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Get Started Free →To access Anthropic's official brand identity and style resources, use this skill.
.claude/skills/brand-guidelines-community/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 3% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 13% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -7% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -42% | 0% |
| case-08 | ✗→✓ | ▲ Improved | -62% | 0% |
Compatibility alias of brand-guidelines-anthropic; use that ID for new references when no existing contract requires this one. The full instructions and support files remain local so existing installations continue to work offline. This is one shared procedure, not an additional capability. Preserve the callable ID when an existing manifest or client configuration uses it. Modified in AAS on 2026-09-05; original metadata and license notices are retained.
Use this bundled Anthropic-specific styling reference only when the user requests that brand. It is a local snapshot, not a live authoritative brand-asset service.
Keywords: branding, corporate identity, visual identity, post-processing, styling, brand colors, typography, Anthropic brand, visual formatting, visual design
Main Colors:
#141413 - Primary text and dark backgrounds#faf9f5 - Light backgrounds and text on dark#b0aea5 - Secondary elements#e8e6dc - Subtle backgroundsAccent Colors:
#d97757 - Primary accent#6a9bcc - Secondary accent#788c5d - Tertiary accentUse for an Anthropic-branded artifact explicitly requested by the user. Preserve a different existing brand rather than applying these colors globally. This directory contains instructions and a license, not a styling script or bundled fonts.
For a requested slide, inspect installed fonts, apply the relevant colors in the actual authoring tool and export a preview. If Poppins/Lora are unavailable, disclose the chosen fallback and inspect line wrapping and contrast. Expected result: a reviewable branded draft, not automatic font installation or trademark approval.
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→pass | 30,254 | 34,462 | +14% | 1 | 1 | 0% | 3,940 | 4,074 | +3% | 0 | 0 | — |
case-02 | fail→pass | 53,245 | 31,027 | -42% | 1 | 1 | 0% | 5,752 | 6,484 | +13% | 0 | 0 | — |
case-03 | fail→pass | 23,179 | 19,092 | -18% | 1 | 1 | 0% | 3,703 | 3,453 | -7% | 0 | 0 | — |
case-04 | pass→fail | 27,775 | 86,012 | +210% | 1 | 1 | 0% | 3,615 | 5,353 | +48% | 0 | 0 | — |
case-05 | pass→pass | 25,345 | 12,592 | -50% | 1 | 1 | 0% | 1,604 | 2,829 | +76% | 0 | 0 | — |
case-06 | fail→fail | 5,528 | 3,415 | -38% | 1 | 1 | 0% | 884 | 1,227 | +39% | 0 | 0 | — |
case-07 | fail→pass | 14,773 | 8,718 | -41% | 1 | 1 | 0% | 2,405 | 1,390 | -42% | 0 | 0 | — |
case-08 | fail→pass | 23,830 | 3,083 | -87% | 1 | 1 | 0% | 3,118 | 1,186 | -62% | 0 | 0 | — |
case-09 | fail→pass | 12,886 | 3,152 | -76% | 1 | 1 | 0% | 1,947 | 1,231 | -37% | 0 | 0 | — |
case-10 | fail→pass | 23,102 | 22,947 | -1% | 1 | 1 | 0% | 2,505 | 1,197 | -52% | 0 | 0 | — |
case-11 | pass→pass | 10,162 | 8,430 | -17% | 1 | 1 | 0% | 1,335 | 1,133 | -15% | 0 | 0 | — |
case-12 | fail→pass | 16,521 | 8,074 | -51% | 1 | 1 | 0% | 1,665 | 1,122 | -33% | 0 | 0 | — |
case-13 | pass→pass | 18,761 | 11,667 | -38% | 1 | 1 | 0% | 2,165 | 1,752 | -19% | 0 | 0 | — |
case-14 | fail→pass | 48,139 | 17,960 | -63% | 1 | 1 | 0% | 2,434 | 2,237 | -8% | 0 | 0 | — |
case-15 | fail→pass | 47,284 | 10,560 | -78% | 1 | 1 | 0% | 2,126 | 1,459 | -31% | 0 | 0 | — |
case-16 | pass→pass | 16,009 | 11,298 | -29% | 1 | 1 | 0% | 1,684 | 1,810 | +7% | 0 | 0 | — |
case-17 | pass→pass | 17,308 | 11,031 | -36% | 1 | 1 | 0% | 1,654 | 1,555 | -6% | 0 | 0 | — |
case-18 | pass→pass | 15,663 | 5,303 | -66% | 1 | 1 | 0% | 1,409 | 1,408 | -0% | 0 | 0 | — |
case-19 | pass→pass | 6,310 | 11,452 | +81% | 1 | 1 | 0% | 536 | 1,367 | +155% | 0 | 0 | — |
case-20 | fail→pass | 13,917 | 10,435 | -25% | 1 | 1 | 0% | 962 | 1,264 | +31% | 0 | 0 | — |
case-21 | pass→pass | 10,192 | 9,920 | -3% | 1 | 1 | 0% | 1,081 | 1,524 | +41% | 0 | 0 | — |
case-22 | pass→pass | 15,110 | 3,270 | -78% | 1 | 1 | 0% | 1,254 | 1,158 | -8% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +45 percentage points is the difference between those two pass rates over the 22 comparable cases. 1 case got worse with the skill loaded, and it is included in that figure.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
| Model | Method | Date | Lift |
|---|---|---|---|
| gemini-3.6-flash | verified | 7/28/2026 | +64% |
Other measured skills in the registry, with their headline benchmark lift.