Database

Foundry testing framework for Solidity-native smart contract development, testing, and fuzzing

Hardhat development environment for compiling, testing, deploying, and debugging Solidity smart contracts

IPFS and decentralized storage integration for NFT metadata, dApp assets, and on-chain content addressing

You are building low-latency, high-throughput, and low-cost payment channels on top of Bitcoin.

Move is a safe and secure smart contract language designed for resource-oriented programming, powering blockchains like Sui and Aptos. This skill teaches you to define, manage, and interact with on-chain assets and logic using Move's robust type system and ownership model.

Master the NEAR Protocol for building scalable, user-friendly decentralized applications. This skill covers smart contract development with Rust, frontend integration with near-api-js, and understanding NEAR's account model and transaction flow.

This skill covers building, deploying, and interacting with smart contracts on Optimism and other OP Stack chains.

This skill teaches you how to create, manage, and interact with Ordinals inscriptions on the Bitcoin blockchain. You'll learn the core mechanics of attaching arbitrary data to satoshis, enabling unique digital artifacts and BRC-20 tokens directly on Bitcoin.

This skill covers building custom blockchains (parachains) and decentralized applications (dApps) using Substrate, the framework powering Polkadot and Kusama. You learn to leverage its modular architecture for high-performance, interoperable blockchain solutions.

Build and deploy scalable decentralized applications on Polygon's ecosystem, including PoS, zkEVM, and Supernets. Learn to leverage Polygon's low fees and high throughput for EVM-compatible development.

Learn to build high-performance, secure, and scalable on-chain programs for the Solana blockchain using Rust. Master Solana's account model, CPIs, and program-derived addresses to create robust decentralized applications.

Anchor is a framework for Solana smart contract development that simplifies writing secure and robust programs.

Solidity smart contract design patterns for secure, gas-efficient, and upgradeable contracts

This skill covers building decentralized applications and smart contracts on Starknet using the Cairo programming language.

The Graph protocol for indexing and querying blockchain data with subgraphs and GraphQL

Build decentralized applications, smart contracts, and infrastructure on The Open Network (TON). Master the FunC language, Tact, and TON SDKs to create high-performance, scalable dApps leveraging TON's sharded, asynchronous architecture.

Viem and Wagmi libraries for type-safe Ethereum interaction and React-based dApp development

WalletConnect v2 integration for connecting mobile and desktop wallets to dApps across multiple chains

Building and deploying decentralized applications on zkSync Era, a ZK-Rollup for Ethereum. This skill covers leveraging zkSync's EVM compatibility, Account Abstraction, and unique L1-L2 interaction mechanisms for scalable and cost-effective dApps.

Anchor is a framework for Solana smart contract development that provides a set of tools, macros, and an Interface Definition Language (IDL) to simplify writing secure and efficient on-chain programs.

This skill covers the fundamental architecture of Solana's account model, explaining how data is stored, owned, and accessed on the blockchain.

This skill covers the end-to-end process of creating interactive Solana Blinks (Blockchain Links) that enable users to initiate on-chain actions directly from URLs. You learn to define blink metadata, handle dynamic parameters, construct serialized transactions on your backend, and integrate these frictionless interactions into any web or social platform.

This skill covers the secure and efficient implementation of Cross-Program Invocations (CPI) on Solana, enabling your programs to interact with other on-chain programs and protocols.

This skill covers the strategies and technical patterns for interacting with established DeFi protocols on Solana, including Automated Market Makers (AMMs), lending/borrowing platforms, and liquid staking solutions.

This skill covers the end-to-end process of creating, managing, and distributing NFTs on Solana using the Metaplex protocol suite, including Token Metadata, Candy Machine, and Auction House.

The Solana Program Library (SPL) is a collection of audited, on-chain programs maintained by the Solana team.

This skill teaches you how to reduce RPC call volume, improve transaction reliability, handle rate limits, and select appropriate commitment levels for your Solana dApps.

This skill covers using Bankrun for rapid, isolated, and deterministic testing of Solana programs.

The Solana Token Program (SPL Token program) is the official on-chain program for creating, managing, and transferring fungible and non-fungible tokens on Solana.

This skill focuses on strategies and techniques to reduce transaction costs, increase transaction reliability, and improve user experience on Solana by optimizing transaction size, compute unit consumption, and priority fee application.

This skill guides you through the process of setting up and operating a Solana validator, enabling you to participate in network consensus, process transactions, and earn staking rewards.

This skill guides you through the strategic preparation and technical execution required for listing your token on decentralized (DEX) and centralized (CEX) exchanges. You'll learn how to architect smart contracts for compliance, secure initial liquidity, and manage the technical aspects of market entry to ensure a stable and successful launch.

