Is HOL Guard safe to use?

HOL Guard has an HVTrust score of 92.2/100 (Grade A), ranked #7 of 1343 tracked AI agent projects. This score reflects verifiable supply-chain integrity, transparency, maintenance, and adoption signals.

What is the trust score for HOL Guard?

HOL Guard scores 92.2/100 on HVTracker's evidence-weighted HVTrust scale. It has 683 GitHub stars and is categorized under Security & Guardrails.

HOL Guard

Repository

Website

Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.

Security & Guardrails Python Listed Apache-2.0

Is HOL Guard safe? Strong public trust posture, backed by multiple independent signals.

OSSF Scorecard 9.6 / 10

Provenance Attested

Signed commits 98%

Last push today

Advisories None known

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In detail: HOL Guard scores 92.2/100 (Grade A), ranked #7 of 1343 tracked open-source AI agent projects, on evidence coverage B (3 of 5 independent signal types). The public evidence: its packages ship with cryptographic provenance; OSSF Scorecard rates its supply-chain practices 9.6/10; 98% of recent commits are signed; no published advisory affects its latest release (hol-guard); last pushed 2026-10-01. Every point is earned from checkable signals — never paid placement. How scoring works →

How HOL Guard compares in Security & Guardrails

Bars show each HVTrust score; the tick marks HOL Guard’s 92.2.

Where the 92.2 comes from

HVTrust dimensions vs the Security & Guardrails average

92.2 / 100 · 100.0% confidence

HOL Guard Security & Guardrails average (22 agents)

Safety / Integrity50% OSSF Scorecard · 30% provenance · 20% signed commits

24.4 / 25

13.9 above avg 10.5

Identity / Provenance60% listing status · 40% build provenance

18.0 / 18

5.9 above avg 12.1

Transparency50% declared license · 50% OSSF Scorecard

16.7 / 17

3.9 above avg 12.8

Maintenance60% last-push freshness · 40% commit activity

20.0 / 20

4.4 above avg 15.6

AdoptionLog-scaled stars · package downloads

12.1 / 20

2.1 above avg 10.0

Quick Trust Read

What Would Improve It

Improve adoption to lift the weakest part of the trust profile.

Recent Changes

2026-09-23

Tool Surface Changed

Detected tool/plugin surface changed: none → extension-based

2026-09-23

Provider Added

Runtime surface grew — new detected provider dependencies: Anthropic, Google Gemini, Multi-provider (LiteLLM)

2026-09-23

Mcp Status Changed

Detected MCP server support changed: none → implemented

Maintainer Checklist

Keep signals current Trust posture is already in a healthy range. The main job is to keep provenance, maintenance, and public evidence fresh.

Compare with DvalinCode Get email alerts for HOL Guard View Security & Guardrails Report missing data

76.7

Activity sub-score · out of 100

In Security & Guardrails

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption. Grade A reflects the trust score band: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Evidence coverage B is separate — it grades how many independent signal types back the score (3 of 5), so a high score on thin evidence stays visible. Full methodology →

Rank Trend

2026-09-29 2026-09-30

Activity & Reach

Stars

683

Forks

118

Last Push

2026-10-01

today

Commits (4 wk)

760

Downloads (7d)

9,147

pypi

HN mentions (30d)

—

Open Issues

Rank Change

was #7

Analysis

Activity Inputs

76.7 / 100

StarsRepository reach

17.0 / 30

FreshnessLast push recency

25.0 / 25

ActivityRecent commits

25 / 25

CommunityFork signal

9.7 / 20

Supply Chain Trust

Package Provenance

Verified

pypi attestation

OSSF Scorecard

9.6 / 10

OpenSSF Scorecard · scanned Sep 30, 2026

Signed Commits

98%

of last 100 commits verified

Binary-Artifacts 10

Branch-Protection 8

CI-Tests 10

CII-Best-Practices 5

Code-Review 10

Contributors 10

Dangerous-Workflow 10

Dependency-Update-Tool 10

Fuzzing 10

License 10

Maintained 10

Packaging 10

Pinned-Dependencies 9

SAST 9

Security-Policy 10

Signed-Releases 10

Token-Permissions 10

Vulnerabilities 10

Common questions about HOL Guard

Public supply-chain signals for HOL Guard are strong: it has multiple independent trust indicators in place. This does not replace your own security review, but HOL Guard carries less obvious unverified-evidence risk than projects with thin signals.

Does HOL Guard publish package provenance?

Yes. HOL Guard's package releases carry build provenance attestations, which cryptographically link the published package back to its source repository and CI workflow.

Does HOL Guard have an OpenSSF Scorecard?

HOL Guard has an OpenSSF Scorecard score of 9.6/10. The Scorecard checks for branch protection, signed releases, dependency updates, fuzzing, code review, and other supply-chain hygiene items. See the full check breakdown on this page.

