Notes on Infrastructure AI|Cloud|Security|Networking

Field notes and practical guides from Sebastian Maniak — gateways, agents, Kubernetes, and the systems that keep production running.

AI 17 Aug 2026

How To: Build an AWS Budget SandboxAgent on kagent + Agent Substrate

I already wrote the why — why secure sandbox substrates are the future. This one is the how. Same agent, but from the build side: every object you apply, where …

kagentAgent SubstrategVisor
AI 17 Aug 2026

A GCP Budget SandboxAgent on kagent — and the Value of an Agent That Says "Unavailable"

This is the GCP sibling of my AWS budget SandboxAgent: a gVisor-isolated agent that answers What’s our us-east1 spend this month, and are we over …

kagentAgent SubstrategVisor
AI 17 Aug 2026

A ServiceNow Triage SandboxAgent on kagent — Where Write Tools Belong

Every ITSM demo I’ve ever sat through answers “how many tickets are open.” That’s a COUNT(*). The actual manager question is harder: …

kagentAgent SubstrategVisor
AI 17 Aug 2026

Asking My Home FortiGate Questions: A gVisor SandboxAgent on kagent

My AWS and GCP budget agents read cloud bills. This one reads something with considerably more consequence in my house: the firewall my family’s internet …

kagentAgent SubstrategVisor
AI 17 Aug 2026

An F5 BIG-IP SandboxAgent on kagent: 19 VIPs, 2 Up, and 18 Tool Calls to Find Out Why

The other four agents in this series answer what is the state of things — AWS spend, GCP quota, open tickets, firewall policy. This one answers something …

kagentAgent SubstrategVisor
16 Aug 2026

Why Secure Sandbox Substrates Are the Future of AI Agents

For a couple of years, “AI safety” in production mostly meant content safety: don’t let the model say the wrong thing, leak a prompt, or …

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