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Anthropic open-sourced the Model Context Protocol (MCP) in November 2024 to fix a scaling problem: every new tool a model reached for needed its own integration, built on direct API calls. Building that integration today involves a decision usually ...

A Python circular import happens when two modules import each other and one of them isn't finished loading yet. Python reports it as an ImportError or an AttributeError, usually with a message about a partially initialized module. In this tutorial,

AI coding agents can read your code, reason about changes, and act on your behalf. To choose the right one, it helps to understand the four common workflow types: integrated development environment (IDE), terminal, pull request (PR), and cloud. In ...

Pyrefly is a fast static type checker for Python that helps you catch type-related issues before running your code. It also includes features for generating type hints and measuring type coverage across a codebase. In this tutorial, you'll use ...

Tutorial hell is an unfortunate reality for many newcomers to Python, and learning how to get out of it starts with understanding why it's so easy to fall into. When you're a beginner, finishing tutorials is addictive! They make learning Python ...

In this quiz, you'll test your understanding of Pyrefly: A Fast Static Type Checker for Python Projects. By working through this quiz, you'll revisit how to catch type errors with pyrefly check, generate type hints with pyrefly infer, and measure ...

In this quiz, you'll test your understanding of MCP vs API Calls: Which Should You Use for Python LLM Apps?. By working through this quiz, you'll revisit how direct API calls and an MCP server each connect the same Python tool to a model, where the ...

In this quiz, you'll test your understanding of How to Get Out of Tutorial Hell. By working through this quiz, you'll revisit why tutorials deliberately narrow a problem, which general skills they leave out, and how analyzing tutorials, writing your ...

In this quiz, you'll test your understanding of Python Circular Imports: Why They Happen and How to Fix Them. By working through this quiz, you'll revisit how sys.modules and partially initialized modules lead to circular imports, how to remove a ...

In this quiz, you'll test your understanding of Exploring AI Coding Agent Workflows. By working through this quiz, you'll revisit the four common agent workflow types, how coding agents loop through reading, reasoning, acting, and evaluating, and ...