Is HOL Guard actively maintained?

Actively maintained. The repository was pushed to within the last 1 day(s).

What license does HOL Guard use?

HOL Guard ships under Apache-2.0. A declared, OSI-approved license is one of the transparency signals HVTrust scores.

Are HOL Guard's commits signed?

98% of the last 100 commits to HOL Guard are verified-signed (GPG, SSH, S/MIME, or GitHub's signing flow). Signed commits help confirm that code was authored by who the commit claims.

Not a safety endorsement. HVTracker describes what public signals show, not whether a project is safe for your use case. Run your own security review before adopting in production.

Compare HOL Guard head-to-head

HOL Guard vs DvalinCode → HOL Guard vs REA → HOL Guard vs Guardrails AI →

AI agent surface

MCP, providers, tool surface

Scored in HVTrust

These runtime-trust fields — detected from public repo docs and manifests — contribute a bounded adjustment to this project's HVTrust score alongside supply-chain evidence. The exact values each field can add or subtract are documented in the methodology → Compare this surface across every listed agent in the capability matrix →

MCP Server Support

high confidence

Implemented

HOL Guard appears to expose MCP server capabilities.

Detailed evidence is not shown in the public view.

External Service Dependencies

high confidence

3 detected

Public provider/service dependencies detected.

Credential signal: No explicit API-key/config marker detected.

Tool / Plugin Surface

high confidence

Extensions

Extension based plugin/integration surface detected.

Detailed evidence is not shown in the public view.

Package Provenance Drift

high confidence

Match

Published package metadata matches the tracked repo

Detailed evidence is not shown in the public view.

MCP signal live
External deps live
Tool / plugin surface live
Package provenance drift live

How this surface has changed

Detected changes to HOL Guard's runtime surface and supply-chain posture, from daily public-signal snapshots. A change here means our detectors see something different — a genuinely changed capability, or better evidence of an existing one.

2026-09-23

Tool Surface Changed

Detected tool/plugin surface changed: none → extension-based

2026-09-23

Provider Added

Runtime surface grew — new detected provider dependencies: Anthropic, Google Gemini, Multi-provider (LiteLLM)

2026-09-23

Mcp Status Changed

Detected MCP server support changed: none → implemented

2026-09-23

Provenance Added

Package provenance attestation detected

2026-09-08

Mcp Status Changed

Detected MCP server support changed: declared → implemented

2026-09-05

Tool Surface Changed

Detected tool/plugin surface changed: declared → extension-based

2026-09-02

Mcp Status Changed

Detected MCP server support changed: implemented → declared

Maintain HOL Guard?

For maintainers

HVTrust scores HOL Guard from public signals only — we never contact maintainers first. If a signal is wrong, stale, or missing (provenance you publish, a Scorecard you run, signed releases), tell us and we'll review it. Corrections are public and tracked on GitHub.

Submit a correction → Add the trust badge

Reputation Timeline

Signal history

2026-09-23

Tool Surface Changed

Detected tool/plugin surface changed: none → extension-based

2026-09-23

Provider Added

Runtime surface grew — new detected provider dependencies: Anthropic, Google Gemini, Multi-provider (LiteLLM)

2026-09-23

Mcp Status Changed

Detected MCP server support changed: none → implemented

2026-09-23

Provenance Added

Package provenance attestation detected

2026-09-23

Grade Changed

Trust grade D → A

2026-09-23

Rank Moved

Rank rose 604 spots (#613 → #9)

2026-09-23

HVTrust Changed

HVTrust up 58.1pts (33.5 → 91.6)

2026-09-22

Newly Listed

First tracked at rank #613

2026-09-21

Removed From Active Tracking

Removed from active tracking

2026-09-18

Rank Moved

Rank dropped 34 spots (#58 → #92)

2026-09-10

Rank Moved

Rank dropped 27 spots (#27 → #54)

2026-09-08

Mcp Status Changed

Detected MCP server support changed: declared → implemented

2026-09-08

Rank Moved

Rank rose 31 spots (#60 → #29)

2026-09-05

Tool Surface Changed

Detected tool/plugin surface changed: declared → extension-based

2026-09-05

Rank Moved

Rank dropped 12 spots (#44 → #56)

2026-09-02

Mcp Status Changed

Detected MCP server support changed: implemented → declared

2026-09-02

Rank Moved

Rank dropped 16 spots (#27 → #43)

2026-08-16

Newly Listed

First tracked at rank #20

GitHub → Website → PyPI: hol-guard

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Other agents in Security & Guardrails

Data sources
GitHub REST API (repo, commits, stars, forks, license) · PyPI / pypistats (downloads, provenance) · OpenSSF Scorecard CLI
Each agent's signals refresh once daily across 6 staggered batches. Methodology v4.4 · Raw JSON