--- title: "Mat Banik (@matbanik) | Hashnode" description: "Practical engineering posts: Astro, DevOps, automation scripts, and AI agents. Read the latest articles by Mat Banik on Hashnode." url: "https://hashnode.com/@matbanik" --- @matbanik # Mat Banik @matbanik · Joined December 2025 Practical engineering posts: Astro, DevOps, automation scripts, and AI agents ### [eBay API Setup for an AI Listing Agent](https://matbanik.hashnode.dev/ebay-api-setup-for-an-ai-listing-agent?utm_source=hashnode&utm_medium=feed) eBay API setup for an AI listing agent, in Production. You click six eBay pages and paste three keys. Your agent runs the rest of the steps. 22 min read · [matbanik.hashnode.dev](https://matbanik.hashnode.dev/ebay-api-setup-for-an-ai-listing-agent?utm_source=hashnode&utm_medium=feed) [5d ago](https://hashnode.com/posts/ebay-api-setup-for-an-ai-listing-agent/6af097e5df0dfbacc9ae754a) ### [Fix Your NVIDIA Shield in 7 Minutes](https://matbanik.hashnode.dev/fix-your-nvidia-shield-in-7-minutes?utm_source=hashnode&utm_medium=feed) Fix your NVIDIA Shield by finding the right layer first, doing one short fix, and letting an AI run the long parts from a gist. 10 min read · [matbanik.hashnode.dev](https://matbanik.hashnode.dev/fix-your-nvidia-shield-in-7-minutes?utm_source=hashnode&utm_medium=feed) [Sep 18](https://hashnode.com/posts/fix-your-nvidia-shield-in-7-minutes/6aad2d3700c5a1f346a49f80) ### [Firewall Log Pipeline With Cursor](https://matbanik.hashnode.dev/firewall-log-pipeline-with-cursor?utm_source=hashnode&utm_medium=feed) Build a local firewall log pipeline on Windows with NXLog and SQLite, then let Cursor query it read-only — no SIEM required. 10 min read · [matbanik.hashnode.dev](https://matbanik.hashnode.dev/firewall-log-pipeline-with-cursor?utm_source=hashnode&utm_medium=feed) [Aug 27](https://hashnode.com/posts/firewall-log-pipeline-with-cursor/6a906dd3b26e4dfb2489eb94) ### [AI Coding Agent Guardrails Beat Smarter Models](https://matbanik.hashnode.dev/ai-coding-agent-guardrails-beat-smarter-models?utm_source=hashnode&utm_medium=feed) A reviewer looked at my code and found a bug. One route returned a 500 error when it should have returned a 404. It reported the finding, clearly, with the file and the line. My agent fixed that route 9 min read · [matbanik.hashnode.dev](https://matbanik.hashnode.dev/ai-coding-agent-guardrails-beat-smarter-models?utm_source=hashnode&utm_medium=feed) [Aug 15](https://hashnode.com/posts/ai-coding-agent-guardrails-beat-smarter-models/6a80954e73176b7e9361681d) ### [Reset Windows Update: The Definitive MSP Guide to RWU](https://matbanik.hashnode.dev/reset-windows-update-the-definitive-msp-guide-to-rwu?utm_source=hashnode&utm_medium=feed) RWU replaces ManuelGil's archived Windows Update reset tool with safe defaults, RMM exit codes, and AI-ready diagnostics. 15 min read · [matbanik.hashnode.dev](https://matbanik.hashnode.dev/reset-windows-update-the-definitive-msp-guide-to-rwu?utm_source=hashnode&utm_medium=feed) [May 25](https://hashnode.com/posts/reset-windows-update-the-definitive-msp-guide-to-rwu/6a14dfdc7d85e6a1af1c4d5a)