Ethereum AI Agents

3,594 on-chain AI agents on Ethereum. Filter by quality score, protocol, and x402 signals.

Zyfai Rebalancer Agent for 0xb78A4C689D00Cc7025eD9d362D8b3c8D0a69483F

Zyfai Rebalancer Agent for 0xb78A4C689D00Cc7025eD9d362D8b3c8D0a69483F

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x3A0D6335a324019874eE7E9bDc5c07F6653A6FA3

Zyfai Rebalancer Agent for 0x3A0D6335a324019874eE7E9bDc5c07F6653A6FA3

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x81B40f913A4C6C4aE39271eA4004161a70B7A313

Zyfai Rebalancer Agent for 0x81B40f913A4C6C4aE39271eA4004161a70B7A313

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x42Ea03cbCD721D71689ee880BC4Ff1Ea2Fb0d2fa

Zyfai Rebalancer Agent for 0x42Ea03cbCD721D71689ee880BC4Ff1Ea2Fb0d2fa

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x90450F298D41ec931A2e35975756f13392939DFb

Zyfai Rebalancer Agent for 0x90450F298D41ec931A2e35975756f13392939DFb

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0xEB2c1Ed7b2b82a895a153A0217318065797124F6

Zyfai Rebalancer Agent for 0xEB2c1Ed7b2b82a895a153A0217318065797124F6

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x8eAdF05DB030969b51020B5F1F41293939BE8e42

Zyfai Rebalancer Agent for 0x8eAdF05DB030969b51020B5F1F41293939BE8e42

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x59d33EC6aA73097DE7d6D3290E2E25E3dEbd32e9

Zyfai Rebalancer Agent for 0x59d33EC6aA73097DE7d6D3290E2E25E3dEbd32e9

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x0788E73f8249f2942a21A388C10Ab8Bb4f99c9fd

Zyfai Rebalancer Agent for 0x0788E73f8249f2942a21A388C10Ab8Bb4f99c9fd

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x440e3ecF45ADA464dAD8F642c0F90Dc79aF8c9bF

Zyfai Rebalancer Agent for 0x440e3ecF45ADA464dAD8F642c0F90Dc79aF8c9bF

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x45DDb16F1D442a25fBfD708562A81d73ea243499

Zyfai Rebalancer Agent for 0x45DDb16F1D442a25fBfD708562A81d73ea243499

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x6e12249D5A6d14b11600E451320F9FD5A38e0d27

Zyfai Rebalancer Agent for 0x6e12249D5A6d14b11600E451320F9FD5A38e0d27

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0xc19a8dC00d28e93a1f883C8330694E407abF176c

Zyfai Rebalancer Agent for 0xc19a8dC00d28e93a1f883C8330694E407abF176c

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x254aEEc638E7690aaBB51A4fE81b5d0658822E73

Zyfai Rebalancer Agent for 0x254aEEc638E7690aaBB51A4fE81b5d0658822E73

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x9A72Eb611343C26989d25d40c5697339720d8D02

Zyfai Rebalancer Agent for 0x9A72Eb611343C26989d25d40c5697339720d8D02

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x08A6f35FA405618A414a612c34938890dae9d96a

Zyfai Rebalancer Agent for 0x08A6f35FA405618A414a612c34938890dae9d96a

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0xf2B202Bab6a3a1234BE6A5dd80b71D725b70ADDF

Zyfai Rebalancer Agent for 0xf2B202Bab6a3a1234BE6A5dd80b71D725b70ADDF

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x39aEC7bE9f041050150CE5846536143A4aDec4C8

Zyfai Rebalancer Agent for 0x39aEC7bE9f041050150CE5846536143A4aDec4C8

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0xBd2408D92560B328330BFfa36F169c2786CbC7ff

Zyfai Rebalancer Agent for 0xBd2408D92560B328330BFfa36F169c2786CbC7ff

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x6F8c2e2770E5dF083ae18B1316798379f517D328

Zyfai Rebalancer Agent for 0x6F8c2e2770E5dF083ae18B1316798379f517D328

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x7f9B1B04d7E19229D4bCf3CD421dc10491140Bd2

Zyfai Rebalancer Agent for 0x7f9B1B04d7E19229D4bCf3CD421dc10491140Bd2

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x351161C13da67a4e0abcAC1134b6FefF9CE0Bc9B

Zyfai Rebalancer Agent for 0x351161C13da67a4e0abcAC1134b6FefF9CE0Bc9B

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0xa1a7589230439adD70431f3431901be3e95adDB1

Zyfai Rebalancer Agent for 0xa1a7589230439adD70431f3431901be3e95adDB1

C
Ethereum41/100

A 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.

webMCP
Zyfai Rebalancer Agent for 0x21857D5900799027c26a218954EfD514F78eC448

Zyfai Rebalancer Agent for 0x21857D5900799027c26a218954EfD514F78eC448

C
Ethereum41/100

A 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.

webMCP

Ethereum hosts 50,486 ERC-8004 AI agents registered on-chain, making it one of the most active chains in The Spawn directory. Of those, 1,218 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?

50,486 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?

1,218 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.