Developer Builds Local AI Platform to Detect and Fix Smart Contract Vulnerabilities

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A developer has created SmartContractGuardian (VLD), an open-source AI-powered platform designed to identify and remediate security flaws in Solidity smart contracts. The tool combines static analysis, Retrieval-Augmented Generation (RAG), and multi-agent reasoning to provide more accurate and explainable vulnerability detection than either approach alone. A key design choice was keeping the AI pipeline fully local using Ollama and Qwen2.5-Coder 7B, so sensitive contract code is never sent to external cloud services. The system follows a multi-stage workflow that includes independent verification by a second AI agent, optional exploit validation via Foundry, and automated generation of a more secure revised contract. The project is publicly available on GitHub for developers seeking a privacy-preserving alternative to cloud-based smart contract auditing tools.

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