Best diagrams skills for Claude Code, Codex and other agents.

Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections.

heyitsnoah/claudesidian

Creates interactive architecture, workflow, sequence, data-flow and lifecycle diagrams as standalone HTML with inline SVG, themes and image or video export.

tt-a1i/archify

Creates branded diagrams, from architecture, flowchart and sequence to charts and maps, as self-contained HTML with inline SVG, with import from draw.io, Mermaid and Excalidraw.

cathrynlavery/diagram-design

Create precise SVG technical diagrams, export PNG or offline HTML, and animate supported semantic SVGs to GIF.

tisfeng/Easydict

Create Excalidraw diagram JSON files that make visual arguments.

coleam00/excalidraw-diagram-skill

Creates and edits editable draw.io diagrams from descriptions, code, infrastructure files, SQL and API schemas, with sync, review, test and export tools.

Agents365-ai/drawio-skill

Creates dark-themed system, cloud, security and network architecture diagrams as self-contained HTML files with inline SVG and CSS.

Cocoon-AI/architecture-diagram-generator

Turns systems, code changes, plans and data into self-contained HTML pages where figures carry the explanation, with options for slide decks and narrated MP4 videos.

nicobailon/visual-explainer

Generate or edit images using AI models (FLUX, Gemini). An agent skill from ynulihao/AgentSkillOS.

ynulihao/AgentSkillOS

Creates standalone dark-themed SVG diagrams, including architecture, flowchart, sequence, structural, mind map, timeline and state machine types.

JimLiu/baoyu-skills

Comprehensive software architecture skill for designing scalable, maintainable systems using ReactJS, NextJS, NodeJS, Express, React Native, Swift…

maslennikov-ig/claude-code-orchestrator-kit

Creating interactive data visualisations using d3.js. An agent skill from calesthio/OpenMontage.

calesthio/OpenMontage

Create self-contained interactive HTML code-review dashboards from GitHub or GitLab pull requests, checked-out branch diffs, or supplied unified diffs, with correctness and safe-to-merge scores…

ai-dynamo/dynamo

Build or update an interactive isometric map of a repository's architecture — buildings sized by real measurements, neighborhoods by subsystem, animated flows tracing actual call paths, and a drift…

almendili/skills

Writes and renders Mermaid diagrams as themed SVG, PNG or terminal ASCII and Unicode art with a bundled Node.js CLI that needs no browser.

imxv/Pretty-mermaid-skills

Redesign GitHub README homepages or create project-native pure SVG, hybrid SVG-composed PNG/WebP, and opt-in animated GIF assets.

oil-oil/beautify-github-readme

Builds validated architecture, workflow, sequence, data-flow and lifecycle diagrams as standalone interactive HTML from a small JSON spec, with optional motion and image export.

Unclecheng-li/AI_Animation

Generate Mermaid diagrams from user requirements. An agent skill from WH-2099/mermaid-skill.

WH-2099/mermaid-skill

Generate Excalidraw diagrams from text content. An agent skill from breferrari/obsidian-mind.

breferrari/obsidian-mind

Best practices for working on the Harness books repo. An agent skill from wquguru/harness-books.

wquguru/harness-books

Fetches RSS feeds from 90 top Hacker News blogs (curated by Karpathy), uses AI to score and filter articles, and generates a daily digest in Markdown with Chinese-translated titles, category…

vigorX777/ai-daily-digest

Create professional architecture, workflow, sequence, data-flow, and lifecycle/state diagrams as standalone HTML files with SVG graphics, a built-in dark/light theme toggle, and one-click export to…

molvqingtai/WebChat

Builds self-contained HTML explainers for plans, pull requests and technical concepts in Plannotator's theme, then opens them in its annotation view.

backnotprop/plannotator

Shows an evidence-linked map of a codebase's architecture and constraints, highlighting the modules an AI plans to change before it edits anything.

