AI Agent Security
HOL Guard
Open-source antivirus for AI agents
About HOL Guard
HOL Guard is an open-source, local-first runtime security layer for AI agents and automation. It sits between any AI harness and the tools it wants to run, pausing risky package installs, secret reads, shell commands, and MCP changes for review before execution. Guard supports Codex, Claude Code, Cursor, Gemini, Hermes, OpenClaw, Pi, Kimi, Grok, and other harnesses. Teams can add Guard Cloud for shared policy, fleet visibility, approvals, and evidence while enforcement continues locally on each machine.
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Hi! I’m Michael Kantor, President of HOL. We’re an open standards consortium for AI agents, with 20+ specifications contributed through LF Decentralized Trust and more than 37M transactio