Solidity

This skill helps developers test Solidity smart contracts using Hardhat and Foundry frameworks. It covers unit testing, integration testing, mainnet forking for realistic testing scenarios, gas optimization analysis, fuzzing for edge cases, and CI/CD pipeline integration for automated testing workflows.

This skill provides comprehensive guidance for implementing NFT standards in Solidity. It covers ERC-721 and ERC-1155 token contracts, metadata best practices (on-chain and IPFS), royalty implementation (EIP-2981), soulbound tokens, dynamic NFTs, and gas-optimized minting with ERC721A.

A comprehensive guide to smart contract security for Solidity developers. Covers critical vulnerabilities like reentrancy, integer overflow, and access control issues, along with secure coding patterns, gas optimization techniques, and testing strategies for blockchain applications.

This skill provides production-ready Solidity smart contract templates for building DeFi applications including staking platforms, automated market makers (AMMs), governance systems, flash loans, and NFT standards. It includes comprehensive security best practices, vulnerability prevention patterns, and testing strategies using Hardhat and Foundry.

Implement DeFi protocols with production-ready templates for staking, AMMs, governance, and lending systems. Use when building decentralized finance applications or smart contract protocols.

Entry Point Analyzer is a security auditing skill for smart contracts. It systematically identifies all state-changing entry points (externally callable functions that modify state) in smart contract codebases across Solidity, Vyper, Solana, Move, TON, and CosmWasm. The skill classifies each entry point by access control level and generates structured audit reports to guide security analysis.

This skill guides Solidity developers through Trail of Bits' 5-step secure development workflow. It helps run Slither security scans, check upgradeability and ERC conformance, generate visual security diagrams, document security properties for fuzzing/verification, and review manual security areas like front-running and DeFi risks.

A comprehensive smart contract development advisor based on Trail of Bits' best practices. It systematically analyzes blockchain codebases to review architecture, check upgradeability patterns, identify common security pitfalls, assess dependencies, and evaluate testing coverage, providing prioritized recommendations for improvement.

This skill systematically assesses codebase maturity using Trail of Bits' Building Secure Contracts framework. It evaluates 9 categories including arithmetic safety, access controls, complexity management, documentation, and testing, producing a detailed scorecard with ratings (0-4) and actionable improvement recommendations.