prompt-engineering SKILL.md skillA

prompt-engineering from fabioc-aloha/alex_skill_mall is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add fabioc-aloha/alex_skill_mall/prompt-engineering@git:20260728.80a7ab6

Pins git:20260728.80a7ab6 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
fabioc-aloha/alex_skill_mall
Path
plugins/ai-agents/prompt-engineering/skills/prompt-engineering/SKILL.md
Versions recorded
1
Latest version
git:20260728.80a7ab6, committed Jul 28, 2026
Size
9,469 bytes
Repository stars
5
License
MIT

Craft effective prompts that get the best results from language models.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Prompt Engineering Skill

> Craft effective prompts that get the best results from language models.

## Core Principle

Prompts are programming for probabilistic systems. Clear instructions, good examples, and structured output formats dramatically improve results.

## Prompt Anatomy

```
┌─────────────────────────────────────────┐
│ SYSTEM PROMPT (Role & Constraints)      │
│ "You are a senior code reviewer..."     │
├─────────────────────────────────────────┤
│ CONTEXT (Background Information)        │
│ "The codebase uses TypeScript..."       │
├─────────────────────────────────────────┤
│ EXAMPLES (Few-Shot Learning)            │
│ Input: X → Output: Y                    │
├─────────────────────────────────────────┤
│ TASK (What to Do)                       │
│ "Review this pull request for..."       │
├─────────────────────────────────────────┤
│ FORMAT (Output Structure)               │
│ "Respond in JSON with fields..."        │
└─────────────────────────────────────────┘
```

## Prompting Techniques

### Zero-Shot

Direct instruction without examples:

```
Classify this customer feedback as positive, negative, or neutral:
"The product arrived late but works great."
```
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add fabioc-aloha/alex_skill_mall/prompt-engineering@sha256:822fd895a68708df

The line at the top of this page pins the label git:20260728.80a7ab6, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_db7cybbypbm5le7t.svg)](https://markdownregistry.com/a/art_db7cybbypbm5le7t)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Jul 28, 2026.

versioncommittedcommitsizeaudit
git:20260728.80a7ab6 latest2026-07-28 80a7ab6 9,469 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9469 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

fabioc-aloha/alex_skill_mall · 5 stars · license MIT · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_db7cybbypbm5le7t
GET https://markdownregistry.com/api/v1/resolve?ref=fabioc-aloha/alex_skill_mall/prompt-engineering
GET https://markdownregistry.com/api/v1/blob/822fd895a68708df90989ae6b83e015f3ac841d7a0c14326eb5990cd3ea3e3bc

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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