Agent skill · research science · bankrbot

Layer 2s

Ethereum L2 landscape — Arbitrum, Optimism, Base, zkSync, Unichain, Celo. How they work, how to deploy, how to bridge, and which to use when. Includes 2025–2026 updates like Celo migration and Polygon zkEVM shutdown.

Why this skill is useful

Provides detailed knowledge on deploying and bridging Ethereum Layer 2 solutions that the AI wouldn't reliably generate on its own.

What it needs

About 1k tokens when loaded. Last updated 2026-08-06. 1,172 stars on the source repository.

What this skill does

Layer 2s Provided by EthSkills. Installs outside this repo — see catalog.json install.command.

How to use it

Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:

@skills bankrbot/ethskills-l2s

View the source on GitHub

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