megaeth-developer
End-to-end MegaETH development playbook (Feb 2026). Covers wallet operations, token swaps (Kyber Network), eth_sendRawTransactionSync (EIP-7966) for instant receipts, JSON-RPC batching, real-time mini-block subscriptions, storage-aware contract patterns (Solady RedBlackTreeLib), MegaEVM gas model, WebSocket keepalive, bridging from Ethereum, and debugging with mega-evme. Use when building on MegaETH, managing wallets, sending transactions, or deploying contracts.
Install with Tessl CLI
npx tessl i github:Demerzels-lab/elsamultiskillagent --skill megaeth-developer94
Does it follow best practices?
Validation for skill structure
Evaluation results
80%
50%Bulk ETH Payout Script for MegaETH
Transaction submission and gas configuration
Sync transaction method
0%
100%
Correct intrinsic gas
0%
100%
Correct base fee
100%
100%
Zero priority fee
0%
100%
No viem getGasPrice
100%
100%
Correct chain ID
0%
0%
Correct RPC URL
0%
0%
Receipt obtained
100%
100%
No polling fallback
0%
100%
Without context: $0.3643 · 1m 43s · 21 turns · 27 in / 5,519 out tokens
With context: $0.5647 · 1m 30s · 23 turns · 6,086 in / 5,956 out tokens
100%
39%MegaETH Live Block Explorer Backend
WebSocket real-time frontend and RPC batching
miniBlocks subscription
0%
100%
WebSocket keepalive
50%
100%
Single shared WebSocket
100%
100%
Multicall for batch reads
100%
100%
No JSON-RPC batch array
50%
100%
No eth_getLogs mixing
100%
100%
Connection warmup
60%
100%
Correct WebSocket URL
0%
100%
Reconnect on close
62%
100%
Keepalive cleared on close
80%
100%
Without context: $0.5888 · 2m 48s · 22 turns · 28 in / 11,560 out tokens
With context: $1.4577 · 5m 37s · 37 turns · 40 in / 20,970 out tokens
93%
52%On-Chain Game Item Registry for MegaETH
Smart contract storage optimization and multi-token design
EIP-6909 not ERC-1155
0%
100%
Solady ERC6909
0%
100%
No dynamic mappings for balances
0%
100%
Slot reuse design
90%
30%
Volatile data access late
100%
100%
Battle event data under 4KB
100%
100%
Foundry skip-simulation
0%
100%
Testnet RPC in deploy command
0%
100%
Explicit gas limit in deploy
0%
100%
Minter role access control
100%
100%
Without context: $0.5505 · 2m 36s · 22 turns · 27 in / 9,630 out tokens
With context: $0.6593 · 2m · 28 turns · 6,327 in / 7,000 out tokens
- Evaluated
- Agent
- Claude Code
Table of Contents
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