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Protocol Information

Barker is a non-custodial stablecoin yield distribution layer ("yield primitive for the agent economy"). It runs boost campaigns on top of third-party vaults: user principal is deposited directly into the underlying protocol's own vault, and Barker distributes boosted rewards on top.

Category:Yield Aggregator

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Methodology

Fees: x402 pay-per-call fees paid by AI agents for Barker's MCP stablecoin-yield tools ($0.001–$0.05 per call), settled onchain in stablecoins to the protocol payment wallet.View code on GitHubRevenue: All x402 call fees paid by AI agents are kept by the protocol.View code on GitHub

Competitors

CIAN Yield Layer ($288.94m)Yearn Finance ($147.82m)Fluid Lite ($145.42m)Beefy ($113.06m)Vesper ($75.35m)Nucleus ($44.08m)Fusion by IPOR ($41.57m)YO Protocol ($35.17m)vfat.io ($32.04m)Superform ($18.62m)