The Harness Around the Model

A thread you can test

Prompt Engineering

6 notes move from the word to a real choice at work — understand it first, then decide whether to use it.

READING THREADOPEN
6notes
HOW TO READStart where you are stuck, then follow the evidence and trade-offs

Each note stands alone, or becomes the next step in this thread.

The Harness Around the ModelNo login

THE QUESTION THIS PAGE ANSWERS

ANSWER FIRST

What is Prompt Engineering, and which AI decisions does it change?

Plain-text model + formatting needs = MD as the best choice; step-by-step reasoning why HTML / Word / LaTeX don't work This page keeps the related concepts, common mistakes, and practical notes in one reading thread.

DECISION RULE

First decide whether you are blocked by a definition, a choice, or verification; then choose the closest of the 6 notes below.

TRY NEXT

Start with “Why LLMs Chose Markdown,” then restate the conclusion using your own task.

WATCH FOR

Do not treat every method in a topic as interchangeable. The answer changes with the input, risk, and acceptance bar.

THIS QUESTION THREAD

Put the word back inside the choice it changes.

6 notes
Animation

Why LLMs Chose Markdown

Plain-text model + formatting needs = MD as the best choice; step-by-step reasoning why HTML / Word / LaTeX don't work

The Harness Around the Model 3 min →
Interactive

Markdown Syntax & Rendering Pipeline

Common syntax cheat sheet + live editor + marked.js / markdown-it rendering solutions

The Harness Around the Model 3 min →
Interactive

You Say It, AI Becomes It

Five roles switch in real time; output format control; System Prompt core principles

The Harness Around the Model 3 min →
Interactive

Advanced Prompt Techniques

Few-Shot / CoT / constraints / task decomposition — good vs bad interactive comparison

The Harness Around the Model 3 min →
Interactive

Output Format Trade-offs

Plain text / JSON / Markdown / YAML / XML — scenario fit comparison and trade-offs

The Harness Around the Model 3 min →
Interactive

Streaming Output & Format Pairing

JSON needs full text to parse / MD streams char-by-char / XML renders on tag capture — live demo

The Harness Around the Model 3 min →