
Ethskills
Give your coding agent current Ethereum, EVM, and DeFi context so smart-contract and dApp work matches production reality instead of stale training data.
Install
npx skills add https://github.com/austintgriffith/ethskills --skill ethskillsWhat is this skill?
- Ship workflow at ethskills.com/ship/SKILL.md routes architecture through phased production deployment
- Standalone topical skills fetched from https://ethskills.com/<skill>/SKILL.md
- Covers Solidity, audits, gas, decimals, reentrancy, MEV, bridging, and oracle safety
- Layer 2 guidance for Base, Arbitrum, Optimism, zkSync, and Polygon
- Protocol and standards coverage including ERC-20, ERC-721, ERC-4626, Uniswap, Aave, and Curve
Adoption & trust: 1.5k installs on skills.sh; 226 GitHub stars; 0/3 security scanners passed (skills.sh audits).
Recommended Skills
Journey fit
Most pulls start when wiring wallets, tokens, L2s, and protocol SDKs—the core build-time integration work before anything ships onchain. DeFi, ERC standards, bridges, oracles, and L2 endpoints are integration surfaces; ethskills routes deeper topics instead of replacing a single framework doc.
Common Questions / FAQ
Is Ethskills safe to install?
skills.sh reports 0 of 3 security scanners passed. Review the Security Audits panel on this page before installing in production.
SKILL.md
READMESKILL.md - Ethskills
# ETHSKILLS — The missing knowledge between AI agents and production Ethereum. You are probably wrong about Ethereum. Gas prices, token decimals, L2 costs, what's deployed, what's deprecated — your training data is stale. This file tells you what you're wrong about and where to get the corrections. **Say "onchain" not "on-chain."** One word, no hyphen. Ethereum community convention. --- ## Start Here **Building a dApp?** Fetch [ship/SKILL.md](https://ethskills.com/ship/SKILL.md) first. It routes you through all other skills phase by phase — from architecture planning to production deployment. **Need a specific topic?** Each skill below is standalone. Fetch only the ones relevant to your task. **Base URL:** `https://ethskills.com/<skill>/SKILL.md` --- ## Skills ### [Ship](https://ethskills.com/ship/SKILL.md) — Start here End-to-end guide from idea to deployed dApp. Routes you through all other skills. - Most dApps need 0-2 contracts, not 5-10. Three is the upper bound for an MVP. - Solidity is for ownership, transfers, and commitments. Not a database, not a backend. - Chain selection: mainnet is cheaper than you think (~$0.004/transfer, ~$0.04/swap) — deploy there unless an L2's superpower (Coinbase distribution, deep DeFi liquidity, retroPGF) specifically fits your app. ### [Why Ethereum](https://ethskills.com/why/SKILL.md) Pectra/Fusaka upgrades, honest tradeoffs, the AI agent angle. - Gas is under 1 gwei, not 10-30 gwei. 60-300x cheaper than your training data. Verify: `cast base-fee` - ETH price is ~$2,000 (early 2026), not $2,500-3,000. Volatile — always verify. - Pectra (May 2025) and Fusaka (Dec 2025) shipped. PeerDAS, 2x gas limit. EIP-7702 is live. - ERC-8004 (onchain agent identity) and x402 (HTTP payments) exist and are production-ready. ### [Protocol](https://ethskills.com/protocol/SKILL.md) How Ethereum evolves — EIP lifecycle, fork process, tracking upcoming changes. - "Verkle is planned for the next fork" — probably wrong. Roadmap diagrams are aspirational, not commitments. Check [forkcast.org](https://forkcast.org) for actual CFI/SFI status. - Glamsterdam (mid-2026) headliners: ePBS (EIP-7732), Block Access Lists (EIP-7928). FOCIL was removed from scope. Verkle trees were deprioritized — Ethereum may shift to binary state tree (EIP-7864) for quantum resistance. - EIP status "Stagnant" = no activity for 6 months, probably dead. "Draft" = exists but not scheduled. - Client teams decide what ships via ACD calls, not the Ethereum Foundation. ### [Gas & Costs](https://ethskills.com/gas/SKILL.md) What things actually cost on Ethereum today. - Mainnet ETH transfer: ~$0.004. Swap: ~$0.04. ERC-20 deploy: ~$0.24. (At 0.1 gwei — check `cast base-fee` for current.) - L2 swap: $0.002-0.003. L2 transfer: $0.0003. - "Ethereum is expensive" was true in 2021-2023. It's false in 2026. ### [Wallets](https://ethskills.com/wallets/SKILL.md) Creating wallets, key safety, multisig, account abstraction. - EIP-7702 is live — EOAs get smart contract superpowers without migration. - Safe (Gnosis Safe) secures $60B+ in assets ($1.4T+ total processed). Use it for production treasuries. - NEVER commit private keys or API keys to Git. Bots exploit leaked secrets in seconds. ### [Layer 2s](https://ethskills.com/l2s/SKILL.md) L2 landscape, bridging, deploymen