Qiuner/birdview

Excalidraw canvas toolkit for creating, editing, and refining diagrams on a live canvas.

yctimlin/mcp_excalidraw

Create premium hand-drawn architecture and process diagrams in the Lanshu animated GIF style, with editable .excalidraw files, static PNG previews, and genuinely animated GIFs with moving flow…

cclank/lanshu-animated-architecture-diagram

Draw cloud architecture diagrams for AWS, Azure or GCP with the official provider icon sets, using TerraVision.

patrickchugh/terravision

Create publication-quality scientific diagrams using Nano Banana 2 AI with smart iterative refinement.

spacering-net/codeg

Guides design of modular-monolith platforms with DDD, flat-by-aggregate modules, anti-corruption layers, outbox events and resilience, plus an architecture document with SVG diagrams.

tech-leads-club/agent-skills

Rebuilds or restyles diagrams as editable native Visio shapes from a reference image or .vsdx file, then exports .vsdx, PNG, SVG, PDF or PPTX.

pengjunchi0/codex-visio-paper-figure-skill

Turns text, notes, code, schemas or tables into diagram source in Mermaid, Graphviz DOT, PlantUML or SVG, and renders files when you ask for an image or PDF.

zhaoxuya520/reverse-skill

Traces how an action moves through your code and draws it as a compact ASCII tree: functions called, payload types, state changes and components that re-render.

slopus/happy

AI-powered Rust documentation generation engine for comprehensive codebase analysis, C4 architecture diagrams, and automated technical documentation.

sopaco/deepwiki-rs

Explains the architecture of a public GitHub repository through GitDiagram: how the code is organized, the main components with paths, and a Mermaid diagram.

ahmedkhaleel2004/gitdiagram

Generate Guizang-style material illustrations, labeled explanatory visuals, material-styled chart illustrations, and data-first editorial images from articles, notes, product concepts, workplace…

op7418/guizang-material-illustration

Rebuilds a reference diagram image as an editable, high-fidelity Draw.io file, mixing native elements, SVG icons and cropped PNGs, with a batch workflow for a folder of images.

HKUSTDial/Supervisor-Skills

Build and maintain a Karpathy-style LLM knowledge base — a self-compiling Obsidian markdown wiki where an Agent ingests raw sources, compiles cross-linked concept/entity/summary pages, answers…

lewislulu/llm-wiki-skill

Generate images using Google Gemini's image generation capabilities.

sanjay3290/ai-skills

制作与修改可编辑的 draw.io / diagrams.net 示意图（.drawio XML），产出 .drawio + PNG/PDF。三条路径：套用内置模板（五带技术路线图、三栏研究框架图、三栏阶段流程图、横版任务流水线图）、从零手写…

jihe520/sci-box

Generates Mermaid diagrams from Trailmark code graphs, including call graphs, class hierarchies, module dependency maps, complexity heatmaps and attack surface data flows.

trailofbits/skills

Generates Excalidraw diagram files from plain descriptions, choosing among flowcharts, mind maps, architecture, swimlane, class, sequence and ER diagrams.

tech-leads-club/agent-skills

Render Mermaid diagrams as SVG and PNG using the Beautiful Mermaid library.

intellectronica/agent-skills

Helps an agent pick the right Mermaid diagram type and write the syntax for class, sequence, flow, ER, C4, state and other software diagrams.

jjmartres/opencode

Create Mermaid diagrams (flowchart, sequence, class, ER, state, C4, architecture) from text or source code.

SpillwaveSolutions/design-doc-mermaid

Direct, generate, edit, compare, and review visual assets with current Google Gemini image models.

AgriciDaniel/banana-claude

Create professional, dark-themed architecture diagrams as standalone HTML files with SVG graphics.

smallnest/pigo

Create text-driven visuals in Markdown: charts, diagrams, cards, architecture and page layouts.

markdown-viewer/skills

Windows-first Visio diagram reconstruction workflow for flowcharts, architecture diagrams, and paper-style module figures.

Rss3208/Visiomaster