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AI Engineering

Hands-on AI development — building AI agents, LLM tools, MCP servers, agentic apps, and deployment, plus the latest in artificial intelligence and machine learning.

74 guides~1.1 hrs totalupdated Jun 22, 2026

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12 on this page
BeginnerOAuth 2.1 in Plain English: A Primer for Developers (2026)An OAuth 2.1 primer in plain English: access tokens, scopes, the client–server–authorization flow, and how it protects an API or MCP server from anyone.4 minBeginnerPytest and CI: A Primer for Testing AI Agents (2026)A pytest and CI primer: write a first test, run it, and wire it into GitHub Actions so every pull request is checked automatically — explained for beginners.4 minBeginnerPython Type Hints: A Primer for Reading AI Agent Code (2026)A Python type hints primer for reading AI agent code: function hints, Optional, Union, TypedDict for message lists, and how frameworks use them.5 minBeginnerPython Virtual Environments: venv, pip & uv Primer (2026)A Python virtual environment primer: why venv exists, how to create and activate one, install packages with pip or uv, and avoid the classic setup traps.4 minBeginnerWhich AI Agent Framework Should You Use in 2026?A developer's decision guide to the best AI agent frameworks in 2026 — three questions to confidently pick LangGraph, CrewAI, the OpenAI or Claude SDK.9 minIntermediateAgentic AI in Python: Zero to Production — The Full SeriesThe complete Agentic AI in Python series — six parts that take you from a local LangGraph agent to a deployed, memory-keeping, tool-using, observable app. Start here.1 minBeginnerFrom Scratch to LangGraph: When to Stop Hand-Building AgentsFrom scratch to LangGraph: the four walls that tell you when to use LangGraph instead of a hand-built Python agent loop — and when plain Python is still the right call.5 minIntermediateAI Agent Evals in CI: Block Bad PRs with GitHub ActionsRun AI agent evals in CI: turn your pydantic-evals suite into a test, gate it with GitHub Actions, and block any pull request that drops the agent's score.6 minIntermediateGoogle ADK Tutorial: Build Your First AI Agent in Python (2026)A Google ADK tutorial that fills the setup gap most tutorials skip: go from an empty folder to a running AI agent in Python, with a validation loop and an MCP connection.7 minIntermediateLangGraph Tutorial: Build Your First AI Agent in Python (2026)A LangGraph tutorial for 2026: build your first AI agent in Python with create_agent, then rebuild it as a raw StateGraph so you actually see what's underneath.7 minBeginnerAI Agent Loop in Python: Build a ReAct Agent From ScratchBuild an AI agent loop in Python from scratch: a framework-free ReAct agent that thinks, calls a tool, observes the result, and repeats until the job is done.7 minBeginnerAI Agent Memory in Python: Short-Term Memory From ScratchAdd AI agent memory in Python from scratch: keep the conversation in a messages list, then trim and summarize older turns to fit the model's context window.7 min
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