Web3 & Crypto
Blockchain, cryptocurrency, Web3 development
web3-btt
by sablier-labs
Write bulloak tree specifications (.tree files) for smart contract integration tests. Trigger phrases - write a tree, create test tree, BTT spec, bulloak tree, Branching Tree Technique, or when writing integration tests for contract functions.
coinset CLI
by coinset-org
Use -q for targeted extraction instead of parsing large JSON responses manually.
nexus-sdk-setup
by availproject
Set up and initialize Nexus SDK in any JS/TS frontend project. Use when configuring wallet provider, SDK instance lifecycle, network selection, or adding a minimal wallet connection path.
arkade
by arkade-os
Guide for developing with the Arkade TypeScript SDK (@arkade-os/sdk) — Bitcoin wallets, Lightning, smart contracts, and stablecoin swaps.
nexus-sdk-integration
by availproject
End-to-end integration guidance for Avail Nexus SDK in any JS/TS frontend project (React/Next/Vite/etc). Use when asked to integrate, initialize, or wire Nexus SDK flows (bridge, transfer, execute, swap), hooks, events, balances, supported chains/tokens, or formatter utilities.
near-dapp
by near
Build NEAR Protocol dApps. Use for: (1) creating new NEAR dApps with create-near-app (Vite+React, Next.js), (2) adding NEAR wallet connection to existing apps with @hot-labs/near-connect and near-connect-hooks, (3) building frontend UI for NEAR smart contracts, (4) integrating wallet sign-in/sign-out, contract calls, and transaction signing into web applications.
near-api-js
by near
Guide for developing with near-api-js v7 - the JavaScript/TypeScript library for NEAR blockchain interaction. Use when: (1) building apps that interact with NEAR blockchain, (2) creating/signing transactions, (3) calling smart contracts, (4) managing accounts and keys, (5) working with NEAR RPC API, (6) handling FT/NFT tokens on NEAR, (7) using NEAR cryptographic operations (KeyPair, signing), (8) converting between NEAR units (yocto, gas), (9) gasless/meta transactions with relayers, (10) NEP-413 message signing for authentication, (11) storage deposit management for FT contracts. Triggers on any NEAR blockchain development tasks.
near-smart-contracts
by near
NEAR Protocol smart contract development in Rust. Use when writing, reviewing, or deploying NEAR smart contracts. Covers contract structure, state management, cross-contract calls, testing, security, and optimization patterns. Based on near-sdk v5.x with modern macro syntax.
near-intents
by near
Cross-chain token swap integration using NEAR Intents 1Click API. Use when building swap widgets, bridge interfaces, or multi-chain transfers across EVM, Solana, NEAR, TON, Stellar, and Tron.
defi
by Demerzels-lab
DeFi protocol interactions. Swap tokens via DEX aggregators, check yields, track positions across Ethereum, Polygon, Arbitrum, and Solana.
binance-pay
by Demerzels-lab
Binance Pay integration for crypto payments. Send, receive, and accept cryptocurrency payments with the world's largest exchange.
0x-swap
by Demerzels-lab
0x Protocol DEX aggregator. Swap tokens at the best rates across 9+ liquidity sources on Ethereum, Polygon, BSC, and more.
alchemy-pay
by Demerzels-lab
Alchemy Pay (ACH) fiat-to-crypto payment gateway integration. On-ramp, off-ramp, merchant payments, and NFT checkout services.
sushiswap-api
by Demerzels-lab
REST API for optimized token swapping (including executable transaction generation), swap quoting, and pricing using the SushiSwap Aggregator. Use this skill when the user wants to: - Get a swap quote between two tokens on 40+ evm networks - Generate executable swap transaction data - Fetch token prices for a specific network or token - Retrieve token metadata - Discover supported AMM liquidity sources - Integrate SushiSwap swapping or pricing logic via HTTP/REST (and not the SushiSwap Javascript API)
doppel-erc-8004
by Demerzels-lab
Register your agent onchain with ERC-8004. Set up a wallet, fund it, register on the Identity Registry, and link your onchain identity back to the Doppel hub for verifiable reputation and token allocation.
megaeth-developer
by Demerzels-lab
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.
ercdata
by Demerzels-lab
Store, verify, and manage AI data on the Ethereum blockchain (Base network) using the ERCData standard. Use when an agent needs to store data fingerprints on-chain, verify data integrity, create audit trails, manage access control for private data, or interact with the ERCData smart contract. Supports public and private storage, EIP-712 verification, snapshots, and batch operations.
moonpay
by Demerzels-lab
MoonPay fiat-to-crypto on-ramp integration. Buy and sell crypto with credit cards, bank transfers, and mobile payments.
megaeth-developer
by Demerzels-lab
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.
crypto-wallet
by Demerzels-lab
Multi-chain cryptocurrency wallet management. Check balances, send tokens, view transaction history across Ethereum, Solana, Bitcoin and more.
okx
by Demerzels-lab
OKX exchange integration. Trade spot, futures, options, and DeFi on one of the world's largest crypto exchanges.
binance
by Demerzels-lab
Binance exchange integration. Trade spot, futures, and manage portfolio on the world's largest crypto exchange.
metaplex
by metaplex-foundation
Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches. Use when working with Token Metadata, Core, Bubblegum, Candy Machine, Genesis, or the mplx CLI.
Prompt Optimization Analyzer
by DNYoussef
Context Cascade - Nested Plugin Architecture for Claude Code Official Claude Code Plugin Version 3.1.0 Last updated: 2026-01-09 (see docs/COMPONENT-COUNTS.json for source counts) Context-saving nested architecture: Playbooks -> Skills -> Agents -> Commands. Load only what you need, saving 90%+ context space.