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standards

Select and apply Ethereum token, NFT, account abstraction, and payment standards.

Updated Apr 8, 2026
Search Tags:#standards#ethereum#x402#account-abstraction#token-design#erc-8004#eip-3009
One-click install
npx skills add https://github.com/mashharuki/flare-sample --skill standards-mashharuki
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: standards
Source: https://github.com/mashharuki/flare-sample/tree/main/.claude/skills/eth-standards
Command: npx skills add https://github.com/mashharuki/flare-sample --skill standards-mashharuki

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps engineers and product teams choose and apply the correct Ethereum token, account, and payment standards so implementations are interoperable, secure, and production-ready.

Core Features & Use Cases

  • Standards Mapping: Clear explanations of ERC-20, ERC-721, ERC-1155, ERC-4337, ERC-8004 and other relevant EIPs and how to pick between them.
  • Payment & Identity Integration: Practical guidance for integrating gasless transfers (EIP-3009), HTTP payment flows (x402), smart EOAs (EIP-7702), and onchain agent identity (ERC-8004).
  • Use Case Examples: Token issuance, NFT wallets and token-bound accounts, agent registration and reputation, paid data APIs with x402, and account abstraction patterns for dApps and services.

Quick Start

Use the standards skill to determine which token standard and payment/identity flows to use for a new dApp that needs gasless payments, agent identities, and cross-chain discovery.

Frequently Asked Questions about standards

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

FAQPage Schema
What Ethereum token standard should I use for my dApp's token issuance?▼

EIP-3009 enables gasless transfers using meta-transactions and signature-based authorization. The standards Skill provides the contract interfaces and payment flows needed to integrate EIP-3009 for gasless token transfers without requiring users to hold ether.

How does x402 work for HTTP payments in Web3 applications?▼

x402 facilitates HTTP payment flows for services like paid data APIs. The standards Skill outlines the integration requirements and payment flows to implement x402, allowing agents and dApps to handle automated onchain payments seamlessly.

How do I set up onchain identity for an AI agent using ERC-8004?▼

ERC-8004 is used for onchain agent identity and reputation. The standards Skill provides the registration steps and cross-chain registry addresses required to register an agent and establish its identity on the Ethereum network.

Can I use ERC-4337 and EIP-7702 together for account abstraction?▼

ERC-4337 and EIP-7702 can be combined for advanced account abstraction patterns. The standards Skill explains how to apply smart EOAs via EIP-7702 and integrate them with ERC-4337 for dApp development workflows requiring gasless services.

What are the limitations of using EIP-3009 for cross-chain payments?▼

EIP-3009 focuses on signature-based transfer authorization but requires cross-chain registry addresses for multi-chain interoperability. The standards Skill outlines these constraints and provides the specific registration steps needed to ensure secure payment integration.

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