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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

Prefactor is a real-time evaluation, observability, and reliability platform for production AI agents. It scores every run the moment it happens for quality, drift, cost, and data risk, then wires those evaluations into action so a failing agent is caught live instead of only appearing on a dashboard afterward. Teams can observe every model call, tool invocation, and decision as structured traces and spans, run LLM-as-judge, technical, qualitative, and custom evaluations on each step, and attach context from GitHub, Linear, Jira, databases, internal APIs, or other sources as ground truth. When a run crosses a defined threshold, Prefactor can block or throttle it, pause a sensitive action, or route it to a person for approval, modification, or rejection before execution, with every decision logged. The CLI discovers agents without a platform migration, while TypeScript and Python SDKs provide native support for LangChain, Claude, Vercel AI, OpenClaw, and LiveKit.

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

AI engineering and platform teams that need to evaluate, monitor, and improve production AI agents for quality, drift, risk, and cost in real time

Support

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

Support

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

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$4.99 per month
Free Version Supported
Free Trial Not Supported

Pricing

$250 per month
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 Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

HOL
Founded: 2024
United States
hol.org/guard

Company Information

Prefactor
Australia
prefactor.tech/

Alternatives

Alternatives

Traccia

Traccia

Algen AI
nono

nono

Always Further
Spawn

Spawn

OpenRouter

Categories

AI Security Supported

Categories

Agentic AI Supported

Integrations

Claude Code Supported
Cursor Supported
GitHub Supported
OpenClaw Supported
Slack Supported
Amazon Bedrock Not Supported
Amazon Web Services (AWS) Not Supported
Code Llama Not Supported
CrewAI Not Supported
Google Workspace Not Supported
Hermes Agent Supported
MongoDB Not Supported
OpenAI Not Supported
OpenAI Agents SDK Not Supported
PagerDuty Not Supported
PydanticAI Not Supported
Render Not Supported
Vercel AI Gateway Not Supported
Vercel AI SDK Not Supported
ZCode Supported

Integrations

Claude Code Supported
Cursor Supported
GitHub Supported
OpenClaw Supported
Slack Supported
Amazon Bedrock Supported
Amazon Web Services (AWS) Supported
Code Llama Supported
CrewAI Supported
Google Workspace Supported
Hermes Agent Not Supported
MongoDB Supported
OpenAI Supported
OpenAI Agents SDK Supported
PagerDuty Supported
PydanticAI Supported
Render Supported
Vercel AI Gateway Supported
Vercel AI SDK Supported
ZCode Not Supported
Claim HOL Guard and update features and information
Claim HOL Guard and update features and information
Claim Prefactor and update features and information
Claim Prefactor and update features and information