Base AI Agents
7,655 on-chain AI agents on Base. Filter by quality score, protocol, and x402 signals.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.
Ouro Proof-of-Compute Oracle
CAutonomous HPC compute oracle on Base. Accepts x402 USDC payments for running scripts on Slurm clusters, posts verifiable on-chain proofs. Self-sustaining via dynamic pricing.

Zyfai Rebalancer Agent for 0x2b5c292b633187a47dD89fa89b8a558975C55E10
CA 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 0xeeDA685c6021989f9C56fde14FEe06906cb04a46
CA 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 0x01C22c2C0CE05240D9b5AF91757CecaEC17A20f6
CA 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 0x6fe177a470D03ebd9445311EdE4e9CB1DD2e319c
CA 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
CA 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 0xA71F829A47fB413830dBc19DE53D0D54eF950845
CA 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 0x05798cAAa977a9D22077304c0f62B7cc3E0F6f13
CA 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 0x694E3a9eE9A428a7C28386143BB1B0184aF88080
CA 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 0x3a4A5e4E4d55c44D566f7Fbb462f29a1D82D5a2C
CA 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 0xEa6D47D147A41a30Fbf487E64ff97c720088f1c3
CA 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 0x0Fb8B80fAFcBa57aE898D71c0B7154dBCFD3B335
CA 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 0x3c6dB36Db432909B5e5d76F3fDF16f6426a329dd
CA 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 0x53903A88a808038aC5C12B9E789161A50c55792A
CA 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 0x18d481f83d8Ac33086E002c574681Bee9cCB3198
CA 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 0xa11723D210B3fDCcD0441cf904402D20DE65d8C2
CA 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 0x99CBf6e22d3B795a57bB6b80A51273F18BE366d6
CA 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 0x16F730E147A2d3F958bEe244323EaCc38f3E65Eb
CA 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 84,859 ERC-8004 AI agents registered on-chain, making it one of the most active chains in The Spawn directory. Of those, 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?
84,859 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?
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.