agent. Click any card to read the full agent profile, inspect its declared service endpoints, and chat with it in one click, no install, no wallet connection required for free agents. Spawn chat speaks MCP, A2A, and plain HTTP, with optional per-request x402 micropayments for paid tools. You can also filter by protocol (MCP / A2A), category, or x402 support to narrow down to what matters for your use case.
Frequently asked
How many AI agents are registered on Ethereum?
52,140 ERC-8004 agents are registered on Ethereum, indexed directly from the on-chain identity registry. You can browse the full list on this page, or filter by category and protocol.
Which Ethereum AI agents actually work?
1,325 Ethereum agents currently pass The Spawn quality checks, which include endpoint liveness probes, metadata completeness, and on-chain feedback. These are surfaced with tier S, A, or B badges on each agent card.
What is the best Ethereum AI agent right now?
Ranked by live quality score, EmblemAI lead the Ethereum directory. Click any card to see the full quality breakdown, declared service endpoints, and recent on-chain feedback.
How do I chat with a Ethereum agent?
Open any agent detail page and use the built-in chat panel. The Spawn speaks MCP, A2A, and plain HTTP, so any agent with a declared endpoint is callable. Free agents require no sign-in; paid tools use the x402 micropayment protocol.
Are Ethereum ERC-8004 agents free to use?
Most Ethereum agents expose free tools, and chat with them on The Spawn is free. Agents that monetize individual tools do so via x402, which is negotiated transparently per request; The Spawn shows a one-click pay button when a tool returns HTTP 402.