HOSTKEY Company blog

The System Prompt defines what the model says; Skills define how to verify it; MCP Tools enable real-world execution. We break down this three-tier architecture using a support bot that validates URLs.

This article explains how S3 object storage works, where it fits best and what limitations you should understand before using it in production.

The server market is heating up again: memory prices are rising by tens of percent, GPUs are in short supply, and cloud providers are preparing to raise rates. We break down what's happening in 2026 and how to avoid overpaying.

An hour in Zoom passes with no action items. This isn't a fluke: video calls have specific cognitive limits that poor organization only exacerbates. We break down why this happens and which simple changes actually work.

Documentation becomes outdated faster than code. We solved this with AI agents and V100 GPUs. It works, but not without nuances.