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Architecture Diagram

Dark-themed SVG architecture/cloud/infra diagrams as HTML.

技能元数据

SourceBundled (installed by default)
Pathskills/creative/architecture-diagram
Version1.0.0
AuthorCocoon AI (hello@cocoon-ai.com), ported by Hermes Agent
LicenseMIT
Platformslinux, macos, windows
Tagsarchitecture, diagrams, SVG, HTML, visualization, infrastructure, cloud
Related skillsconcept-diagrams, excalidraw

参考:完整 SKILL.md

:::info The following is the complete skill definition that Hermes loads when this skill is triggered. This is what the agent sees as instructions when the skill is active. :::

Architecture Diagram Skill

Generate professional, dark-themed technical architecture diagrams as standalone HTML files with inline SVG graphics. No external tools, no API keys, no rendering libraries — just write the HTML file and open it in a browser.

适用范围

Best suited for:

  • Software system architecture (frontend / backend / database layers)
  • Cloud infrastructure (VPC, regions, subnets, managed services)
  • Microservice / service-mesh topology
  • Database + API map, deployment diagrams
  • Anything with a tech-infra subject that fits a dark, grid-backed aesthetic

Look elsewhere first for:

  • Physics, chemistry, math, biology, or other scientific subjects
  • Physical objects (vehicles, hardware, anatomy, cross-sections)
  • Floor plans, narrative journeys, educational / textbook-style visuals
  • Hand-drawn whiteboard sketches (consider excalidraw)
  • Animated explainers (consider an animation skill)

如果有更专业的技能可用,优先使用。如果没有适合的,此技能也可作为通用 SVG 图表的后备方案 — 输出将带有下述的深色技术美学风格。

基于 Cocoon AI 的 architecture-diagram-generator(MIT 许可)。

工作流程

  1. User describes their system architecture (components, connections, technologies)
  2. Generate the HTML file following the design system below
  3. Save with write_file to a .html file (e.g. ~/architecture-diagram.html)
  4. User opens in any browser — works offline, no dependencies

Output Location

Save diagrams to a user-specified path, or default to the current working directory:

./[project-name]-architecture.html

Preview

After saving, suggest the user open it:

# macOS
open ./my-architecture.html
# Linux
xdg-open ./my-architecture.html

Design System & Visual Language

Color Palette (Semantic Mapping)

Use specific rgba fills and hex strokes to categorize components:

Component TypeFill (rgba)Stroke (Hex)
Frontendrgba(8, 51, 68, 0.4)#22d3ee (cyan-400)
Backendrgba(6, 78, 59, 0.4)#34d399 (emerald-400)
Databasergba(76, 29, 149, 0.4)#a78bfa (violet-400)
AWS/Cloudrgba(120, 53, 15, 0.3)#fbbf24 (amber-400)
Securityrgba(136, 19, 55, 0.4)#fb7185 (rose-400)
Message Busrgba(251, 146, 60, 0.3)#fb923c (orange-400)
Externalrgba(30, 41, 59, 0.5)#94a3b8 (slate-400)

Typography & Background

  • Font: JetBrains Mono (Monospace), loaded from Google Fonts
  • Sizes: 12px (Names), 9px (Sublabels), 8px (Annotations), 7px (Tiny labels)
  • Background: Slate-950 (#020617) with a subtle 40px grid pattern
<!-- Background Grid Pattern -->
<pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse">
  <path d="M 40 0 L 0 0 0 40" fill="none" stroke="#1e293b" stroke-width="0.5"/>
</pattern>

Technical Implementation Details

Component Rendering

Components are rounded rectangles (rx="6") with 1.5px strokes. To prevent arrows from showing through semi-transparent fills, use a double-rect masking technique:

  1. Draw an opaque background rect (#0f172a)
  2. Draw the semi-transparent styled rect on top

Connection Rules

  • Z-Order: Draw arrows early in the SVG (after the grid) so they render behind component boxes
  • Arrowheads: Defined via SVG markers
  • Security Flows: Use dashed lines in rose color (#fb7185)
  • Boundaries:
    • Security Groups: Dashed (4,4), rose color
    • Regions: Large dashed (8,4), amber color, rx="12"

Spacing & Layout Logic

  • Standard Height: 60px (Services); 80-120px (Large components)
  • Vertical Gap: Minimum 40px between components
  • Message Buses: Must be placed in the gap between services, not overlapping them
  • Legend Placement: CRITICAL. Must be placed outside all boundary boxes. Calculate the lowest Y-coordinate of all boundaries and place the legend at least 20px below it.

Document Structure

The generated HTML file follows a four-part layout:

  1. Header: Title with a pulsing dot indicator and subtitle
  2. Main SVG: The diagram contained within a rounded border card
  3. Summary Cards: A grid of three cards below the diagram for high-level details
  4. Footer: Minimal metadata

Info Card Pattern

<div class="card">
  <div class="card-header">
    <div class="card-dot cyan"></div>
    <h3>Title</h3>
  </div>
  <ul>
    <li>• Item one</li>
    <li>• Item two</li>
  </ul>
</div>

Output Requirements

  • Single File: One self-contained .html file
  • No External Dependencies: All CSS and SVG must be inline (except Google Fonts)
  • No JavaScript: Use pure CSS for any animations (like pulsing dots)
  • Compatibility: Must render correctly in any modern web browser

Template Reference

Load the full HTML template for the exact structure, CSS, and SVG component examples:

skill_view(name="architecture-diagram", file_path="templates/template.html")

The template contains working examples of every component type (frontend, backend, database, cloud, security), arrow styles (standard, dashed, curved), security groups, region boundaries, and the legend — use it as your structural reference when generating diagrams.