prompt-engineering SKILL.md skillA

This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.

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

Install it, pinned
mdr add yelmuratoff/exuno/prompt-engineering@git:20261007.95b1395

Pins git:20261007.95b1395 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
yelmuratoff/exuno
Path
example/.ai/src/skills/prompt-engineering/SKILL.md
Versions recorded
3
Latest version
git:20261007.95b1395, committed Oct 7, 2026
First version recorded
Apr 25, 2026
Size
13,747 bytes
Repository stars
17
License
GPL-3.0

Design, debug, and refine prompts for LLM-based coding tools, agents, and pipelines. Use this skill when writing or rewriting a system prompt, agent persona, slash-command body, rule, or skill description; tuning a prompt that produces vague, incomplete, off-format, hallucinated, or over-/under-triggering output; choosing among techniques like XML tags, few-shot examples, role-setting, reasoning steps, or recap; debugging a model that ignores instructions, leaks information, or over-engineers…

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

A workflow and toolbox for writing prompts that steer modern LLMs reliably — system prompts, slash commands, skills, rules, agent personas, and one-off queries.

## Bundled references (load on demand)

- **`references/snippets.md`** — read **when you need a copy-paste prompt fragment** for a recurring concern: anti-overengineering, parallel tool calls, default-to-action / do-not-act, investigate-before-answering, code-review coverage, frontend aesthetics, persistence across context windows, reversibility/safety, verbosity, long-document grounding. ~20 vetted blocks.
- **`references/metaprompting.md`** — read **when a prompt under-performs and the cause is unclear**: full metaprompting template, filtering procedure for the model's suggestions, when to use vs. skip.
- **`references/agent-persona.md`** — read **when designing or auditing the system prompt of an autonomous agent**: identity, autonomy posture, tool-use rules, editing constraints, full Friendly and Pragmatic personality blocks, final-message format, plan discipline.

## Workflow
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add yelmuratoff/exuno/prompt-engineering@sha256:74bd4b6f640ddf11

The line at the top of this page pins the label git:20261007.95b1395, 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_egxfu64msg5vviv6.svg)](https://markdownregistry.com/a/art_egxfu64msg5vviv6)

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

Versions

The registry has recorded 3 versions of this file, between Apr 25, 2026 and Oct 7, 2026, about one every 83 days.

versioncommittedcommitsizeaudit
git:20261007.95b1395 latest2026-10-07 95b1395 13,747 BA view · diff
git:20260530.ceff0fa2026-05-30 ceff0fa 13,763 BA view · diff
git:20260425.aadd1612026-04-25 aadd161 13,614 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 (13747 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

yelmuratoff/exuno · 17 stars · license GPL-3.0 · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_egxfu64msg5vviv6
GET https://markdownregistry.com/api/v1/resolve?ref=yelmuratoff/exuno/prompt-engineering
GET https://markdownregistry.com/api/v1/blob/74bd4b6f640ddf118a9a9fbff2b8e71a0484a2fab42816f50be198dbb29cab5c

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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