AI Engineer. Writing about practical AI implementation, engineering craft, and building systems that work.https://timariyeh.com/https://timariyeh.com/dont-use-model-outputs-in-production/https://timariyeh.com/dont-use-model-outputs-in-production/When you pipe LLM chat responses into production systems, you're using a scratch channel as a delivery mechanism. Tool calls separate reasoning from output and fix the reliability problems you didn't know you had.https://timariyeh.com/github-copilot-cli-underrated/https://timariyeh.com/github-copilot-cli-underrated/I use Claude Code and Codex daily. My instinct was to recommend them to my son. I was wrong.https://timariyeh.com/mcp-is-the-oauth-layer/https://timariyeh.com/mcp-is-the-oauth-layer/The anti-MCP take is a single-user take. The moment your agent serves multiple users accessing their own data on remote services, you need a protocol. MCP is the one.https://timariyeh.com/why-emphasis-works/https://timariyeh.com/why-emphasis-works/Bold text and CAPS in prompts aren't voodoo. They work because of how attention literally functions in transformers. Understanding the mechanism makes you a better prompt engineer.