Training Search Agents with GRPO

Hands-on introduction to reinforcement learning by training a search agent with group-relative policy optimization (GRPO), with open rollouts, code, and reward-design lessons for LLM search.

Tutorial · AI · LLMs · Machine Learning · Research

AI-generated posters don’t have to be horribleA practical workflow for event posters that don’t look like every other AI flyer

John Hartnup shows how to stop AI event posters looking identical: constrain composition, type, and color with concrete prompts and layout rules so the result still looks designed rather than generically generated.

Tutorial · AI · Design · Productivity · User Experience

Giving Your Home AI Agent Real Tools: MCP Servers on a Mac mini M6

A walkthrough of the MCP servers James M runs on a Mac mini M6—filesystem, email, calendar, notes, home automation—and the permission choices that keep an always-on home agent from becoming a liability.

Tutorial · AI Agents · AI · Developer Tools · Security