hci-foundations SKILL.md skillA
hci-foundations from mehranqadirian/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add mehranqadirian/skills/hci-foundations@git:20261104.81fe8aaPins git:20261104.81fe8aa in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- mehranqadirian/skills
- Path
hci/hci-foundations/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261104.81fe8aa, committed Nov 4, 2026
- Size
- 4,403 bytes
- Repository stars
- 13
- License
- none declared
Applies human-computer interaction principles to evaluate or design any interface. Use whenever the user asks for a usability review, UX critique, heuristic evaluation, design justification, or wants to know why a screen feels confusing, mentions Nielsen heuristics, Norman, Shneiderman, Fitts, Hick, cognitive load, affordances or feedback, or asks which HCI principle applies, even if they only say "does this UI make sense?". Produces evidence-based, severity-rated findings and a prioritized…
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
# hci-foundations
The base of the `hci` category. It turns principles into questions you can answer from the actual interface, rates problems by severity and produces a report that tells a team what to fix first.
```
hci-foundations/
├── SKILL.md
├── scripts/
│ └── heuristic_audit.py findings CSV or JSON to a prioritized report (text, md, json)
├── references/
│ ├── principles.md Nielsen 10, Norman, Shneiderman 8, laws of UX, Gestalt, ethics, severity scale
│ └── evaluation-methods.md which method to use, heuristic evaluation, cognitive walkthrough, small tests
└── templates/
├── findings.csv example findings with the right columns
└── heuristic-evaluation-report.md report skeleton
```
## When to use
- Reviewing a screen, flow, prototype or live product for usability
- Explaining why something is confusing, with a named principle and evidence
- Choosing between two design options and justifying the choice
- Planning an evaluation, or preparing findings for stakeholders
- Deciding which platform or concern skill to apply next
## Workflow
…Read the whole file at its exact version.
How to install
mdr add mehranqadirian/skills/hci-foundations@sha256:9dbfad36cdc5d9c8The line at the top of this page pins the label git:20261104.81fe8aa, 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.
[](https://markdownregistry.com/a/art_nsi3yg5ymuof3v5l)
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Versions
The registry has recorded 1 version of this file, committed on Nov 4, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (4403 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
mehranqadirian/skills · 13 stars · license none declared · pushed 2026-11-04 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_nsi3yg5ymuof3v5l GET https://markdownregistry.com/api/v1/resolve?ref=mehranqadirian/skills/hci-foundations GET https://markdownregistry.com/api/v1/blob/9dbfad36cdc5d9c8dd8b0263bad4060a0969604fc7a4d3cdcdadf8ed9ad647e9
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.