Home / muthuishere / toolnexus · examples/skills/hello-world/SKILL.md · GitHub

hello-world skillA

hello-world is agent-read markdown (skill) from muthuishere/toolnexus: A tiny example skill. Use when you want to see how skill loading (progressive disclosure) works end to end..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# Hello World Skill

This is the skill body. When the model calls the `skill` tool with
`{ "name": "hello-world" }`, everything below the frontmatter is injected into the
conversation, along with a sampled list of files in this directory.

## Steps

1. Read `scripts/greet.sh` in this skill's base directory.
2. Run it with the user's name.
3. Report the greeting back.

Relative paths (like `scripts/greet.sh`) are resolved against the base directory
printed in the tool output.

Read the whole file at its exact version.

How to install

Latest version
mdr add muthuishere/toolnexus/hello-world@git:20260625.7a0333d
Exact content
mdr add muthuishere/toolnexus/hello-world@sha256:993feea49f5ffb77

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_4su2o3xt42f3r5wi.svg)](https://markdownregistry.com/a/art_4su2o3xt42f3r5wi)

1 badge views in 30 days

Versions

versioncommittedcommitsizeaudit
git:20260625.7a0333d latest2026-06-25 7a0333d 628 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, 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 (628 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

muthuishere/toolnexus · 5 stars · license MIT · pushed 2026-09-23 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_4su2o3xt42f3r5wi
GET https://markdownregistry.com/api/v1/resolve?ref=muthuishere/toolnexus/hello-world
GET https://markdownregistry.com/api/v1/blob/993feea49f5ffb77c188526bc6a551c2180a8c688c1d9d354e4807e4dc51e409

Your agent 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.

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