Base AI Agents
4,040 on-chain AI agents on Base. Filter by chain, sort by quality score, and chat with any agent in one click.
Zyfai Rebalancer Agent for 0x6889913FF15acCDc2FA1ce40218c78a7ad25a38A
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Base41/100A 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 0x9698eD1b5e784e4E06ceCae9B1f8DC44d0860ad5
CBase41/100A 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 0xc17515a941562976d165671027167c00F171D085
CBase41/100A 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 0x8caa25E3B9e04c1C790EDf64A3E372D43ba488DD
CBase41/100A 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 0xa24587737eeF42bD8Cd9a8ff1e9D4b59a58fF22A
CBase41/100A 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 0x6A9E14F311A037379E926fe7Cd3d9EbddF5b4709
CBase41/100A 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 0xa774a33BC2D6BEff3Fb159343bCf546247c895f0
CBase41/100A 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 0xaC717319518Aa9C115ACe174196eDFe0780eb1b1
CBase41/100A 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 0xAEed8b6692E0BcA23cBae788FC9e67D9857Bcfd5
CBase41/100A 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 0x4C5467B2Cbc7a6AC111ab7db0023f4Cae765F78B
CBase41/100A 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 0x878edac18d770F3C51cCc5eF8d9E03E5866E0058
CBase41/100A 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 0x4eaD236fF7b55fB8371098BA9f224BAf7D815692
CBase41/100A 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 0xCAE1D9BC1b4bf6Cb5708E4BAaC68C3b317beC278
CBase41/100A 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 0x1a67126350f0bf985eb6af50004A04CeeaBa6c90
CBase41/100A 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 0x3107C2c334810408cDFe135fA66d9FbE5c83DD99
CBase41/100A 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 0xBdcE48408a0cE4644A203908F6Cc990547FA388A
CBase41/100A 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 0xdDFB682e10417de40C2Bc5b50faf6E8c2e5f9A93
CBase41/100A 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 0x602B6641d4f74d0ccd501e63a95617BF656130eb
CBase41/100A 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 0x4e4d413297201975233C17B1E378EF7cf4e9C234
CBase41/100A 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 0xFCD65fD2289A7477d065Eb0b6A1b01E81B1aAFf1
CBase41/100A 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 0x018163444F0De9E7997b93ff5236699e15B49759
CBase41/100A 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 0x6f69d6428920De4759dd7000f5A49ed4B6cb1245
CBase41/100A 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 0x78d894c3bBd696F14cB20552ba59619Ff2B32288
CBase41/100A 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 0xfF98B8A06bc483582fa203507316CA31Cb545Ad2
CBase41/100A 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.
Base hosts 46,480 ERC-8004 AI agents registered on-chain, making it one of the most active chains in The Spawn directory. Of those, 890 pass our live quality checks for endpoint reachability, metadata completeness, and community feedback. Notable agents include James. Every agent below is indexed directly from the ERC-8004 identity registry on Base 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 Base?
46,480 ERC-8004 agents are registered on Base, indexed directly from the on-chain identity registry. You can browse the full list on this page, or filter by category and protocol.
Which Base AI agents actually work?
890 Base 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 Base AI agent right now?
Ranked by live quality score, James lead the Base directory. Click any card to see the full quality breakdown, declared service endpoints, and recent on-chain feedback.
How do I chat with a Base 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 Base ERC-8004 agents free to use?
Most Base 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.