Frontend UX rules for Ethereum dApps — mandatory patterns for onchain buttons, four-state connect flows, token approval sequences, address display, USD values, and RPC configuration.

Complete build-to-production pipeline for Ethereum dApps — fork mode setup, IPFS deployment, Vercel config, ENS subdomain setup, and a full production checklist built around Scaffold-ETH 2.

DeFi legos and protocol composability — Uniswap V4 hooks, Aave flash loans, ERC-4626 vaults, Aerodrome on Base, GMX/Pendle on Arbitrum. Dominant DEX per L2 and how to combine protocols safely.

500+ item EVM smart contract audit system across 19 domains. Runs parallel specialist agents, synthesizes findings, and files GitHub issues. Separate from the security skill — this is for auditing contracts you did not write.

Verified contract addresses for Uniswap, Aave, Safe, USDC, ENS, Chainlink, Lido, Aerodrome, and more — across mainnet and major L2s. All verified on-chain via eth_getCode as of February 2026.

Register AI agents on Ethereum mainnet using ERC-8004 (Trustless Agents). Use when the user wants to register their agent identity on-chain, create an agent profile, claim an agent NFT, set up agent reputation, or make their agent discoverable. Handles bridging ETH to mainnet, IPFS upload, and on-chain registration.

Set your primary ENS name on Base and other L2s. Use when user wants to set their ENS name, configure reverse resolution, set primary name, or make their address resolve to an ENS name. Supports Base, Arbitrum, Optimism, and Ethereum mainnet.

Full-cognition token analysis for Base EVM tokens via the deluagent oracle. Pass a CA or cashtag, get back a flat decision header (action, conviction, entry/stop/size, read) plus full cognition report. Tiered x402 pricing — 100M+ DELU free, 50M+ 50k DELU, public 250k DELU. Sequential calls only.

List tokens on CoinHero via consignment deals on Base — deposit ERC-20 inventory, earn USDC when the protocol buys your token for CoinHero card games. Use when a wallet-enabled agent wants to consign a Base ERC-20 token, check deal performance, or withdraw earnings. Requires a CoinHero dashboard API key and a wallet (EOA) on Base mainnet with at least $50 USD worth of the token to deposit.

CodeGrid is a native macOS canvas where multiple coding agents (Claude, Codex, Gemini, Cursor, Grok, shells) run side by side in panes and collaborate via a local agent bus — no tmux, no cloud, no account, no stored API keys. Install this skill when an agent should know how to operate inside a CodeGrid pane, drive the workspace from outside (control socket or codegrid:// deep links), spawn or message sibling agents, or coordinate multi-agent work (delegate, review, pipeline, parallel fan-out, monitor, debate). The differentiator: multiple coding agents collaborating on one canvas, addressable by stable session_id, with a read → message → read protocol built for orchestration.

Deploy ERC20 tokens on Base, Ethereum, Arbitrum, and other EVM chains using the Clanker SDK. Use when the user wants to deploy a new token, create a memecoin, set up token vesting, configure airdrops, manage token rewards, claim LP fees, or update token metadata. Supports V4 deployment with vaults, airdrops, dev buys, custom market caps, vanity addresses, and multi-chain deployment.

Access real-time X/Twitter attention intelligence for Base chain tokens via the checkr API. Use when you need to know what is trending on CT, which tokens are spiking in social attention, get attention/price divergence signals, or fetch narrative summaries for specific Base tokens. Triggers: "what's trending on Base", "check attention for $TOKEN", "what's spiking right now", "social signal for X", any token research needing CT attention data. Payments via x402 — USDC on Base, no API key or account needed.

Interact with Cat Town — a Farcaster-native game world on Base. Covers KIBBLE staking (stake, claim, unlock, unstake, leaderboard, deposit history); live world state (season, weather, time of day, weekend flag); fishing drops filtered by world state; Isabella's weekend fishing competition with live prize-pool math; Paulie's weekly fish raffle (free-ticket claim, tier-based prize pool, odds, last winners); the daily 3-item boutique with KIBBLE→USD conversion; gacha spins (async VRF pay-then-receive, 100/day cap, seasonal pools); item valuation plus batch selling via the V2 vendor (5% tax); and KIBBLE tokenomics (% burned, % staked, live APY). Use when the user mentions Cat Town, KIBBLE, Wealth & Whiskers, Jasper, Isabella, Paulie, Skipper, Theodore, Cassie, RevenueShare, fishing, gacha, raffle, boutique, vendor, prize pools, drop tables, or any read/write on the Cat Town contracts.

Paste a URL or free text and get matched Polymarket / Hyperliquid / Deribit markets with Quotient edge scores. **Pay in $CAPACITR** over x402 on Base — real on-chain settlement via Coinbase facilitator (or USDC fallback when the agent's wallet doesn't hold $CAPACITR). Single paid endpoint, no signup, no skill key. Triggers: "analyze this link", "what's the trade here", "find markets for X", "research X on Polymarket".

CLI for the onchain agent messaging layer on the Base blockchain, built on Net Protocol. Explore other agents, post to feeds, send direct messages, and store information permanently onchain.

Single-sided token-supply yield on Base, paid as AI inference. Use when an agent or user wants to deposit a portion of an ERC-20 token's supply into a Berry Juicer vault to earn trading fees, check a Juicer position or inference balance, spend harvested yield as AI inference across 140+ models, or withdraw. Authorization is wallet-agnostic. The agent signs with whatever wallet created the pool (Bankr, a Privy agentic wallet, or any EOA), and the Berry backend verifies that signature. Built on Base. Inference provided through Surplus, wallet security through Privy.

Run a production Base node with Reth client — hardware sizing, port configuration, snapshot bootstrapping, security hardening, and sync monitoring.

Deploy and verify smart contracts on Base with Foundry — testnet faucet access via CDP, encrypted keystore management, BaseScan verification, and common troubleshooting.

ERC-4337 smart wallet integration — Sign in with Base, one-tap USDC payments, gas sponsorship via paymasters, sub accounts, and spend permissions across 9 chains.

Build and run a Twitter/X agent with a distinct personality and automated workflows