Tools

Apr 2, 2026 LLM Engineering 34 min read

LLM Engineering (7): Function Calling and Tool Use

JSON-mode vs function-mode vs free-form, parallel tool calls, structured-output guarantees with grammars, error recovery patterns, and the agent loops that survive contact with reality.

Apr 2, 2022 Linux 28 min read

Linux (9): Vim Essentials

Learn Vim by understanding its grammar -- modes, operators + motions, text objects -- not by memorizing shortcuts. A practical, beginner-friendly guide with a one-week practice plan.