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tool calling

2 posts tagged tool calling from Building Agentic AI. Practical writing on agentic AI.

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  1. May 26 2026

    Tool Calling From First Principles (Before You Touch LangChain)

    Function calling, demystified. The under-the-hood mental model of how a model "calls a tool," a 40-line runnable example with no framework, the four things that go wrong in production, and when reaching for a framework actually helps.

    · Beginner · 10 min read

  2. May 24 2026

    Build an AI Agent From Scratch in Python, No Framework

    A tutorial that builds a real AI agent in about 150 lines of Python, with no LangChain, no LangGraph, no CrewAI. Just the agent loop, two tools, memory, and bounded autonomy.

    · Beginner · 12 min read