hol-guard
Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.
Protect your computer from risky actions by AI agents with a local security tool that monitors their behavior.
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Free · no card · unsubscribe anytimeOpen-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.
hol-guard has 504 stars on GitHub. It has been forked 24 times. hol-guard is written mainly in Python. It has been in active development since 2026. hol-guard is available under the Apache-2.0 license. Its main topics are agent-security, ai-agent-security, ai-agents, ai-antivirus.
What is hol-guard?
Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.
Is hol-guard open source?
hol-guard is an open-source project. It is released under the Apache-2.0 license.
Is hol-guard free?
Yes. hol-guard is free and open source — you can use, modify and self-host it.
What license does hol-guard use?
hol-guard is available under the Apache-2.0 license.
What language is hol-guard written in?
hol-guard is written mainly in Python.
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