Alister Baroi

Author Archives: Alister Baroi

Beyond the Prompt: AI Agent Design Patterns and the New Governance Gap

If you are treating Large Language Models (LLMs) like simple question-and-answer machines, you are leaving their most transformative potential on the table. The industry has officially shifted from zero-shot prompting to structured AI agent design patterns and agentic workflows where AI iteratively reasons, uses external tools, and collaborates to solve complex engineering problems. These design patterns are the architectural blueprints that determine how autonomous Agentic AI systems work and interact with your infrastructure.

But as these systems proliferate faster than organizations can govern them, they introduce a critical AI agent security risk: By the end of 2026, 40% of enterprise applications will feature embedded AI agents, and those teams will urgently need purpose-built strategies to govern this new autonomous workforce before it becomes the next major shadow IT crisis.

Before you can secure these autonomous systems, you have to understand how they are built. Here is a technical breakdown of the current AI Agent design patterns you need to know, and the specific security blind spots each design pattern creates.

1. The Foundational Execution Patterns

Building reliable AI systems comes down to how you route the cognitive load. Here are the three baseline structural patterns:

A. The Single Agent Continue reading

How to Stub LLMs for AI Agent Security Testing and Governance

Note: The core architecture for this pattern was introduced by Isaac Hawley from Tigera.

If you are building an AI agent that relies on tool calling, complex routing, or the Model Context Protocol (MCP), you’re not just building a chatbot anymore. You are building an autonomous system with access to your internal APIs.

With that power comes a massive security and governance headache, and AI agent security testing is where most teams hit a wall. How do you definitively prove that your agent’s identity and access management (IAM) actually works?

The scale of the problem is hard to overstate. Microsoft’s telemetry shows that 80% of Fortune 500 companies now run active AI agents, yet only 47% have implemented specific AI security controls. Most teams are deploying agents faster than they can test them.

If an agent is hijacked via prompt injection, or simply hallucinates a destructive action, does your governance layer stop it? Testing this usually forces engineers into a frustrating trade-off:

  1. Use the real API (Gemini, OpenAI): Real models are heavily RLHF’d to be safe and polite. It is incredibly difficult (and non-deterministic) to intentionally force a real model to “go rogue” and consistently output malicious tool Continue reading

How AI Agents Communicate: Understanding the A2A Protocol for Kubernetes

Since the rise of Large Language Models (LLMs) like GPT-3 and GPT-4, organizations have been rapidly adopting Agentic AI to automate and enhance their workflows. Agentic AI refers to AI systems that act autonomously, perceiving their environment, making decisions, and taking actions based on that information rather than just reacting to direct human input. In many ways, this makes AI agents similar to intelligent digital assistants, but they are capable of performing much more complex tasks over time without needing constant human oversight.

What is an AI Agent

An AI Agent is best thought of as a long-lived, thinking microservice that owns a set of perception, decision-making, and action capabilities rather than simply exposing a single API endpoint. These agents operate continuously, handling tasks over long periods rather than responding to one-time requests.

AI Agents in Kubernetes Environments

In Kubernetes environments, each agent typically runs as a pod or deployment and relies on the cluster network, DNS and possibly a service mesh to talk to tools and other agents.

Frameworks like Kagent help DevOps and platform engineers define and manage AI agents as first-class Kubernetes workloads. This means that instead of using custom, ad-hoc scripts to manually manage AI agents, Continue reading

How AI Agents Communicate: Understanding the A2A Protocol for Kubernetes

Since the rise of Large Language Models (LLMs) like GPT-3 and GPT-4, organizations have been rapidly adopting Agentic AI to automate and enhance their workflows. Agentic AI refers to AI systems that act autonomously, perceiving their environment, making decisions, and taking actions based on that information rather than just reacting to direct human input. In many ways, this makes AI agents similar to intelligent digital assistants, but they are capable of performing much more complex tasks over time without needing constant human oversight.

What is an AI Agent

An AI Agent is best thought of as a long-lived, thinking microservice that owns a set of perception, decision-making, and action capabilities rather than simply exposing a single API endpoint. These agents operate continuously, handling tasks over long periods rather than responding to one-time requests.

AI Agents in Kubernetes Environments

In Kubernetes environments, each agent typically runs as a pod or deployment and relies on the cluster network, DNS and possibly a service mesh to talk to tools and other agents.

Frameworks like Kagent help DevOps and platform engineers define and manage AI agents as first-class Kubernetes workloads. This means that instead of using custom, ad-hoc scripts to manually manage AI agents, Continue reading