optimism

Deploy OP Stack components and configure CrossDomainMessenger for cross-chain messaging.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/labsaistudio/AABC-Labs --skill optimism-labsaistudio
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: optimism
Source: https://github.com/labsaistudio/AABC-Labs/tree/main/backend/agent/skills/catalog/optimism
Command: npx skills add https://github.com/labsaistudio/AABC-Labs --skill optimism-labsaistudio

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Optimism and OP Stack deployment knowledge, cross-chain messaging, and predeploy interop, enabling developers to build on OP Mainnet with confidence.

Core Features & Use Cases

  • OP Stack deployment guidance for op-node, op-geth, and related components across the Superchain.
  • Cross-chain messaging workflows between L1 and L2 using CrossDomainMessenger, including deposits and withdrawals.
  • Reference material for predeploy contracts, gas model, and token bridges to enable integrated L1-L2 interactions and interop scenarios.

Quick Start

Follow this guide to deploy a simple contract on OP Mainnet, configure cross-chain messaging, and test a basic L1-L2 interaction.

Frequently Asked Questions about optimism

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

FAQPage Schema
How do I deploy contracts on Optimism OP Mainnet?▼

Cross-chain messaging on Optimism uses the CrossDomainMessenger to facilitate deposits and withdrawals, enabling integrated L1-L2 interactions and cross-domain communication workflows.

How does cross-chain messaging work between L1 and L2?▼

Cross-chain messaging on Optimism uses the CrossDomainMessenger to facilitate deposits and withdrawals, enabling integrated L1-L2 interactions and cross-domain communication workflows.

What are Optimism predeploys and how do they affect gas models?▼

Optimism predeploys are pre-deployed contracts at specific addresses on the OP Stack that dictate gas model details, serving as reference material for token bridges and L1-L2 interop scenarios.

Can I use the OP Stack to test L1-L2 interactions on Sepolia?▼

Yes, the OP Stack supports configuring and testing basic L1-L2 interactions on Sepolia, providing practical deployment and testing patterns for cross-chain messaging workflows.

What is the best way to bridge tokens across OP Mainnet and L1?▼

The best way to bridge tokens involves using the OP Stack token bridge concepts and predeploy references, which provide the necessary framework for secure cross-chain asset transfers.