solidity-security

Review Solidity smart contracts for vulnerabilities and secure coding patterns.

Updated Mar 11, 2026

Search Tags:#security #auditing #blockchain #vulnerabilities #smart contracts #solidity #defi

Ready to run

npx skills add https://github.com/hopefulobject/gangilon --skill solidity-security-hopefulobject

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: solidity-security
Source: https://github.com/hopefulobject/gangilon/tree/main/.agents/skills/solidity-security
Command: npx skills add https://github.com/hopefulobject/gangilon --skill solidity-security-hopefulobject

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers write more secure Solidity smart contracts by identifying and mitigating common vulnerabilities, ensuring the integrity and safety of blockchain applications.

Core Features & Use Cases

Vulnerability Prevention: Learn about and implement defenses against reentrancy, integer overflows, access control issues, and front-running.
Secure Coding Patterns: Understand and apply best practices like Checks-Effects-Interactions and Pull Over Push.
Gas Optimization: Discover techniques to reduce transaction costs while maintaining security.
Audit Preparation: Use the provided checklists and documentation examples to prepare for professional security audits.
Use Case: When developing a new DeFi protocol, use this Skill to review your contract code for potential reentrancy flaws and ensure proper access control is implemented before deployment.

Quick Start

Review the provided Solidity code for potential reentrancy vulnerabilities and suggest secure alternatives.

Frequently Asked Questions about solidity-security

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I prevent reentrancy attacks in Solidity smart contracts?▼

To prevent reentrancy attacks in Solidity smart contracts, implement the Checks-Effects-Interactions pattern to update state variables before making external calls. This Skill provides guidance on applying secure coding practices to protect blockchain applications.

What are the best practices for access control in Solidity smart contracts?▼

Best practices for access control in Solidity smart contracts involve implementing proper permission checks to prevent unauthorized access. This Skill helps identify access control bypasses and apply secure patterns to ensure only authorized users execute restricted functions.

How do I optimize gas usage in Solidity while maintaining security?▼

To optimize gas usage in Solidity while maintaining security, apply techniques that reduce transaction costs without introducing vulnerabilities. This Skill offers specific gas optimization techniques that balance operational efficiency with robust smart contract security.

How do I prepare my Solidity smart contracts for a security audit?▼

To prepare your Solidity smart contracts for a security audit, use provided checklists and documentation examples to systematically review your code. This Skill helps verify defenses against front-running and integer overflows, ensuring your blockchain application meets professional standards.

What is the Pull Over Push pattern in Solidity smart contract development?▼

The Pull Over Push pattern in Solidity smart contract development is a secure coding practice where users withdraw their own funds instead of the contract pushing funds to them, mitigating reentrancy risks. This Skill explains how to apply this pattern to secure DeFi protocols.

How do I mitigate integer overflow vulnerabilities in Solidity smart contracts?▼

To mitigate integer overflow vulnerabilities in Solidity smart contracts, apply built-in safe math operations and review code for arithmetic edge cases. This Skill provides comprehensive guidance on identifying overflow risks and implementing defenses to ensure blockchain application integrity.