Claude Can Now Build Its Own Harness... For Every Task

In this video I explain why using one coding harness (like Claude Code/Codex) for all knowledge work breaks down as the context window fills, leading to agentic laziness, self-preferential bias, and goal drift. I show how dynamic workflows solve this by splitting work into clean contexts via a JavaScript workflow that can spawn agents, run them in parallel, and use pipelines, choose models, resume after interruption, and optionally isolate work trees.

Anthropic Blogpost: https://claude.com/blog/a-harness-for-every-task-dynamic-workflows-in-claude-code
Dynamic Workflow: https://youtu.be/WnmVGVOPtrA

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00:00 Why One Harness Fails
02:58 Static vs Dynamic Example
03:53 Anthropic Patterns Overview
04:19 Pattern Classify and Act
04:52 Pattern Fan Out Synthesize
05:29 Pattern Critic and Rubric
06:08 Pattern Generate and Filter
06:44 Pattern Tournament Bracket
07:36 Pattern Loop Until Done
12:03 Design Considerations and Costs

Видео Claude Can Now Build Its Own Harness... For Every Task канала Prompt Engineering