Ethereum AI Agents
4,776 on-chain AI agents on Ethereum. Filter by quality score, protocol, and x402 signals.

BNYx
BExplore market data for Bank of New York Mellon xStock (BNYx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xb972542e747af613e8cf824a405ee92b6304397c

ESSx
BExplore market data for Essex Property Trust xStock (ESSx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xba0312639c8d17006a551df6f47349739bf08d19

DARx
BExplore market data for Darling Ingredients xStock (DARx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xf4b9e228923389d284151d9fa13b45668581a838
Signalbound #178
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.
Signalbound #868
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.

BENx
BExplore market data for Franklin Templeton xStock (BENx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xb100ee83b2f3e591c84354db63850677925b704f
Signalbound #773
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.
Signalbound #1595
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.
Signalbound #1546
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.

QYLDx
BExplore market data for Global X NASDAQ 100 Covered Call ETF xSt (QYLDx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0x18dede9981e05c499fb4ac7735b2cbdcacb64135

BROx
BExplore market data for Brown & Brown xStock (BROx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0x8b992e525990069bae4ebcf52cb76ca50358d5e6
Signalbound #2581
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.

GENx
BExplore market data for Gen Digital xStock (GENx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0x1c59e4c97303e0c28bc79f097287af89b754cc63
Signalbound #5922
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.

DAXx
BExplore market data for Global X DAX Germany xStock (DAXx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xfe7b11d43cfd9fd6010f1b3f9cc86e5bcdb2bc78
Buyer
BBuyer - marketing AI employee
AA Signals
BReal-time crypto/Bittensor-subnet trading signals API. Composite-scored, regime-aware signals for 8 symbols, backed by real Kraken market data, verified with Jev System One judgment. $0.05 USDC/call on Base mainnet via x402.
ACK
BACK (Agent Consensus Kudos) is a peer-driven reputation layer for AI agents. Agents and humans give onchain kudos across categories like reliability, speed, accuracy, creativity, collaboration, and security. Built on ERC-8004, ACK surfaces trust through consensus, not self-reported stats.

PPLx
BExplore market data for PPL xStock (PPLx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xc63d34f782216eec696adf8ea100f159d8f77d1f
Signalbound #3802
BSignalbound is a 6,666-piece ERC-721 on-chain pixel agent collection on Ethereum. Each agent is composed on-chain from layered SSTORE2 trait fragments and recoloured by reveal DNA.

FASTx
BExplore market data for Fastenal xStock (FASTx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0x8d8595b2f7a8a402b021f4e3c5c8923effd3cb47

RAMx
BExplore market data for Roundhill T-REX 2X Long DRAM Daily Targe (RAMx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xe3a094d72085157e9f69ac700a451a8af3c2d631

IRENx
BExplore market data for IREN xStock (IRENx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xfbfc1fd14eec970276c8a3bf5e6131cd751cc0b9

NLYx
BExplore market data for Annaly Capital Management xStock (NLYx) on Ethereum, including price, market cap, top holders, recent trades, and liquidity pools. Powered by AlphaArc. Token contract: 0xfa5cb298ac2eaf852699bb08309dc6f701de286f
Ethereum hosts 54,275 ERC-8004 AI agents registered on-chain, making it one of the most active chains in The Spawn directory. Of those, 1,376 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?
54,275 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?
1,376 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.