OpenSea releases ERC-8257, positioned as an "app store for AI agent tools"
Foresight News reports that OpenSea has announced the launch of the Ethereum open standard ERC-8257 (Agent Tool Registry), positioning it as an "app store for AI agent tools." This standard allows developers to register tools on-chain, declare access rules and pricing, and enables AI agents to autonomously discover, purchase access, and invoke tools without human intervention.
OpenSea stated that this standard, together with protocols such as ERC-8004 (agent identity), MCP (tool discovery), and x402 (payment protocol), forms the foundational infrastructure for on-chain operations of AI agents. Currently, ERC-8257 remains in the draft stage, and OpenSea invites developers to participate in its refinement.
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