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.
npx skills add yonatangross/orchestkit --skill design-stylecardsgit clone --depth 1 https://github.com/yonatangross/orchestkitWrote 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.
[](https://agentmods.dev/skills/yonatangross/orchestkit/design-stylecards)<a href="https://agentmods.dev/skills/yonatangross/orchestkit/design-stylecards"><img src="https://agentmods.dev/badge/skills/yonatangross/orchestkit/design-stylecards/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.
<a href="https://agentmods.dev/skills/yonatangross/orchestkit/design-stylecards"><img src="https://agentmods.dev/badge/skills/yonatangross/orchestkit/design-stylecards.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Rogue Agent · line 22 Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.Fix: Prevent the skill from modifying its own code, SKILL.md, or configuration files. Treat skill files as read-only at runtime.
- medium Excessive Agency · line 16 Skill selects an external model or provider that may use a different account or billing plan than the operator expects. Undisclosed model switches can cause unexpected cost or quota consumption.Fix: Remove the model/provider override or disclose it prominently and require explicit operator approval before invoking an external coding CLI or billed model.
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 | $0.00086 | $0.01214 |
| Opus 5 | $0.00043 | $0.00607 |
| Sonnet 5 | $0.00017 | $0.00243 |
| Haiku 4.5 | $0.00009 | $0.00121 |
Grade A, and why
design-stylecards 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 yesterday.
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.
How it starts
The opening of the file, as written. The whole thing — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Design Stylecards
Specs beat vibes. A stylecard is a named aesthetic recipe with exact values — the difference
between "add a nice shadow" (reinvented differently every session) and elevation/md (identical
every time, reviewed once, versioned forever).
design-stylecards list # Catalog index
design-stylecards elevation/md # Show one recipe
design-stylecards apply glass/dark to src/components/Panel.tsx
Why declarative recipes
Pipeline skills (design-to-code, design-context-extract) answer how to produce design output.
Stylecards answer what good looks like — as literal values an agent pastes, not adjectives it
interprets. Inspired by MengTo/Skills' stylecard micro-skills (MIT), consolidated into one catalog
to avoid manifest sprawl.
Workflow
1. Resolve the request to a recipe
Read("references/stylecards.md") # The catalog — always read before choosing
# Match the user's intent to ONE recipe by its Use-When line.
# No match → say so and offer the closest two; never freehand values.
2. Show or apply
- Show: print the recipe verbatim — values, Use-When, Avoid. No paraphrasing values.
- Apply: edit the target file using the recipe's exact values. Adapt only the syntax (Tailwind arbitrary class ↔ plain CSS ↔ CSS custom property), never the numbers.
3. Respect the recipe's Avoid block
Every recipe ends with falsifiable Avoid rules (e.g. "never stack two elevation recipes on one element"). Violating an Avoid rule to satisfy a user request requires saying so explicitly.
Catalog index
Full recipes with exact values: references/stylecards.md.
| Recipe | Use when |
|---|---|
elevation/sm md lg |
Layered neutral shadows — compact controls / cards / hero surfaces |
glass/dark |
Frosted glass panel on a dark backdrop |
border/gradient |
1px gradient border without a wrapper hack |
background/mesh |
2–3 hue radial mesh page background |
type/editorial |
Display + body + mono role split with tracking values |
motion/budget |
The four allowed durations + the one-signature-moment rule |
What ships with it
1 file 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.
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.
- yesterday Changed 01e8c600c4cd
- 3d ago Changed 09d7cd7d834f
- 7d ago First seen · 120 lines · 86 tokens per session scan A c4bede3bdf82
design-stylecards is a skill published in the GitHub repository yonatangross/orchestkit (229 stars, last pushed yesterday), licensed MIT. It adds 86 tokens to every session and 1,214 once invoked, about $0.0004 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 2026-09-03.
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