Is hallmark safe to install?

No critical findings, some security notes. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.

How was this score calculated?

Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.

Is this report current?

It was made from commit 13ac0ec on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.

I wrote this skill. Can I fix the score or have the page removed?

Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

Scan reports · Nutlope/hallmark

hallmark: scan report

Anti-AI-slop design skill for greenfield pages, audits, redesigns, and design extraction from URLs or screenshots. Use when the user asks to build a new app or landing page, wants to redesign something, invokes… An automated scan of this public skill from Nutlope/hallmark: security, token cost, spec and clarity, with every finding and its fix.

Result

Verdict

hallmark

45/100 · grade F

Nutlope/hallmark/skills/hallmark at 13ac0ec

Spec 0 · Efficiency 0 · Clarity 22 · Security 23 (each out of 25)

Always loaded 67 tokens · on trigger 16,569 · on demand 25,410

eff/body-tokens warn · SKILL.md~16569 tokens load every time this triggers. Aim for under 5,000; split into reference files read on demand.
eff/body-lines warn · SKILL.mdSKILL.md body is 554 lines; keep it under 500 and move detail into reference files.
spec/non-portable-keys warn · SKILL.mdNon-spec frontmatter (version). claude.ai and the Skills API reject the upload; move them under `metadata` or drop them.
spec/broken-ref warn · SKILL.md:13References references/structure.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:13References references/structure.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:38References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:38References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:46References references/slop-test.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:46References references/slop-test.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:54References references/responsive.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:54References references/responsive.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:77References design.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:185References design.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:185References design.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:185References design.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:186References design.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:186References design.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:232References references/genres/atmospheric.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:232References references/genres/atmospheric.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:233References references/genres/modern-minimal.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:233References references/genres/modern-minimal.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:234References references/genres/playful.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:234References references/genres/playful.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:236References references/genres/editorial.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:236References references/genres/editorial.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:240References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:240References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:249References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:249References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:266References references/macrostructures.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:266References references/macrostructures.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:266References references/macrostructures/05-workbench.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:298References .hallmark/log.json, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:338References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:338References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:346References .hallmark/log.json, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:346References custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:346References references/custom-theme.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:357References macrostructures.md, which isn't in the skill folder.
spec/broken-ref warn · SKILL.md:357References references/macrostructures.md, which isn't in the skill folder.
and 109 more.

Where it comes from

Source

Fact	Value
Repository	Nutlope/hallmark
Skill folder	skills/hallmark
Stars	30,369
License	MIT
Commit scanned	13ac0ec
Scanned	2026-10-19
Files	25

ProSkills doesn't host or redistribute this skill. Get it from its repository, and check the license before reusing it. Something wrong here? Open an issue for a rescan or removal.

For maintainers

Badge for the README

If you maintain this skill, this badge shows its score and links to this report. Fix findings and the score moves with the next scan.

[![ProSkills scan 45/100](https://proskills.dev/badge?score=45)](https://proskills.dev/reports/nutlope-hallmark)

Alternatives

Scanned alternatives on ProSkills

Skills in the ProSkills catalog that cover similar ground. Every one passes the same scanner before it ships.

FAQ

Questions

Is hallmark safe to install?: No critical findings, some security notes. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.
How was this score calculated?: Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.
Is this report current?: It was made from commit 13ac0ec on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.
I wrote this skill. Can I fix the score or have the page removed?: Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

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