majiayu000/spellbook · skills/product-ux-expert/SKILL.md

product-ux-expert skillA

product-ux-expert is agent-read markdown (skill) from majiayu000/spellbook: Product interaction and UX expert. Use when reviewing UI/UX, conducting heuristic evaluations, designing user journeys, applying cognitive psychology principles, or ensuring WCAG 2.2 accessibility compliance..

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 majiayu000/spellbook/product-ux-expert@git:20251218.158e7e4
Exact content
mdr add majiayu000/spellbook/product-ux-expert@sha256:d3e0b940dd713216

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_jivxesewk55bfi4e.svg)](https://markdownregistry.com/a/art_jivxesewk55bfi4e)

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Versions

versioncommittedcommitsizeaudit
git:20251218.158e7e4 latest2025-12-18 158e7e4 14,032 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 (14032 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

majiayu000/spellbook · 280 stars · license MIT · pushed 2026-09-18 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_jivxesewk55bfi4e
GET https://markdownregistry.com/api/v1/resolve?ref=majiayu000/spellbook/product-ux-expert
GET https://markdownregistry.com/api/v1/blob/d3e0b940dd71321660d9ce76a261b9f59951b8e61c0de1c539879ed489ee1daf

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