hashgraph-online/hol-guard
Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.
hol-guard is an open source Python project by hashgraph-online, created in March 2026. It has 1,000 stars and 215 forks on GitHub and is released under the Apache-2.0 license. Its most recent commit was on Oct 26, 2026, and it has 28 open issues. Its GitHub topics include mcp, security, agent-security, and ai-agent-security. On FindOpenSource.dev it is listed under Security & Privacy.
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