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 abhixv/m3-expressive-design-skill --skill m3-expressivegit clone --depth 1 https://github.com/abhixv/m3-expressive-design-skillWrote 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/abhixv/m3-expressive-design-skill/m3-expressive)<a href="https://agentmods.dev/skills/abhixv/m3-expressive-design-skill/m3-expressive"><img src="https://agentmods.dev/badge/skills/abhixv/m3-expressive-design-skill/m3-expressive/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/abhixv/m3-expressive-design-skill/m3-expressive"><img src="https://agentmods.dev/badge/skills/abhixv/m3-expressive-design-skill/m3-expressive.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00077 | $0.02151 |
| Opus 5 | $0.00039 | $0.01076 |
| Sonnet 5 | $0.00015 | $0.00430 |
| Haiku 4.5 | $0.00008 | $0.00215 |
Grade A, and why
m3-expressive 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 11d ago.
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.
The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
What ships with it
60 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.
- README.md 1.3 KB
- references/color-schemes.md 52 KB
- references/color.md 9.0 KB
- references/component-tokens.md 46 KB
- references/components/bars.md 33 KB
- references/components/buttons.md 45 KB
- references/components/containment.md 70 KB
- references/components/fabs.md 29 KB
- references/components/feedback.md 64 KB
- references/components/input.md 61 KB
- references/components/navigation.md 48 KB
- references/expressive-tactics.md 6.5 KB
- references/foundations.md 53 KB
- references/interaction.md 45 KB
- references/layout.md 59 KB
- references/motion.md 4.0 KB
- references/platforms.md 4.4 KB
- references/shape.md 5.7 KB
- references/tokens.md 9.1 KB
- references/transitions.md 26 KB
- references/typography.md 8.7 KB
- references/visuals.md 3.8 KB
- scripts/refresh-component-tokens.js 8.7 KB runs code
- scripts/refresh-m3.js 10 KB runs code
- visuals/building-with-m3-expressive/break-from-the-surrounding-shape-style-to-draw-attention-to-a-particul.png 1140 KB
- visuals/building-with-m3-expressive/expressive-app-bars-toolbars-and-buttons.png 402 KB
- visuals/building-with-m3-expressive/expressive-typography-can-enhance-hierarchy-and-add-personality.png 9503 KB
- visuals/building-with-m3-expressive/group-similar-content-into-informative-groupings.png 783 KB
- visuals/building-with-m3-expressive/material-design.jpg 23 KB
- visuals/building-with-m3-expressive/smaller-shapes-can-result-in-essential-actions-looking-less-important.png 1148 KB
- visuals/building-with-m3-expressive/the-expressive-color-system-can-create-a-wide-range-of-accessible-pale.png 3043 KB
- visuals/building-with-m3-expressive/the-shape-library-has-35-iconic-shapes-which-can-be-used-to-add-visual.png 446 KB
- visuals/building-with-m3-expressive/the-updated-type-scale-includes-new-emphasized-text-styles.png 551 KB
- visuals/building-with-m3-expressive/ungrouped-information-can-blend-together.png 768 KB
- visuals/building-with-m3-expressive/use-contrast-to-emphasize-the-main-takeaway-or-element.png 1350 KB
- visuals/building-with-m3-expressive/without-contrast-elements-can-blend-together.png 1347 KB
- visuals/components_all-buttons/a-button-s-level-of-emphasis-helps-determine-its-appearance-typography.png 24 KB
- visuals/components_all-buttons/a-filled-button-for-a-high-emphasis-actiona-text-button-for-a-low-emph.png 306 KB
- visuals/components_all-buttons/avoid-placing-a-button-below-another-button-if-there-s-space-to-place-.png 53 KB
- visuals/components_all-buttons/buttontoggle-buttonicon-buttontoggle-icon-buttonsplit-buttonstandard-b.png 106 KB
- visuals/components_all-buttons/for-multiple-actions-choose-a-higher-emphasis-button-for-the-more-impo.png 74 KB
- visuals/components_all-buttons/use-a-filled-button-on-its-own-for-a-single-important-action.png 27 KB
- visuals/components_all-buttons/when-using-multiple-buttons-you-can-place-a-text-button-low-emphasis-n.png 74 KB
- visuals/components_all-buttons/when-using-multiple-buttons-you-can-place-an-outlined-button-medium-em.png 76 KB
- visuals/components_app-bars/a-leading-element-and-a-trailing-element-outside-searcha-leading-eleme.png 39 KB
- visuals/components_app-bars/adjust-the-width-of-the-app-bar-orbiter-to-fit-in-a-person-s-field-of-.png 3331 KB
- visuals/components_app-bars/always-align-the-app-bar-orbiter-within-the-bounds-of-nearby-spatial-p.png 370 KB
- visuals/components_app-bars/an-app-bar-s-accessibility-label-can-incorporate-its-ui-text-as-well-a.png 444 KB
- visuals/components_app-bars/an-icon-button-should-be-clearly-labeled-on-the-action-it-takes-like-v.png 442 KB
- visuals/components_app-bars/app-bar-color-roles-used-for-light-and-dark-themes-surfaceon-surfaceon.png 114 KB
- visuals/components_app-bars/app-bars-can-display-one-high-visibility-action-to-boost-its-prominenc.png 214 KB
- visuals/components_app-bars/app-bars-provide-content-and-actions-related-to-the-current-page.png 157 KB
- visuals/components_app-bars/app-bars-show-information-about-the-page-key-actions-and-navigation-ac.png 249 KB
- visuals/components_app-bars/avoid-expanding-the-app-bar-orbiter-beyond-the-adjacent-panel-s-width-.png 3333 KB
- visuals/components_app-bars/avoid-using-custom-color-roles-for-the-search-bar-container-and-search.png 11 KB
- visuals/components_app-bars/baseline-variantsmediumlarge.png 25 KB
- visuals/components_app-bars/center-aligned-app-barleft-aligned-app-bar.png 56 KB
- visuals/components_app-bars/containerheadlinetrailing-iconsleading-icon.png 76 KB
- visuals/components_app-bars/containerheadlinetrailing-iconssubtitleleading-button.png 20 KB
- visuals/components_app-bars/containerleading-buttontrailing-elementsheadlinesubtitle.png 67 KB
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.
- 11d ago First seen · 128 lines · 77 tokens per session scan A 82bf71dff32f
m3-expressive is a skill published in the GitHub repository abhixv/m3-expressive-design-skill (8 stars, last pushed 1mo ago), with no licence file. It adds 77 tokens to every session and 2,151 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 2026-08-31.
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