A Python visualizer is a tool that shows you how your code runs, step by step, using pictures and diagrams. It helps you see ...

os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).

FastMCP pioneered Python MCP development, and FastMCP 1.0 was incorporated into the official MCP SDK in 2024. This is FastMCP 2.0 — the actively maintained, production-ready framework that extends far ...

The MCP Interviewer helps avoid violating providers' hard constraints and warns you when you're not following recommended guidance. For example, OpenAI does not allow more than 128 tools in a single ...