https://sankpal-shreyas.github.io/blog/ Security writeups, tooling notes, and ML side-quests. en-us Tue, 23 Jun 2026 00:00:00 GMT Next.js static export https://sankpal-shreyas.github.io/blog/prompt-caching-why-your-hit-rate-is-zero/ https://sankpal-shreyas.github.io/blog/prompt-caching-why-your-hit-rate-is-zero/ Tue, 23 Jun 2026 00:00:00 GMT Prefix caching on LLM APIs: how it actually works, what it costs, and the silent invalidators that quietly bill you full price. ai llm api performance https://sankpal-shreyas.github.io/blog/prompt-engineering-and-context-management-for-devs/ https://sankpal-shreyas.github.io/blog/prompt-engineering-and-context-management-for-devs/ Fri, 05 Jun 2026 00:00:00 GMT What actually works when you use AI for software development, and why most people are leaving a lot on the table. ai productivity engineering tooling https://sankpal-shreyas.github.io/blog/my-pentest-notes-template/ https://sankpal-shreyas.github.io/blog/my-pentest-notes-template/ Fri, 24 Apr 2026 00:00:00 GMT How I structure offensive-security notes, drilled for the HTB CPTS exam. security pentesting htb cpts notes https://sankpal-shreyas.github.io/blog/hello-world/ https://sankpal-shreyas.github.io/blog/hello-world/ Mon, 20 Apr 2026 00:00:00 GMT A short intro to what this blog will cover: security, backend engineering, and ML side-quests. meta