stijnman/grok-custom-skills · .grok/skills/skill-marketplace-installer/SKILL.md

skill-marketplace-installer skillA

skill-marketplace-installer is agent-read markdown (skill) from stijnman/grok-custom-skills: Safely search and install agent skills from public marketplaces with explicit user consent and security checks. Use for: find skill, install skill, skill marketplace, check skill safety..

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.

How to install

Latest version
mdr add stijnman/grok-custom-skills/skill-marketplace-installer@v1.1.0
Exact content
mdr add stijnman/grok-custom-skills/skill-marketplace-installer@sha256:4f5f2deb2ccf171c

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_g2loabpuwqg5mmau.svg)](https://markdownregistry.com/a/art_g2loabpuwqg5mmau)

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Versions

versioncommittedcommitsizeaudit
v1.1.0 latest2026-08-14 80f2e55 2,523 BA view · diff
v1.1.02026-08-14 abe185a 2,538 BA view · diff
v1.0.02026-06-24 5c9866b 2,620 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 (2523 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

stijnman/grok-custom-skills · 10 stars · license MIT · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_g2loabpuwqg5mmau
GET https://markdownregistry.com/api/v1/resolve?ref=stijnman/grok-custom-skills/skill-marketplace-installer
GET https://markdownregistry.com/api/v1/blob/4f5f2deb2ccf171c5b6648d294b2064563e627c6d2d50f28931dbcf42fc2bbe5

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.