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About

HOL Guard is a local-first runtime security layer for AI agents that watches what an AI assistant is about to do and stops risky actions before they happen. It sits between the agent and the computer, evaluating supported tool calls and local artifacts for threats such as secret and credential exposure, destructive commands, prompt-injection-driven actions, malicious or changed packages, risky MCP configuration, and unsafe plugins, skills, hooks, and settings. Known threats can be blocked automatically, while ambiguous actions are paused for user approval so people remain in control. Guard runs entirely on the developer’s machine, works offline, and does not upload files, prompts, or passwords. Local checks typically complete in under 50 milliseconds and require no changes to existing code or routines. It supports coding agents including Claude Code, Cursor, Codex, Gemini CLI, OpenCode, Hermes, and OpenClaw, with tailored integrations that inspect actions before execution.

About

Vulnify is a runtime authorization service for developers and security teams building AI agents that use tools or APIs. Before a tool runs, the agent sends action metadata—including the agent, action, resource, destination, and record count—and receives an ALLOW, REVIEW, or BLOCK decision with a 0–100 risk score and reasons. Teams can define and test YAML policies through a command-line interface, and add checks using Node.js or Python SDKs, a REST API, or adapters for agent frameworks. Monitor mode records decisions without blocking actions. Fail-closed behavior blocks actions if Vulnify is unavailable unless fail-open is configured. A hash-chained audit log records decisions, and paid plans include human review workflows. Common use cases include governing data exports, external messages, payments, and other agent-initiated actions. Vulnify evaluates action metadata rather than the contents of affected records.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and engineering teams in need of a tool to prevent AI coding agents from exposing secrets, executing destructive commands, or performing other risky actions

Audience

Developers and security teams building AI agents that call tools

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$4.99 per month
Free Version Supported
Free Trial Not Supported

Pricing

Free plan available
Developer: $0/month for 2 agents, 10,000 evaluated events/month, and 7-day event history; no review queue. Team: $99/month for 10 agents and 250,000 events/month. Business: $499/month for 50 agents and 2,000,000 events/month. Prices are in USD, excluding taxes. No annual plan or overage charge. Enterprise pricing and limits are by contract.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

HOL
Founded: 2024
United States
hol.org/guard

Company Information

Vulnify
Brazil
www.vulnify.io

Alternatives

Alternatives

No Alternatives
nono

nono

Always Further
Spawn

Spawn

OpenRouter

Categories

AI Security Supported

Categories

AI Agent Security Supported

Integrations

GitHub Supported
Model Context Protocol (MCP) Supported
Slack Supported
Claude Code Supported
CrewAI Not Supported
Cursor Supported
Gemini CLI Supported
GitHub Copilot CLI Supported
Grok Supported
Jira Not Supported
Kimi Supported
LangChain Not Supported
LangGraph Not Supported
OpenAI Agents SDK Not Supported
OpenAI Codex Supported
OpenClaw Supported
OpenCode Supported
Pi Agent Supported
Vercel AI SDK Not Supported
ZCode Supported

Integrations

GitHub Supported
Model Context Protocol (MCP) Supported
Slack Supported
Claude Code Not Supported
CrewAI Supported
Cursor Not Supported
Gemini CLI Not Supported
GitHub Copilot CLI Not Supported
Grok Not Supported
Jira Supported
Kimi Not Supported
LangChain Supported
LangGraph Supported
OpenAI Agents SDK Supported
OpenAI Codex Not Supported
OpenClaw Not Supported
OpenCode Not Supported
Pi Agent Not Supported
Vercel AI SDK Supported
ZCode Not Supported
Claim HOL Guard and update features and information
Claim HOL Guard and update features and information
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