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  1. Guard
  2. AI Security
  3. Harnesses
Harness guides

Protect the AI coding tools people actually use.

Each guide explains what the harness can do, what can go wrong, what HOL Guard blocks, and where the limits still are.

Install HOL GuardProtect a team

Harness setup guides

Protect the coding tools your team already uses without forcing everyone to become a security expert.

harness

Codex

Terminal-native coding agent with broad shell reach.

Open guide

harness

Claude Code

Agentic coding harness with MCP and file access.

Open guide

harness

OpenCode

Open-source agent harness for local coding loops.

Open guide

harness

GitHub Copilot

IDE and CLI assistant across code and terminal flows.

Open guide

harness

Cursor

AI-first IDE with repo and terminal context.

Open guide

harness

Gemini CLI

Command-line agent workflow for local projects.

Open guide

harness

Hermes

Agent harness for skill and tool orchestration.

Open guide

harness

OpenClaw

Open agent workspace with pluggable tools.

Open guide
HOL Guard

Public security guidance for teams protecting AI harnesses, MCP servers, skills, prompts, and local tool execution.

Install Guard

AI Security

  • Prompt injection
  • MCP security
  • Supply chain

Resources

  • Trust packet
  • Harness setup
  • Redacted warnings
  • Safe labs

Product

  • Install Guard
  • Pricing
  • Open dashboard