412 of these skill files have been read, by 397 distinct authors, and what they tell an agent counted. What Diagrams & charts authors agree on, and what they forbid

• 61

  Linkedin post skill

  ChanMeng666/linkedin-post-skill · Skill

  0★

  A Claude Code skill that writes on-brand English LinkedIn posts (idea + event-recap), generates Caldera-branded visuals (Mermaid, HTML-to-PNG via Playwright, OpenAI fallback), and drafts them into the LinkedIn composer via Claude-in-Chrome. Never auto-posts.

• 62

  C4 views

  TheAkshitS/skills/skills/c4-views · Skill

  0★ repo

  Curated agent skills that do one thing well. Plain Markdown, trigger-activated, model-agnostic. Fork what you need, drop the rest

• 63

  D2 diagrams

  khollingworth/d2-diagram-skill/skills/d2-diagrams · Skill

  no license0★ repo

  Claude Code plugin that renders professional D2 architecture diagrams (TALA/ELK) with a self-checking render loop

• 64

  Core

  isatimur/excalidraw-skill-pack/packages/core · Skill

  0★ repo

  Make your AI agent argue visually. Universal skill pack for Excalidraw diagrams across Claude Code, Cursor, Codex, Gemini CLI, and any MCP-compatible agent.

• 65

  Diagram generator

  jovd83/diagram-generator · Skill

  no license0★

  Creates grounded Mermaid-first software diagrams and compact architecture documentation from code, schemas, and requirements.

• 66

  Diagram to vector

  William-Yeh/diagram-to-vector · Skill

  0★

  Convert hand-drawn diagrams and whiteboard sketches into structured vector formats (Mermaid, draw.io, GraphViz, SVG)

• 67

  Paperchart

  shuakami/paperchart · Skill

  0★

  Quiet, editorial chart PNGs for technical blog posts. 15 primitives, six themes, one CLI.

• 68

  C4 diagram

  dimdasci/distill-knowledge/skills/c4-diagram · Skill

  0★ repo

  Agent Skill for turning recorded meetings into speaker-labelled markdown transcripts, with optional screenshots and topic-by-topic documents.

• 69

  Plantuml skill

  jovd83/plantuml-skill · Skill

  0★

  Professional PlantUML and C4 diagram skill for architecture visualization, sequence flows, and technical documentation.

• 70

  Eraser dsl

  Bit-Blazer/eraser-dsl · Skill

  0★

  This repository is a skill package for authoring and reviewing Eraser.io Diagram-as-Code DSL.

• 71

  Editorial diagram

  vsxd/agent-skills/skills/editorial-diagram · Skill

  0★ repo

  Portable agent skills for Codex, Claude Code, and other AI coding agents.

• 72

  Ascii canvas

  noodlebindev/ascii-canvas · Skill

  0★

  Canva for ASCII. Compose diagrams, slideshows, infographics, playbooks, comics, flashcards, and other text-based visual artifacts as a Claude Code skill.

• 73

  Obsidian excalidraw workflow

  victor-luyunning/yunning-skills/skills/obsidian-excalidraw-workflow · Skill

  0★ repo

  Reusable skills for local-first agent workflows.

• 74

  Grill me visual

  akiyax/skills/skills/grill-me-visual · Skill

  no license0★ repo

  Agent skills

• 75

  Aws architecture diagram

  shoji9x9/skills/skills/aws-architecture-diagram · Skill

  0★ repo
• 76

  Make html

  fuller-stack-dev/make-html/make-html · Skill

  no license0★ repo

  Generic agent skill for self-contained HTML artifacts

• 77

  Whiteboard

  devbyshima/skills/skills/diagramming/whiteboard · Skill

  0★ repo

  Agent skills I build and actually use. Add them to your agent with one command.

• 78

  Circuit diagram

  bonanyan/circuit-diagram · Skill

  0★

  Agent Skill: Draw Circuit Schematic Diagram

• 79

  Excalidraw

  fuller-stack-dev/excalidraw-mcp-skill/excalidraw · Skill

  0★ repo

  Codex skill for Excalidraw MCP App and Excalidraw+ workflows

• 80

  Activity diagram

  prateek11rai/tldraw-canvas-kit/skills/activity-diagram · Skill

  0★ repo

  Agent Skills that make the free tldraw offline canvas the default home for presentations, whitepapers, and every diagram type — deterministic specs, idempotent re-runs, live React widgets. Works in Claude Code, Cursor, Codex and 70+ agents.

• 81

  Html writeup

  J03Fr0st/skills/skills/html-writeup · Skill

  no license0★ repo

  Original cross-agent skills by J03Fr0st. Repository shell based on mattpocock/skills; no upstream skills included.

