hello-world SKILL.md skillB

hello-world from nintendadev/unikit-ai is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add nintendadev/unikit-ai/hello-world@git:20260420.21c67ec

Pins git:20260420.21c67ec in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
nintendadev/unikit-ai
Path
examples/extensions/unikit-ext-hello-v2/skills/hello-world/SKILL.md
Versions recorded
1
Latest version
git:20260420.21c67ec, committed Apr 20, 2026
Size
131 bytes
Repository stars
21
License
MIT

A test skill from an extension (v2).

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

# Hello World v2

This is version 2 of the test skill.

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add nintendadev/unikit-ai/hello-world@sha256:dabe1c5e6c6ccbd0

The line at the top of this page pins the label git:20260420.21c67ec, 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_wgz3cgkd6dfp4zix.svg)](https://markdownregistry.com/a/art_wgz3cgkd6dfp4zix)

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

Versions

The registry has recorded 1 version of this file, committed on Apr 20, 2026.

versioncommittedcommitsizeaudit
git:20260420.21c67ec latest2026-04-20 21c67ec 131 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: Size between 200 bytes and 200 KB (131 bytes)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • 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

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

nintendadev/unikit-ai · 21 stars · license MIT · pushed 2026-11-05 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_wgz3cgkd6dfp4zix
GET https://markdownregistry.com/api/v1/resolve?ref=nintendadev/unikit-ai/hello-world
GET https://markdownregistry.com/api/v1/blob/dabe1c5e6c6ccbd076127af215782e3b53451ddc7af656b61a0826412a0196d0

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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