This skill guides you in developing robust tools and systems for managing investor relations within decentralized projects. You will learn to leverage on-chain data for transparency, automate communication workflows, and build trust through verifiable reporting and secure engagement channels. The focus is on implementing technical solutions that foster strong, informed relationships with your project's token holders and stakeholders.

This skill guides you through the end-to-end process of managing an NFT project, from smart contract development and metadata preparation to deployment and post-mint lifecycle. You'll learn to navigate technical execution, infrastructure choices, and community engagement strategies to deliver a successful and secure NFT collection.

This skill guides you through designing and implementing intuitive onboarding experiences for Web3 applications. You'll learn how to bridge the gap between traditional UX and the unique challenges of blockchain, focusing on wallet integration, transaction clarity, and progressive decentralization to convert new users into active participants.

This skill guides you through the strategic design and technical execution of a successful token launch. You'll learn how to architect sustainable tokenomics, implement secure distribution mechanisms, and navigate the complex landscape of community building and regulatory compliance to ensure long-term project viability.

This skill teaches you how to design and implement growth strategies unique to the web3 ecosystem. You'll learn to leverage tokenomics, NFTs, and on-chain mechanics to acquire, activate, and retain users, fostering a vibrant and sustainable decentralized community.

This skill covers the unique strategies and technical implementations required for marketing in the decentralized web3 ecosystem. You'll learn how to leverage on-chain data, smart contracts, and community-centric approaches to build, engage, and grow a project's user base in a transparent and permissionless environment.

This skill equips you to architect and implement strategic web3 partnerships, leveraging blockchain technology for transparent, trustless, and programmable collaborations. You'll learn how to establish on-chain agreements, manage shared resources securely, and integrate partner protocols to unlock synergistic value within decentralized ecosystems.

This skill covers the unique strategies and technical insights required to lead product development in the web3 space. You'll learn how to navigate decentralized ecosystems, design sustainable tokenomics, engage with community-driven governance, and understand on-chain data to build successful dApps and protocols.

This skill guides you in understanding the unique behaviors and needs of decentralized users in Web3. You'll learn how to ethically gather insights from on-chain data and community feedback, translating them into actionable product improvements for dApps and protocols.

This skill covers the extraction, transformation, and loading (ETL) of blockchain data into structured databases or data warehouses. You use this when building scalable analytics platforms, dApps requiring extensive historical data, or custom indexing services that go beyond simple RPC queries, enabling complex analysis and reporting.

This skill enables you to leverage DefiLlama's comprehensive aggregated data for decentralized finance protocols. You utilize this when building applications that require insights into Total Value Locked (TVL), historical protocol performance, yield opportunities, and cross-chain liquidity metrics, providing a standardized view of the DeFi landscape.

This skill enables you to leverage Dune Analytics for querying, analyzing, and visualizing blockchain data using SQL. You use this when building dashboards, creating custom data insights, or integrating on-chain data into applications, transforming raw ledger information into actionable intelligence.

This skill enables you to query, analyze, and visualize vast amounts of blockchain data using SQL. You leverage Flipside Crypto when you need deep, structured insights into on-chain activity, smart contract interactions, or token movements across multiple networks, without the complexity of direct RPC node parsing.

This skill teaches you to analyze, predict, and optimize transaction fees (gas) on EVM-compatible blockchains. You leverage gas analytics to minimize operational costs, improve user experience by ensuring timely transaction finality, and make informed decisions about dApp deployment and interaction strategies, especially during network congestion.

This skill empowers you to leverage Nansen Analytics' proprietary on-chain data and entity labeling for enhanced insights into blockchain activity. You employ Nansen when your applications demand deep, real-time intelligence on market movements, smart money flows, and whale activity, going beyond raw RPC data.

This skill equips you to extract, interpret, and analyze data directly from blockchain ledgers. You use this when building applications that require real-time insights into smart contract state, transaction history, or token movements, providing verifiable and immutable data sources.

This skill enables you to analyze on-chain wallet activity to build comprehensive user profiles. You leverage this when segmenting users, assessing risk, detecting fraud, or personalizing dApp experiences based on a wallet's transaction history, token holdings, and contract interactions.

Dark mode support patterns for email templates across major email clients

Accessible email design patterns for inclusive, standards-compliant email templates

Email deliverability essentials including SPF, DKIM, DMARC, and inbox placement

Email testing workflows using Litmus, Email on Acid, Mailtrap, and other QA tools

Building responsive email templates with the MJML markup language and toolchain

Building email templates with React Email components and rendering pipeline

Responsive email CSS patterns for consistent rendering across clients and devices

Designing and implementing transactional email templates for automated notifications

MVVM and Clean Architecture patterns for structuring scalable, testable iOS applications

Combine framework reactive programming patterns for handling asynchronous events in iOS

Core Data persistence framework for modeling, storing, and querying structured data in iOS apps