
Learn how Jason Liu uses Codex to preserve context, manage complex projects, and help work continue beyond a single prompt.
The lesson for this story is being written.

In this tutorial, we build OpenHarness from scratch to better understand how a practical agent harness works. We recreate the major building blocks that make an agent system useful, including tool use, typed tool schemas, permissions, lifecycle hooks, memory, skills, context compaction, retry logic, cost tracking, and multi-agent coordination. Instead of treating an agent framework as a black box, we expose the full control flow and watch how the harness receives a user task, lets the model dec

The tokenmaxxing era was brief. We now appear to be entering the era of token rationing.

Figma has revealed some new design and coding product updates at its annual Config conference that aim to help creatives "push their ideas further" and automate tedious tasks with AI. Part of this is a reimagined canvas that's now optimized for full-stack development, according to Figma, bringing teams, AI agents, tools, and materials "together in one place." Notable callouts include coding layers that let you tweak the code of your projects without leaving the Figma Design can
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