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feat: add MegaETH across all relevant skills - #122

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crumb-trail wants to merge 6 commits into
austintgriffith:masterfrom
crumb-trail:add-megaeth
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crumb-trail wants to merge 6 commits into
austintgriffith:masterfrom
crumb-trail:add-megaeth

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@crumb-trail

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Adds MegaETH (Chain ID 4326) coverage across the ethskills knowledge base. MegaETH is a real-time Ethereum L2 with 10ms mini blocks, 10B gas per EVM block, and sub-cent transaction costs.

Changes by file

l2s/SKILL.md (biggest change)

  • Added to L2 Comparison Table (10ms mini blocks, <$0.001 tx cost, chain ID 4326)
  • Added to L2 Selection Guide: real-time apps / HFT / gaming → MegaETH
  • New Key Chain Details section covering: mini blocks, Realtime API, MegaEVM differences, Kumbaya DEX, EIP-7702 support
  • Added to RPCs and Explorers table
  • Added to Testnets table (chain ID 6343, faucet URL)
  • New deployment gotchas section (multidimensional gas model, 60k base intrinsic gas, 512 KB max contract size, disabled SELFDESTRUCT)

gas/SKILL.md

  • Added MegaETH column to Mainnet vs L2 cost comparison table

ship/SKILL.md

  • Added MegaETH to chain selection superpower table (10ms blocks, real-time streaming)

addresses/SKILL.md

  • New MegaETH Key Addresses section: Multicall3, Kumbaya SwapRouter02, QuoterV2, UniversalRouter, ERC-8004 IdentityRegistry

building-blocks/SKILL.md

  • New MegaETH DeFi subsection: Kumbaya (UniV3 fork), real-time order book potential, sub-cent swap costs

Root SKILL.md

  • Updated L2s summary to mention MegaETH mini blocks and Kumbaya
  • Added real-time/low-latency apps row to the task routing table

All technical details sourced from MegaETH docs and verified contract addresses.

…ip skills

- l2s: Add MegaETH to comparison table, selection guide, chain details,
  RPCs/explorers, testnets, and deployment gotchas (multidimensional gas,
  10ms mini blocks, MegaEVM differences)
- gas: Add MegaETH column to cost comparison table
- addresses: Add MegaETH key addresses (Multicall3, Kumbaya DEX, ERC-8004)
- building-blocks: Add MegaETH DeFi section (Kumbaya DEX)
- ship: Add MegaETH to chain selection superpower table
- root SKILL.md: Mention MegaETH in L2s summary and routing table
@vercel

vercel Bot commented Mar 15, 2026

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@crumb-trail is attempting to deploy a commit to the BuidlGuidl Team on Vercel.

A member of the Team first needs to authorize it.

- Add MegaETH to WETH table (0x4200...0006)
- Add MegaETH to USDT table (0xB8CE...5ebb)
- Add MegaETH to wstETH table (0x601a...98dA)
- Add Kumbaya (MegaETH) as Dominant DEX section with SwapRouter02,
  QuoterV2, UniversalRouter, and pool init code hash
- Remove standalone MegaETH Key Addresses section (now integrated)
Covers instant receipts (EIP-7966), WebSocket mini block streaming,
gas patterns (fixed base fee, multidimensional gas), storage optimization
(Solady, slot reuse, 512KB contracts), Multicall batching, and mega-evme
debugging. Links to awesome-megaeth-ai and megaeth-ai-developer-skills.
- gas: remove '<' prefix from MegaETH cost estimates
- l2s: update finality to 7 days
- l2s: remove '(Frontier mainnet, developer access)' note
- l2s: fix '100x faster' claim to 'fastest block production'
- l2s: add links to megaeth dev skill and awesome-megaeth-ai in deployment section

@0xBreadguy 0xBreadguy left a comment

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Confirming that I've walked through all items proposed with the initial PR to verify their accuracy and that they stuck to convention.

They are confirmed as of today from the MegaETH team.

Let me know if you have any questions.

Comment thread building-blocks/SKILL.md
- Multicall3 is at the standard address: `0xcA11bde05977b3631167028862bE2a173976CA11`.

**Debugging:**
- [mega-evme](https://github.com/megaeth-labs/mega-evm) — replay transactions with full traces, profile gas by opcode.

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mega-evme - Is that a typo?

@0xBreadguy 0xBreadguy Mar 31, 2026

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Nope! (although the link should go deeper)

https://github.com/megaeth-labs/mega-evm/tree/main/bin/mega-evme

"A command-line tool for executing and debugging EVM bytecode, similar to go-ethereum's evm command. This tool provides a convenient way to test, debug, and replay EVM transactions with full control over the execution environment."

@escottalexander escottalexander left a comment

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This looks good to me. @austintgriffith

@vercel

vercel Bot commented Apr 1, 2026

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The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated (UTC)
ethskills Ready Ready Preview, Comment Apr 1, 2026 7:07pm

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3 participants