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mcp/skillhub

Agent Skill

Hallmark skill

hallmarkNutlope/hallmarkskills/hallmark/SKILL.md

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 Hallmark by name, or uses audit/redesign/study.

31kMIT

always on

61 tokname + description

once used

16,045 tokSKILL.md body

bundled files

106608 KB

installs

65kskills.sh

Install the Hallmark skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/Nutlope/hallmark --skill hallmark

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/Nutlope/hallmark.git /tmp/hallmark
mkdir -p ~/.claude/skills
cp -R /tmp/hallmark/skills/hallmark ~/.claude/skills/hallmark

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

WhenWhat loadsCost
Every sessionName and description61 tok
When the agent uses itThe SKILL.md instructions16,045 tok
Only if opened106 bundled files (608 KB)varies

Until it is used, hallmark costs about 22× less than the median MCP server we measured (1,362 tokens on every turn). Skills vs MCP study

Checks

  • The instructions are over 5,000 tokens, the Agent Skills specification's guideline for SKILL.md.
  • The instructions are over 500 lines; the specification suggests moving detail into reference files.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

  • Hallmark
  • How to use this skill
  • Disciplines that hold across every verb
  • When the brief is a component, not a page
  • What Component-scope keeps from the page flow
  • What Component-scope skips
  • What Component-scope emits
  • Stamp format for component output
  • When in doubt — ask once
  • Design flow (default)
  • 0. Pre-flight scan
  • 1. Design-context gate
  • 2. Pick a macrostructure FIRST
  • 2.5. Check project memory
  • 2.6. Theme route — studied-DNA, catalog, or custom
  • 3. Load the visual ruleset
  • 4. Decide on hero enrichment
  • 5. Preview