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erc8004-agent-identity

Register AI agents with verifiable ERC-721 on-chain identity and reputation.

5|Updated May 2, 2026
Search Tags:#mcp#on-chain identity#erc8004#agent discovery#agent reputation#validator attestations#nft registration
One-click install
npx skills add https://github.com/nirholas/three-ui --skill erc8004-agent-identity-nirholas
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: erc8004-agent-identity
Source: https://github.com/nirholas/three-ui/tree/main/data/skills/protocol/erc8004-agent-identity
Command: npx skills add https://github.com/nirholas/three-ui --skill erc8004-agent-identity-nirholas

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

ERC-8004 solves the problem of trusting and discovering AI agents across platforms without knowing or relying on a single vendor’s identity systems.

Core Features & Use Cases

  • Agent identity as an NFT: Register each agent with a unique, transferrable ERC-721 identity whose tokenURI points to a JSON registration file.
  • Standardized reputation signals: Record and query feedback metrics like starred quality, reachable status, uptime, success rate, and response time for comparable trust scoring.
  • Independent validation attestations: Track validator proofs and attestations (e.g., zkML, TEE, economic stakers) that an agent’s capabilities were reviewed.
  • Use case: A marketplace or application can search for agents by capabilities, verify their identity, and gate access or pricing based on reputation and validations.

Quick Start

Use the erc8004-agent-identity guide to register your agent on-chain by preparing a compliant registration JSON (including services like MCP endpoints) and submitting it using the ERC-8004 registration operations.

Frequently Asked Questions about erc8004-agent-identity

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I establish on-chain identity for AI agents across different platforms?▼

You establish on-chain agent identity by registering each AI agent with a unique, transferrable ERC-721 identity token. The tokenURI points to a JSON registration file containing capability metadata and service endpoints like MCP.

What is ERC-8004 used for in multi-agent orchestration?▼

ERC-8004 is used for discovering, trusting, and interacting with AI agents across organizations. It provides standardized reputation signals like uptime and success rate, enabling marketplaces to verify agent capabilities before orchestration.

How do I verify validator attestations for an AI agent's capabilities?▼

You verify validator attestations by querying the on-chain attestation registry. This tracks independent validation proofs, such as zkML or TEE, confirming that an agent's capabilities were reviewed by economic stakers or validators.

Can I use NFT registration to search for agents by capability metadata?▼

Yes, you can use NFT registration to search for agents by capability metadata. Applications and marketplaces query the ERC-721 identity records and standardized reputation signals to discover agents that meet specific service requirements.

Does ERC-8004 support multi-chain deployment compatibility for agent marketplaces?▼

Yes, ERC-8004 fulfills requirements for multi-chain deployment compatibility. This allows agent marketplaces and client applications to search, verify, and interact with trusted on-chain agents across different blockchain networks.

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