# Hol-guard

> Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime. Added from the trending feed (owner) on 2026-10-20 with 955 GitHub stars. So far only the licence comes from GitHub; the other facts are unknown until someone checks them.

- Repository: https://github.com/hashgraph-online/hol-guard
- Official docs: https://github.com/hashgraph-online/hol-guard#readme
- Checked: 2026-10-21

## What it replaces
Nothing people pay for: a free tool, listed because people search for it.

## Facts, with sources

| Question | Status | Answer | Source | Checked |
|---|---|---|---|---|
| Runs on my machine? | Confirmed | Yes, CLI and local dashboard; runs without an account | https://github.com/hashgraph-online/hol-guard#readme | 2026-10-21 |
| Code licence | Confirmed | Apache-2.0 | https://github.com/hashgraph-online/hol-guard#license | 2026-10-20 |
| Model weights licence | Confirmed | No separate model weights | https://github.com/hashgraph-online/hol-guard#readme | 2026-10-21 |
| Commercial use | Confirmed | Yes, Apache-2.0 allows commercial use | https://github.com/hashgraph-online/hol-guard/blob/main/LICENSE | 2026-10-21 |
| Paid services needed? | Confirmed | None required; optional paid Guard Cloud adds shared history and team policy | https://github.com/hashgraph-online/hol-guard/blob/main/docs/guard/get-started.md | 2026-10-21 |
| Hardware | Unknown | Not checked yet | none found | - |
| Operating systems | Confirmed | macOS, Linux and Windows (per-OS paths in the get-started guide) | https://github.com/hashgraph-online/hol-guard/blob/main/docs/guard/get-started.md | 2026-10-21 |
| Setup effort | Confirmed | Easy; pipx install hol-guard, then hol-guard init | https://github.com/hashgraph-online/hol-guard#install-hol-guard | 2026-10-21 |

GitHub: 956 stars, 187 forks, last push 2026-10-21, archived: no.
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Source: RepoQuarry (https://repoquarry.dev/projects/hol-guard). Data licence: CC BY 4.0. Quotes are from project documentation and belong to their authors.