Best Claude skills for diagrams and knowledge graphs
Diagram skills turn ideas, plans and codebases into visuals you can actually read: editorial diagrams, interactive architecture maps and knowledge graphs of a whole repository. Archify, Diagram Design, Graphify and Understand Anything are all viral this year.
44 diagrams skills · ranked live · November 2026
The top 10. Ranked by the Alyn Score.
- 1#1
tt-a1i
Archify
Create validated architecture, workflow, sequence, data-flow, lifecycle/state, ERD, class, tree, timeline, and waterfall diagrams as explorable standalone HTML with dark/light themes…
Pack95k216kScore 85 - 2#2
tt-a1i
Archify Tuning
Improve Archify diagram accuracy, visual quality and complete authoring speed with fewer repairs. Use for generation experiments or evaluating changes to layout, routing, diagnostics…
Pack95k216kScore 85 - 3#3
tt-a1i
Simplify Codebase
Simplification audit or authorized codebase simplification whose stated objective is to remove accidental complexity. Use for evidence-backed deletion or consolidation of dead code…
Pack95k216kScore 83 - 4#4

JimLiu
Baoyu Diagram
Create professional diagrams with configurable dark/light theme via CSS custom properties. Use this skill whenever the user asks for any kind of technical or conceptual diagram…
Pack27k614kScore 82 - 5#5
OpenMontage
Beautiful Mermaid
Render Mermaid diagrams as SVG and PNG using the Beautiful Mermaid library. Use when the user asks to render a Mermaid diagram.
Pack79k116kScore 82 - 6#6

Graphify
Graphify
Use for any question about a codebase, its architecture, file relationships, or project content — especially when graphify-out/ exists, where the question should be treated as a graphify…
146k13kScore 82 - 7#7
Garry Tan
Gstack
Garry Tan
Diagram
Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open on excalidraw.com, and rendered SVG + PNG. (gstack)
Pack141k47kScore 80 - 8#8

cathrynlavery
Diagram Design
Create branded architecture, architecture delta, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant, radar/spider, polar chart (polar/radial…
66k27kScore 80 - 9#9

Egonex-AI
Understand
Analyze a codebase to produce an interactive knowledge graph for understanding architecture, components, and relationships
Pack92k37kScore 80 - 10#10

Egonex-AI
Understand Domain
Extract business domain knowledge from a codebase and generate an interactive domain flow graph. Works standalone (lightweight scan) or derives from an existing /understand knowledge graph.
Pack92k37kScore 80
What makes a great diagrams skill.
Readable layouts with a clear reading order.
Output formats you can edit (SVG, HTML, Mermaid).
Accuracy checks against the real code.
All 44 diagrams skills.
archify
Create validated architecture, workflow, sequence, data-flow, lifecycle/state, ERD, class, tree, timeline, and waterfall diagrams as explorable standalone HTML with dark/light themes…
archify-tuning
Improve Archify diagram accuracy, visual quality and complete authoring speed with fewer repairs. Use for generation experiments or evaluating changes to layout, routing, diagnostics…
simplify-codebase
Simplification audit or authorized codebase simplification whose stated objective is to remove accidental complexity. Use for evidence-backed deletion or consolidation of dead code…

baoyu-diagram
Create professional diagrams with configurable dark/light theme via CSS custom properties. Use this skill whenever the user asks for any kind of technical or conceptual diagram…
beautiful-mermaid
Render Mermaid diagrams as SVG and PNG using the Beautiful Mermaid library. Use when the user asks to render a Mermaid diagram.

graphify
Use for any question about a codebase, its architecture, file relationships, or project content — especially when graphify-out/ exists, where the question should be treated as a graphify…
Garry Tan
Gstack
diagram
Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open on excalidraw.com, and rendered SVG + PNG. (gstack)

diagram-design
Create branded architecture, architecture delta, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant, radar/spider, polar chart (polar/radial…

understand
Analyze a codebase to produce an interactive knowledge graph for understanding architecture, components, and relationships

understand-domain
Extract business domain knowledge from a codebase and generate an interactive domain flow graph. Works standalone (lightweight scan) or derives from an existing /understand knowledge graph.

understand-knowledge
Analyze a Karpathy-pattern LLM wiki knowledge base and generate an interactive knowledge graph with entity extraction, implicit relationships, and topic clustering.
Steph Ango
Obsidian Skills
json-canvas
Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind maps, flowcharts, or when the…

azure-resource-visualizer
Analyze Azure resource groups and generate detailed Mermaid architecture diagrams showing the relationships between individual resources. WHEN: create architecture diagram, visualize Azure…

drawio-skill
Create and edit draw.io/diagrams.net diagrams as editable `.drawio` files. Covers architecture, UML/ERD/sequence, BPMN, network, and swimlane views authored from a description or converted…

excalidraw-use
Places existing images onto an Excalidraw whiteboard, turns a slide deck into clean per-slide images, and inspects a .excalidraw file. Use whenever someone mentions Excalidraw, a…

