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.
94
Quality
92%
Does it follow best practices?
Impact
95%
2.06xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Evaluation results
100%
59%ETH Reward Distribution Script
Transaction submission and RPC batching
Sync transaction method
0%
100%
No receipt polling loop
100%
100%
JSON-RPC batch for multi-read
80%
100%
No Multicall usage
100%
100%
No mixed slow/fast batch
100%
100%
Correct chain ID
0%
100%
Correct RPC endpoint
0%
100%
Base fee configuration
0%
100%
No priority fee query
60%
100%
Hardcoded gas limit
0%
100%
Local signing
100%
100%
Without context: $0.5621 · 2m 51s · 23 turns · 29 in / 9,772 out tokens
With context: $0.6344 · 2m 36s · 26 turns · 112 in / 9,848 out tokens
100%
40%Real-Time Block Feed Proxy Server
WebSocket subscriptions and real-time streaming
miniBlocks subscription
0%
100%
eth_chainId keepalive
0%
100%
30-second keepalive interval
100%
100%
Single upstream connection
100%
100%
Broadcast pattern
100%
100%
No per-user upstream WS
100%
100%
Testnet WS endpoint
100%
100%
Subscription count limit
0%
100%
Without context: $0.4179 · 1m 52s · 20 turns · 25 in / 6,677 out tokens
With context: $0.4558 · 1m 45s · 25 turns · 279 in / 6,051 out tokens
85%
48%On-Chain Order Book Contract
Storage-optimized smart contract patterns
RedBlackTreeLib import
0%
100%
No plain mapping for ordered data
100%
100%
Slot reuse design
100%
100%
SSTORE cost documentation
20%
100%
Storage cost design rationale
100%
100%
Foundry skip-simulation flag
0%
0%
Correct chain ID in deployment
0%
100%
Correct RPC in config
0%
100%
Volatile data limit awareness
0%
50%
Without context: $0.7025 · 3m 42s · 23 turns · 76 in / 14,548 out tokens
With context: $2.2234 · 7m 57s · 64 turns · 319 in / 30,401 out tokens
- Repository
- NeverSight/skills_feed
- Commit
5342bca
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
Table of Contents
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