Author

Mert Batur

Co-Founder, Techsy.io

Articles by Mert Batur

236 articles

  1. Context Engineering: The Complete Guide [2026]

    · 18 read

    Context engineering goes beyond prompt engineering to design the entire information environment an LLM receives. This guide covers the core techniques, AI agent patterns, coding agent context files, and security risks you need to know.

  2. AI Agent Memory: Types, Architecture & Code Examples [2026]

    · 18 read

    AI agents without memory forget everything between requests. This guide covers the 5 memory types, compares 6 frameworks (Mem0, Zep, Letta), includes Python code examples, and shows how to build production memory architectures.

  3. Playwright vs Cypress vs Selenium: The Honest Pick for 2026

    · 22 read

    Playwright runs tests 2x faster than Cypress, costs nothing for parallelization, and supports more browsers out of the box. But Cypress still has the best interactive debugging, and Selenium owns the enterprise Java world. Here's the honest breakdown with code, benchmarks, and verdicts from a team that evaluates test frameworks for real projects.