GitHub Copilot drops four models, Python tutorial builds Claude Code agent, Free GitHub course for coding agents

The daily AI tools briefing for builders. What shipped, what changed, and what it means for the things you are building.

Edition date: 2026-10-06

Chapters:
00:00 GitHub Copilot drops four models, and a subscriber on its older plan says only three will remain
01:19 A Python tutorial builds a Claude Code-style agent harness from scratch with no framework
02:18 A free GitHub course teaches how to build the setup around a coding agent
03:01 jpm, a JavaScript package manager its maker says Claude Code wrote entirely, posts speed claims
04:05 Free Klarion scanner hooks into Claude Code; its developer says it blocks secrets before the file exists

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