# Standards

> Ethereum token and protocol standards — ERC-20, ERC-721, ERC-1155, ERC-4337, ERC-8004 agent identity, EIP-7702, EIP-3009 gasless transfers, and x402 HTTP payment protocol.

- Skill: `bankrbot/standards-2` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add bankrbot/standards-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bankrbot/standards-2/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: BankrBot (https://skillmd.com/u/bankrbot)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bankrbot/standards-2

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# Standards

Provided by EthSkills. Installs outside this repo — see `catalog.json` `install.command`.