srt-whiteboard-animation
将 SRT 字幕做成暖米黄纸张底的白板手绘动画:读字幕→输出配图策略→确认后生成统一风格线稿→按叙事语义标注分区→预览台调整→渲染 MP4。编排沿用分区遮罩揭示(annotation.json / sequence / startMs / protectedRegions),但每个区域内的落墨换成 stream 的连续笔迹(骨架/网格 ink→color)。当用户提供 SRT…
product-on-purpose
Pm Skills
discover-journey-map
Maps a customer journey across stages, touchpoints, emotional curve, pain points, and moments of truth into a markdown artifact with an optional mermaid timeline or flowchart. Use when…

archify
Create polished, validated architecture, workflow, sequence, data-flow, and lifecycle/state diagrams as explorable standalone HTML with inline SVG, dark/light themes, optional trace motion…
Owl-Listener
Designer Skills
affinity-diagram
Cluster many qualitative data points into themes and insight statements. Use when synthesising across multiple sessions or sources. For a single transcript use `summarize-interview`; for…
posit-dev
Skills
quarto-authoring
Use when the user is explicitly working with Quarto, .qmd files, _quarto.yml, Quarto projects, or Quarto features such as callouts, cross-references, citations, Mermaid diagrams…
levnikolaevich
Claude Code Skills
ln-25-architecture-diagram-builder
Creates evidence-backed current or target architecture diagrams; not UI design.
oaustegard
Claude Skills
composing-html
Composes single-file HTML artifacts (PR review writeups, status reports, incident postmortems, slide decks, design systems, prototypes, flowcharts, module maps, feature explainers, kanban…

excalidraw-diagram
Generate Excalidraw diagrams from text content. Supports three output modes - Obsidian (.md), Standard (.excalidraw), and Animated (.excalidraw with animation order). Triggers on…

mermaid-visualizer
Transform text content into professional Mermaid diagrams for presentations and documentation. Use when users ask to visualize concepts, create flowcharts, or make diagrams from text…

obsidian-canvas-creator
Create Obsidian Canvas files from text content, supporting both MindMap and freeform layouts. Use this skill when users want to visualize content as an interactive canvas, create mind maps…

diagram-maker
Create standalone SVG/HTML or editable Excalidraw diagrams for concepts, architecture, processes, flows, and whiteboards.

pretty-mermaid
Generate and render Mermaid diagrams for architecture docs, READMEs, PRs, terminals, chats, and CI as themed SVG, PNG, or ASCII/Unicode art. Use this skill whenever the user provides…
coleam00
Excalidraw Diagram Skill
excalidraw-diagram
Create Excalidraw diagram JSON files that make visual arguments. Use when the user wants to visualize workflows, architectures, or concepts.
oaustegard
Claude Skills
charting
Select the right Python charting library (seaborn, matplotlib, graphviz) and produce publication-quality static visualizations. Use when creating charts, plots, graphs, diagrams, heatmaps…
lingzhi227
Agent Research Skills
excalidraw-skill
Programmatic canvas toolkit for creating, editing, and refining Excalidraw diagrams via MCP tools with real-time canvas sync. Use when an agent needs to (1) draw or lay out diagrams on a…
ArtemXTech
Personal Os Skills
notebooklm-import
Import NotebookLM notebooks into your Obsidian vault as linked knowledge graphs. Sources become wikilink-able files, Q&A answers get citations resolved to [[wikilinks]] with passage-level…
majiayu000
Claude Skill Registry
ac-knowledge-graph
This page used to hold an archived copy of this skill. The archive now lives in the registry's data repository.
majiayu000
Claude Skill Registry
ac-knowledge-graph-adaptationio-skrillz
This page used to hold an archived copy of this skill. The archive now lives in the registry's data repository.

architecture-diagram-creator
Create comprehensive HTML architecture diagrams showing data flows, business objectives, features, technical architecture, and deployment. Use when users request system architecture…

flowchart-creator
Create HTML flowcharts and process diagrams with decision trees, color-coded stages, arrows, and swimlanes. Use when users request flowcharts, process diagrams, workflow visualizations, or…
lingzhi227
Agent Research Skills
algorithm-design
Design algorithms with LaTeX pseudocode and UML diagrams. Generate algorithmic environments, Mermaid class/sequence diagrams, and ensure consistency between pseudocode and implementation…
Diagrams skills, explained.
Also searched as: diagram skill, architecture diagram skill, archify, knowledge graph skill.
What are the best Claude skills for diagrams and knowledge graphs?
Right now the top-ranked diagrams skills on Alyn are Archify (tt-a1i), Archify Tuning (tt-a1i), Simplify Codebase (tt-a1i). Rankings combine GitHub stars, installs, freshness and depth, and update live.
What is Archify?
An agent skill that turns any idea, plan or codebase into an interactive diagram. It works in Claude Code, Codex and more.
Can a skill map my whole codebase?
Graphify and Understand Anything build queryable knowledge graphs from code, docs and schemas.
How do I install a diagrams skill?
Run npx skills add owner/repo in your project, or copy the folder with SKILL.md into ~/.claude/skills. Every skill on this page has a ready-to-copy command.
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Diagrams skills for your agent