What is lieflat-xhs-cover?

A design skill for creating Xiaohongshu (小红书) cover images and first-image title cards in a supplied visual style pack.

Use it to make Chinese social-media covers, post openers, thumbnails, and title cards for AI, product, or brand topics.

It helps produce title-first 3:4 social graphics that remain recognizable when shown as small thumbnails.

lieflat-xhs-cover — Skill for Claude Code by larashero3-dotcom

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add larashero3-dotcom/lieflat-html-design --skill lieflat-xhs-cover

Clone the repo

git clone --depth 1 https://github.com/larashero3-dotcom/lieflat-html-design

Made for: Claude Code.

Or install lieflat-html-design, the plugin that ships this one along with the rest of its 4 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/larashero3-dotcom/lieflat-html-design/lieflat-xhs-cover/github.svg)](https://agentmods.dev/skills/larashero3-dotcom/lieflat-html-design/lieflat-xhs-cover)

Your own site

<a href="https://agentmods.dev/skills/larashero3-dotcom/lieflat-html-design/lieflat-xhs-cover"><img src="https://agentmods.dev/badge/skills/larashero3-dotcom/lieflat-html-design/lieflat-xhs-cover/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/larashero3-dotcom/lieflat-html-design/lieflat-xhs-cover"><img src="https://agentmods.dev/badge/skills/larashero3-dotcom/lieflat-html-design/lieflat-xhs-cover.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 701 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00064	$0.00701
Opus 5	$0.00032	$0.00351
Sonnet 5	$0.00013	$0.00140
Haiku 4.5	$0.00006	$0.00070

Measured 12d ago against content hash 794383c8eac0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

lieflat-xhs-cover scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

The scan reads SKILL.md. This mod also ships 8 executable files (scripts/audit-assets.mjs, scripts/audit-languages.mjs, scripts/capture-screenshots.mjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/lieflat-xhs-cover/SKILL.md · 61 lines

How it starts

The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Lieflat XHS Cover

What This Skill Does

Create one Xiaohongshu cover / first image. The output is a title-first 3:4 image designed for quick recognition, not a longform article and not a slide deck.

Before choosing a style, read:

assets/catalog.json
references/style-understanding.md

Use assets/templates/<template-id>/zh.html as a starter. Copy it into the user's workspace before editing.

Core Rules

The title is the product. Make it legible at thumbnail size.
Use a short subtitle, verdict, or hook only when it sharpens the title.
One visual anchor is enough. Do not fill the cover with body paragraphs.
Default to Chinese visible copy unless the user explicitly requests another language.
Do not write 小红书封面 as visible copy unless the user explicitly asks for that label.
Treat xhs-cover-story-field as a low-frequency style. Do not choose it by default for ordinary AI/product/brand covers, hot takes, tutorials, or generic post openers. Use it only when the user explicitly asks for Story Field / 故事集, or when the cover needs an archival, cinematic, route-map, place/person, or project-field-report mood.
Preserve the chosen style's atmosphere while keeping the cover simple.
Do not mix template systems. If switching from one cover style to another, start again from the new style's starter HTML instead of carrying over the previous template's DOM, class names, layout modules, CSS variables, or decorative blocks.

Canvas And Export

CSS canvas: 600px × 800px, 3:4.
Default export: 1200px × 1600px PNG with deviceScaleFactor: 2.
Title baseline: around 44-72px, Chinese line-height around 1.05-1.2.
Subtitle baseline: around 19-24px.
Metadata baseline: around 10-16px.

After creating the HTML, run:

node scripts/capture-xhs-card.mjs --html <path-to-html> --out <path-to-cover.png>

Workflow

Read assets/catalog.json and references/style-understanding.md.
Select one cover style.
Copy the chosen starter into the project. For each alternate style or revision that changes style family, copy a fresh starter for that target style.
Rewrite the user's topic into a compact cover title and optional subtitle.
Replace title, metadata, footer, labels, and visual hook.
Remove article paragraphs or demo-only blocks.
Export PNG and inspect thumbnail readability.

Read the full file on GitHub · 61 lines

Files

What ships with it

23 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

12d ago First seen · 61 lines · 64 tokens per session scan A 794383c8eac0

Subscribe to this mod's changes

lieflat-xhs-cover is a skill published in the GitHub repository larashero3-dotcom/lieflat-html-design (86 stars, last pushed 3mo ago), licensed MIT. It adds 64 tokens to every session and 701 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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