• 82

  Plantuml architecture diagram

  brunojaime/plantuml-diagram-toolkit/skills/plantuml-architecture-diagram · Skill

  0★ repo

  Skills y herramientas para generar, validar y renderizar diagramas PlantUML

• 83

  Create diagram

  Mertcikla/tld-cli/skills/create-diagram · Skill

  0★ repo
• 84

  Vaults Diagram Tools

  Malnati/vaults-diagram-tools/io.github.Malnati/vaults-diagram-tools · MCP server

  0★ repo

  Mermaid to assets. Source code to maps. MCP for agents.

• 85

  Workflow Generator

  askuma/workflow-generator/io.github.askuma/workflow-generator · MCP server

  0★ repo

  Architecture diagram with concurrency capacity and bottleneck estimates from any codebase.

• 86

  Ainecto

  codelives/ainecto/io.github.codelives/ainecto · MCP server

  no license0★ repo

  Ainecto MCP connector for workspace, document, ERD, diagram, task, and attachment workflows.

• 87

  Drawio azure

  sparklabx/drawio-ai-kit/skills/drawio-azure · Skill

  626★ repo

  Teach your AI to draw correct, beautiful draw.io diagrams — declarative layout engine, ground-truth stencils, structural validator, vision self-check. AWS · Azure · GCP · Databricks · BPMN. Zero dependencies.

• 88

  Architecture diagrams

  unoplat/unoplat-code-confluence/unoplat-code-confluence-query-engine/src/unoplat_code_confluence_query_engine/skills/architecture-diagrams · Skill

  no license95★ repo

  Always keep your codebases ready for Agents. Improve any coding workflow by atleast 2x by maintaing a live, pluggable context layer per repo that creates and maintains Agents.md

• 89

  Excalidraw diagram

  walidboulanouar/Ay-Skills/skills/excalidraw-diagram · Skill

  no license85★ repo

  Open source Claude Code skills by AY Automate

• 90

  Academic figure color expert

  Azhi-ss/academic-figure-skills/academic-figure-color-expert · Skill

  80★ repo

  AI skills for academic paper figures: repo analysis, figure planning, colorblind palettes, JSON figure specs. Install: npx skills add Azhi-ss/academic-figure-skills

• 91

  Architecture diagram

  proyecto26/system-design-skills/skills/architecture-diagram · Skill

  46★ repo

  A divide-and-conquer wiki of system-design skills for Claude Code — reason about scalable systems, don't memorize architectures.

• 92

  Block diagram

  jimezsa/opencolab/projects/SKILLS/block-diagram · Skill

  11★ repo

  🐙 Accelerating Scientific Discovery — Turn your research into an always-on autonomous lab

• 93

  Blueprint

  duthaho/skillhub/.claude/skills/blueprint · Skill

  9★ repo

  A small collection of Claude Code skills I use and maintain.

• 94

  Ascii hierarchy diagram

  rohingosling/claude-skills/plugins/g-render-ascii-hierarchy-diagram/skills/ascii-hierarchy-diagram · Skill

  5★ repo

  Claude Code plugin marketplace. Curated collection of publicly-shared agent skills.

• 95

  Diagram designer

  puristajs/harness/examples/living-wiki-jaeger/skills/diagram-designer · Skill

  5★ repo

  AI Harness build on top of typescript

• 96

  Archify

  cskwork/supergoal-skill/templates/archify · Skill

  4★ repo

  One objective in, a verified result out. An agent skill that runs a full, gated dev process with expert subagents and refuses to declare done until a machine-checkable gate passes. Bilingual (EN/한국어) onboarding & live walkthrough

• 97

  Diagrams mermaid

  fastfold-ai/skills/skills/diagrams_mermaid · Skill

  no license3★ repo

  Computational biology skills humans and agents

• 98

  Architecture diagram

  kevinlin/skills/architecture-diagram · Skill

  3★ repo

  Agent skills for software delivery, from requirements gap analysis to reviewed, shipped code. Supports Claude Code, Codex, Cursor, Copilot, and OpenCode.

• 99

  Diagram generator

  Matthewyin/CustomSkills/skills/diagram-generator · Skill

  no license2★ repo
• 100

  Diagram gen emergent

  jamestexas/agents/skills/diagram-gen-emergent · Skill

  no license2★ repo

  Curated library of Claude Code subagents and skills (23 agents, 20 skills) with an idempotent installer that symlinks into ~/.claude. Frontmatter-driven; spec-compliant with Anthropic and Gemini schemas.

• 101

  Excalidraw diagram

  Bosh-Kuo/awesome-agent-toolkit/examples/.agents/skills/excalidraw-diagram · Skill

  no license2★ repo

  My personal collection of essential MCP configs, agent skills, and prompts, accumulated from daily dev work and the open-source community. Optimized for any AI coding tool.

