@cevenif: Using Claude Code or Codex for development, but feel like AI is running wild? This course might be the missing piece you need. There's an open-source course on GitHub called Learn Harness Engineering, which teaches you to establish a controllable workflow framework for AI coding assistants, centered around five core mechanisms...

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GitHub open-source course Learn Harness Engineering teaches you to build a controllable workflow framework for AI coding assistants (e.g., Claude Code, Codex). It includes 12 theory lessons and 6 hands-on projects, covering core mechanisms: instruction, state, validation, scope, and session.

Using Claude Code or Codex for development, but feel like AI is running wild? This course might be the missing piece you need. There's an open-source course on GitHub called Learn Harness Engineering, which teaches you to establish a controllable workflow framework for AI coding assistants, centered around five core mechanisms: Instruction, State, Validation, Scope, Session. Each task becomes traceable, continuable, and verifiable. 12 theory lessons plus 6 hands-on projects, with ready-to-use templates you can directly drop into your projects. You don't need to finish the whole course to stabilize your AI right away. https://github.com/walkinglabs/learn-harness-engineering...
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Learn Harness Engineering

A project-based course on building the environment, state management, verification, and control mechanisms that make AI coding agents work reliably.

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@slashui: I really wish I’d seen this tutorial a year ago. If you’ve ever had an AI coding agent confidently break your codebase, completely forget everything from before when you switch sessions, or tell you "done" without having tested anything… then this project is for you. Learn Harness Engine…

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@FakeMaidenMaker: If you really want to understand how the underlying of AI Agents like Claude Code is built, this open-source project writes one from scratch for you to see. GitHub has garnered 66.5K Stars, and also made it to the Trendshift hot list. The intelligence of an Agent comes from the model itself; what you can do is not "building intelligence"...

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@FakeMaidenMaker: A GitHub open source course called "Learn Harness Engineering" recently made it to the front page of Hacker News (155 points, 5.1k stars). The topic is reliability engineering for AI coding agents—that is, OpenA…

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Learn Harness Engineering is an open source course that systematically organizes the concept of AI coding agent reliability engineering (Harness Engineering) proposed by OpenAI and Anthropic. It includes 12 lectures and 6 projects, aiming to help developers build reliable AI agent environments.