hol-guard is an open-source CLI tool designed to protect local AI harnesses by running scanner checks for various AI models, including Codex, Claude, Gemini, and more. It helps developers ensure the security and integrity of their AI environments.
hol-guard is a Security & compliance platforms product. It focuses on protecting local AI harnesses by scanning and checking for vulnerabilities across multiple AI models. hol-guard is an open-source project aimed at AI developers and security engineers. The project is open source (Apache-2.0). It runs on the command line.
Hashgraph Online builds and maintains hol-guard, and the product first shipped in 2026. The project is developed in the open on GitHub with 372 stars and 1.7k commits in the last 90 days. Across PulseGate's embedding index, hol-guard has few near neighbours, marking it as relatively distinct. Among its 4 catalogued features are AI harness protection, scanner checks, and multi-model support.
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