• 102

  Squawk

  drakulavich/iago/squawk · Skill

  2★ repo

  🦜 Greptile-style Mermaid diagrams for AI code reviews — drawn by your own agent. A Claude Code / Codex / Copilot / Gemini skill; run /iago after /review.

• 103

  Yoke create

  yokeloop/yoke/.claude/skills/yoke-create · Skill

  1★ repo

  Claude Code plugin and marketplace of skills & commands for the full dev loop: /task → /plan → /do → /review → /gca → /gp → /pr. Plus /prd, /issues, /explore, /grill, /bootstrap, /handoff and more.

• 104

  Oracle diagram

  ajinkya-t/codebase-oracle/skills/oracle-diagram · Skill

  1★ repo

  Product intelligence over codebases. A Claude Code toolkit that lets PMs query what their product actually does.

• 105

  Excalidraw

  ShellyDeng08/codebase-slideshow/excalidraw · Skill

  1★ repo

  A Claude Code skill that generates beautiful HTML slideshow courses for any codebase — glassmorphism reveal.js presentations with dialogue, quizzes & adaptive teaching

• 106

  Flowprinter

  jefferyjob/claude-dev-toolkit/plugins/flowprinter/skills/flowprinter · Skill

  1★ repo

  Developer productivity plugins and skills for Claude Code. Claude Code 的开发者生产力插件和技能。

• 107

  C4 architect

  Lightbridge-KS/agent-skills/plugins/coding/skills/c4-architect · Skill

  1★ repo

  My Public Agent Skills

• 108

  System design interview

  iamurali/system-design-skill/skills/system-design-interview · Skill

  1★ repo

  Open Agent Skill for PE-grade system design interview prep. Generates 10 artifacts per problem with quality gates, cross-file checks, and a Python validator. Works with Cursor, Codex, Claude Code, Copilot, and Gemini CLI.

• 109

  Diagram

  mishafyi/claudus-maximus/plugins/diagram/skills/diagram · Skill

  no license0★ repo

  Claude Code plugin marketplace — diagram generation, parallel strategy orchestration, and career companion for frontier tech

• 110

  Excalidraw

  Punpun1643/claude-skills/excalidraw · Skill

  no license0★ repo

  A collection of Claude Code Agent Skills for docs & workflow tasks

• 111

  Excalidraw diagram

  isatimur/excalidraw-skill-pack/skills/excalidraw-diagram · Skill

  0★ repo

  Make your AI agent argue visually. Universal skill pack for Excalidraw diagrams across Claude Code, Cursor, Codex, Gemini CLI, and any MCP-compatible agent.

• 112

  Drawio

  liuning0820/skills/skills/drawio · Skill

  no license0★ repo

  Public repository for Agent Skills

• 113

  Architecture

  shuakami/paperchart/skills/architecture · Skill

  0★ repo

  Quiet, editorial chart PNGs for technical blog posts. 15 primitives, six themes, one CLI.

• 114

  Drawio

  jsolly/agent-skills/skills/drawio · Skill

  no license0★ repo

  Public AI agent skills mirrored from jsolly/dotagents (allowlisted)

• 115

  Architecture diagram

  prateek11rai/tldraw-canvas-kit/skills/architecture-diagram · Skill

  0★ repo

  Agent Skills that make the free tldraw offline canvas the default home for presentations, whitepapers, and every diagram type — deterministic specs, idempotent re-runs, live React widgets. Works in Claude Code, Cursor, Codex and 70+ agents.

• 116

  Plantuml class diagram

  brunojaime/plantuml-diagram-toolkit/skills/plantuml-class-diagram · Skill

  0★ repo

  Skills y herramientas para generar, validar y renderizar diagramas PlantUML

• 117

  Generative ui

  Sapiens-ostracism678/finance-skills/skills/generative-ui · Skill

  no license0★ repo

  Provide financial analysis and trading agent skills designed for integration with Claude Code to enhance decision-making and automation.

• 118

  Frame flowchart sticky

  nexu-io/open-design/plugins/_official/examples/frame-flowchart-sticky · Skill

  85,608★ repo

  🎨 The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / Gemini / OpenCode / Qwen & 20+ CLIs via BYOK.

• 119

  Frame flowchart sticky

  nexu-io/open-design/skills/frame-flowchart-sticky · Skill

  85,608★ repo

  🎨 The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / Gemini / OpenCode / Qwen & 20+ CLIs via BYOK.

• 120

  Mermaid expert

  sickn33/agentic-awesome-skills/plugins/agentic-awesome-skills-claude/skills/mermaid-expert · Skill

  44,658★ repo

  AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 1,987+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.