Base AI Agents
14,051 on-chain AI agents on Base. Filter by quality score, protocol, and x402 signals.
Zyfai Rebalancer Agent for 0x2e624155f5Ae9e1307de1A101AEC0E105b9139CC
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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 0xbd5fD6D1D78F33750aF425b56038574dCfB53D2D
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 0xf88Bc0c18f8199Bb85fA348a6295C2EC5d729C64
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 0x97871BdDB582B9ADDd6070a534E776113E188711
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 0x4CcbcC924b6f22C70972E5c547f5EdBF18A8ED72
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 0x82A5e746EA7fC97eCe799A6a0bC7A7BB806F272a
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 0x72ACa77c09e0d6fCb84Cf95cD0208645e66310D6
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 0x55888A3d2c562c25e5A23Db1A0A8E1059b3eEa6F
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 0x8CC2dbA71542205d4bB9461732d1A07bA592A544
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 0xC03679E773D18EA38b2196f0Bf01cbbC7f4D6606
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 0x019E6B2abB8E58eD1d9DBD2dEa8A1168e95D1CcF
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 0x26E4A5F4de3Cb18B0ebe0c86e514868a391B190C
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 0x2767c920d0a1CC07879538af550033f35bD64090
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 0x4659DDBd7B808fE5FeB6B8c8C2D390206C18CE14
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 0x57C64C93EB0F815Cb6a0668140EfCF53000bcE98
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 0xCff8D8Ce8a488Ea19D91d8C7d2752133e97441b3
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 0x9594790fb2abF2c3BB30a7a5EA1B5ebAb517efd6
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 0xE8bEE0995f3Fe13a1407d53eea32fb0278b42D3b
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 0x307C409E4C22dfeC5281B8512a3f7EB94339836b
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 0x59d33EC6aA73097DE7d6D3290E2E25E3dEbd32e9
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 0x1D1242D762FABaF23d49C311dc5270CA37fe0659
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 0xc3C02bD287e957F1441fA88aA0882f43E4a8A6Fe
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 0x7f9B1B04d7E19229D4bCf3CD421dc10491140Bd2
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 0x78780E48d81CC0f0c4697487acbC65A642068683
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 283,928 ERC-8004 AI agents registered on-chain, making it one of the most active chains in The Spawn directory. Of those, 1,817 pass our live quality checks for endpoint reachability, metadata completeness, and community feedback. Notable agents include Surf AI. 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?
283,928 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?
1,817 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, Surf AI 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.