social-creative-brief

Generates detailed design briefs for social media creative assets. Covers image specs per platform, copy overlay text, color palette, and format specs for stories, carousels, singles, and reel covers.

SKILL.md

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Social Creative Brief

Generates actionable design briefs for social media visual assets. Outputs specs that a designer, Canva MCP, or design tool can execute directly. Covers all major formats across LinkedIn, Instagram, X/Twitter, and Facebook.

Prerequisites

  • agency.config.json populated (agency info, services, case studies)
  • Post content or theme (ideally output from social-content-writer)
  • Optional: brand visual guidelines (colors, fonts, logo)

Phase 0: Intake

Read agency.config.json:

  • agency.name, agency.tagline -- for branding on assets
  • agency.domain -- for watermark/URL placement
  • services[] -- for service-related visuals
  • case_studies[] -- for case study graphics

Accept parameters:

  • format -- (required) one of: single-image, carousel, story, reel-cover, video-thumbnail, banner, infographic
  • platform -- (required) one of: linkedin, instagram, twitter, facebook, multi-platform
  • post_content -- (required) the post text this visual accompanies
  • visual_concept -- (optional) specific creative direction
  • brand_colors -- (optional) override. Default: read from config or use Plasho defaults
  • include_logo -- boolean. Default: true
  • text_overlay -- (optional) specific text to place on the image

Phase 1: Platform Specs

Define exact specs for the target platform:

Image Dimensions

Platform Single Carousel Story Reel Cover Banner
LinkedIn 1200x627 1080x1080 N/A N/A 1584x396
Instagram 1080x1080 1080x1080 1080x1920 1080x1920 N/A
Twitter 1200x675 N/A N/A N/A 1500x500
Facebook 1200x630 1080x1080 1080x1920 N/A 820x312

File Format

  • Static: PNG (transparency) or JPG (photos)
  • Animated: GIF or MP4 (under 15 seconds)
  • Carousel: PDF or individual PNG/JPG per slide
  • Max file size: 5MB per image (Instagram), 10MB (LinkedIn)

Phase 2: Creative Direction

Color Palette

If brand colors not specified, derive from agency identity:

Primary: [hex code] -- used for headlines, CTAs
Secondary: [hex code] -- used for accents, borders
Background: [hex code] -- card/slide background
Text: [hex code] -- body text
Muted: [hex code] -- secondary text, subtle elements

Typography Direction

  • Headlines: Bold, high contrast, readable at mobile size (min 24px equivalent)
  • Body text: Clean, sans-serif, min 16px equivalent
  • Stats/numbers: Oversized, bold, accent color
  • CTA text: Button-style or underlined, primary color

Visual Style

Based on outreach.tone, recommend:

  • Professional/Clean: Minimal layouts, generous whitespace, subtle gradients
  • Bold/Edgy: High contrast, large type, dark backgrounds
  • Friendly/Approachable: Rounded corners, soft colors, hand-drawn elements
  • Data-Driven: Chart-forward, stat callouts, clean grids

Phase 3: Brief Generation by Format

Single Image

DESIGN BRIEF: Single Image
Platform: [platform]
Dimensions: [WxH]
---
Concept: [1-2 sentence visual concept]
Layout: [describe arrangement: text left/image right, centered, etc.]
Background: [solid color / gradient / photo / pattern]
Primary text: "[headline text]" -- [font weight, size guidance, color]
Secondary text: "[supporting text]" -- [font weight, size guidance, color]
Visual element: [icon, illustration, photo description, chart]
Logo placement: [bottom-right / top-left / etc.] -- [size: small/medium]
URL/watermark: [agency.domain] -- [placement, opacity]
CTA element: [button text, color, placement]
Safe zones: Keep text 10% from edges for mobile crops

Carousel (5-10 slides)

DESIGN BRIEF: Carousel
Platform: [platform]
Slides: [N]
Dimensions: [WxH per slide]
---
Slide 1 (Hook):
  Headline: "[scroll-stopping statement]"
  Layout: [centered, bold, minimal]
  Visual: [eye-catching graphic or stat]

Slide 2-N (Content):
  Headline: "[one key point per slide]"
  Supporting text: "[1-2 lines of context]"
  Visual: [icon/illustration/chart supporting the point]
  Consistent elements: [progress dots, slide numbers, brand bar]

Final Slide (CTA):
  Headline: "[action prompt]"
  CTA: "[follow/DM/comment/link]"
  Profile tag: [@handle]
  Logo: [prominent placement]

Story

DESIGN BRIEF: Story
Platform: [platform]
Dimensions: 1080x1920
---
Top zone (0-300px): Logo/branding, small and subtle
Middle zone (300-1400px): Main content area
  Headline: "[large, bold text]"
  Visual: [full-bleed photo, graphic, or solid color]
  Interactive element: [poll, question, emoji slider, quiz]
Bottom zone (1400-1920px): CTA area
  Swipe-up text or "DM for more"
  Keep clear of story controls (bottom 200px)

Reel Cover / Video Thumbnail

DESIGN BRIEF: Reel Cover / Thumbnail
Dimensions: 1080x1920 (reel) / 1280x720 (YouTube)
---
Face/subject: [center-frame, expressive, high contrast]
Text overlay: "[3-5 word hook]" -- large, bold, readable at small size
Background: [blurred video frame / solid color / gradient]
Branding: [small logo, bottom corner]
Contrast: Ensure text readable over any background section

Phase 4: Copy Overlay Specs

For every text element on the visual:

Text element: [identifier]
Content: "[exact text]"
Max characters: [limit]
Font weight: [regular/medium/bold/extra-bold]
Alignment: [left/center/right]
Color: [hex code]
Position: [top-left / center / bottom-right / etc.]
Fallback: "[shorter version if text is too long]"

Phase 5: Output

Return structured JSON:

{
  "brief_type": "carousel",
  "platform": "linkedin",
  "dimensions": "1080x1080",
  "slides": 7,
  "color_palette": {
    "primary": "#1a1a2e",
    "secondary": "#e94560",
    "background": "#f5f5f5",
    "text": "#1a1a2e",
    "muted": "#6b7280"
  },
  "typography": {
    "headline_style": "Bold, 28px equivalent, primary color",
    "body_style": "Regular, 18px equivalent, text color",
    "stat_style": "Extra-bold, 48px equivalent, secondary color"
  },
  "slides_detail": [
    {
      "slide": 1,
      "type": "hook",
      "headline": "Your product pages are costing you 40% of your revenue",
      "visual": "Shopping cart with items falling out, minimal illustration",
      "layout": "Centered text over light background"
    }
  ],
  "brand_elements": {
    "logo": "Bottom-right, 60px height, full color",
    "url": "plasho.com, bottom-center, 12px, muted color",
    "consistent_bar": "4px accent bar at bottom of each slide in secondary color"
  },
  "file_specs": {
    "format": "PNG",
    "max_size": "5MB per slide",
    "color_space": "sRGB"
  },
  "generated_at": "2026-03-13T10:00:00Z"
}

Example Usage

Trigger phrases:

  • "Create a design brief for a LinkedIn carousel about CRO tips"
  • "I need an Instagram story brief for the Kibi Sports case study"
  • "Generate a reel cover brief for a video about Shopify migrations"
  • "Brief a single image for a LinkedIn thought leadership post"
  • "Create carousel slide specs for this post content"
  • "Design brief for a Twitter banner update"