megaeth-developer

What This Skill Does

The megaeth-developer skill provides a comprehensive toolkit for building high-performance decentralized applications on the MegaETH ecosystem. Designed for February 2026 standards, this skill centralizes best practices for interacting with MegaEVM, focusing on ultra-low latency transaction execution and efficient storage management. It serves as your primary assistant for managing wallets, configuring RPC connections, deploying optimized smart contracts, and implementing real-time data streaming via WebSockets. By leveraging EIP-7966, this skill enables instant transaction confirmations, bypassing the traditional polling bottleneck inherent in standard EVM chains. It includes deep integration with development tools like mega-evme for gas profiling and provides battle-tested patterns for minimizing SSTORE costs by utilizing Solady's optimized library implementations.

Installation

To integrate this skill into your local OpenClaw environment, execute the following command in your terminal: clawhub install openclaw/skills/skills/0xguardbot/megaeth Ensure you have the latest version of the OpenClaw agent runtime to support WebSocket keepalive requirements and the updated RPC batching methodologies introduced in v2.0.14.

Use Cases

This skill is engineered for complex engineering tasks, including:

1. High-Frequency Trading Frontends: Managing real-time order books and token swaps via the Kyber Network aggregator with sub-millisecond receipt handling.
2. Gas-Efficient Smart Contract Development: Refactoring standard Solidity contracts to utilize storage-aware patterns, such as RedBlackTreeLib, to avoid the high costs of frequent SSTORE operations.
3. Real-Time Analytics Dashboards: Implementing efficient WebSocket listeners for mini-block subscriptions that provide immediate UI updates without overhead.
4. Bridge Management: Automating the transfer of liquidity from Ethereum Mainnet to MegaETH with automated fee and network configuration.

Example Prompts

1. "Deploy my ERC-20 token contract using the storage-optimized pattern and configure the deployment script to use eth_sendRawTransactionSync."
2. "Profile my current swap contract using mega-evme and suggest gas optimizations for the storage slots."
3. "Set up a WebSocket connection to the MegaETH testnet that listens for mini-blocks and broadcasts events to my Next.js frontend, ensuring the 30-second keepalive is managed."

Tips & Limitations

• Gas Estimation: Do not rely on local estimation; always query the remote eth_estimateGas endpoint as MegaEVM pricing differs from standard Ethereum protocols.
• Batching: While JSON-RPC batching was historically preferred, move all eth_call operations to aggregate3 (Multicall) to benefit from v2.0.14+ performance gains.
• WebSocket Limits: Be aware of the 50-connection cap per VIP endpoint. Implement centralized broadcast services rather than per-user connections to stay within limits.