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  1. Guard
  2. AI Security
  3. Labs
Safe labs

Practice the attack without running the attack.

Each lab uses a static simulated trace so developers can learn the pattern without exposing a real repo or executing untrusted code.

Install HOL GuardProtect a team

Safe labs

Practice attack patterns with static simulations. Nothing dangerous executes.

prompt-injection

Prompt injection replay

See how hidden text tries to override your instructions.

Open guide

mcp-tool-poisoning

MCP tool poisoning demo

Inspect a fake MCP tool description before it can mislead an agent.

Open guide

secret-exfiltration

Secret exfiltration drill

Practice spotting a secret read request without exposing real secrets.

Open guide

supply-chain

Supply-chain install check

Walk through a simulated install that tries to change agent trust.

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