{"product_id":"master-defi-security-10-smart-contract-bug-classes-guide","title":"Master DeFi Security: 10 Smart Contract Bug Classes Guide","description":"\u003ch3\u003eMaster DeFi Security: 10 Smart Contract Bug Classes Guide\u003c\/h3\u003e\n\n\u003cp\u003eThis AI agent skill is a comprehensive guide designed for developers and teams involved with DeFi smart contracts. The guide provides a systematic reference for identifying and understanding ten critical bug classes within DeFi protocols. Each class includes details such as root causes, vulnerable code segments, fixes, grep patterns, and real examples of vulnerabilities addressed.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this skill does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOffers a complete reference for ten specific DeFi smart contract bug classes.\u003c\/li\u003e\n  \u003cli\u003eSupports detection of vulnerabilities related to accounting state desynchronization, access control, incomplete paths, off-by-one errors, oracle manipulation, ERC4626 vault-related issues, reentrancy, flash loans, signature replay, and proxy\/upgrade bugs.\u003c\/li\u003e\n  \u003cli\u003eIntegrates identifiable patterns to aid in vulnerability detection using AI coding agents such as Claude Code, Cursor, and Codex.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it is for\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDevelopers tasked with securing DeFi smart contracts.\u003c\/li\u003e\n  \u003cli\u003eSecurity specialists involved in defensive research and authorised security testing.\u003c\/li\u003e\n  \u003cli\u003eEngineering teams seeking structured guidance on vulnerability identification using AI agents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDevelopers can leverage this guide to understand and rectify vulnerabilities in smart contracts.\u003c\/li\u003e\n  \u003cli\u003eSecurity researchers can efficiently identify and document patterns and potential exploits specific to DeFi protocols.\u003c\/li\u003e\n  \u003cli\u003eDevelopment teams can integrate the guide within AI coding agents for automated vulnerability detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with AI agent platforms: Claude Code, Cursor, Codex.\u003c\/li\u003e\n  \u003cli\u003eDetails 10 specific bug classes including real world examples and patterns for detection.\u003c\/li\u003e\n  \u003cli\u003eFor authorised security testing, defensive research and educational use only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis guide aids in the structured identification and understanding of DeFi vulnerabilities, thereby supporting the development and maintenance of more secure smart contracts.\u003c\/p\u003e\n\u003c!-- mcpcart:static-blocks:start --\u003e\n\u003chr\u003e\n\u003ch3\u003eSource \u0026amp; Licence\u003c\/h3\u003e\n\u003cp\u003eThis package is built on open-source work published by \u003cstrong\u003eOlaradiallysymmetrical491\u003c\/strong\u003e (\u003ca href=\"https:\/\/github.com\/Olaradiallysymmetrical491\/web3-bug-bounty-hunting-ai-skills\" rel=\"nofollow noopener\" target=\"_blank\"\u003eOlaradiallysymmetrical491\/web3-bug-bounty-hunting-ai-skills\u003c\/a\u003e) and distributed under \u003cstrong\u003eMIT\u003c\/strong\u003e. The original licence text and copyright notice are included in your download.\u003c\/p\u003e\n\u003cp\u003ePersonal and commercial use, modification and redistribution are permitted, provided the original copyright and licence notice are retained.\u003c\/p\u003e\n\u003cp\u003eYour purchase covers curation, licence verification, packaging, documentation and instant delivery. It does not grant exclusive rights to the underlying open-source code, which remains available under its original licence.\u003c\/p\u003e\n\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e instant — a secure download link is emailed to you as soon as payment is confirmed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e ZIP archive containing the skill files, documentation and the original licence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport:\u003c\/strong\u003e \u003ca href=\"mailto:support@mcpcart.com\"\u003esupport@mcpcart.com\u003c\/a\u003e — we aim to reply within 2 business days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdates:\u003c\/strong\u003e updates are included only where stated on this page.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRefunds\u003c\/h3\u003e\n\u003cp\u003eThis is a digital product delivered immediately after purchase. By completing your order you request immediate delivery and acknowledge that, once the download has been accessed, the statutory right to cancel no longer applies to the extent permitted by law. Refund requests are handled in accordance with our published Refund Policy.\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#666;\"\u003eClaude, Codex, Gemini and Cursor are trademarks of their respective owners. MCP Cart is an independent marketplace and is not affiliated with, endorsed by, or sponsored by any of them. Compatibility references describe interoperability only.\u003c\/p\u003e\n\u003c!-- mcpcart:static-blocks:end --\u003e","brand":"MCP Cart","offers":[{"title":"Default Title","offer_id":52983977476407,"sku":"MCP-OLARADIALLYSYMMETRICAL491-WEB3-BUG-BOUNTY-HUNTING-AI-SKILLS-WEB3-BUG-CLASSES","price":27.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3950\/4951\/files\/muanLt1ZyP-4qfs3UHxKY_155b1f7cde4443c2bd284803e3639c97.jpg?v=1789293879","url":"https:\/\/mcpcart.com\/products\/master-defi-security-10-smart-contract-bug-classes-guide","provider":"SPF PRO","version":"1.0","type":"link"}