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diagram

v0.1.1

PlantUML, D2, and Structurizr DSL diagram creation, syntax reference, validation, and rendering

CodexClaude Code1 Skill

By studykitLicense: MIT0 GitHub starsUpdated 1 hour ago

Directory evidence

Runtimes
Codex and Claude Code
Parsed components
1 skill or MCP entry
Source updated
Sep 30, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install diagram for Codex and Claude Code

Installs for the current user
codex plugin marketplace add studykit/studykit-plugins
codex plugin marketplace upgrade studykit-plugins
codex plugin add diagram@studykit-plugins

Paste and run these commands in a terminal with Codex. They add and refresh the studykit-plugins catalog, then install this plugin.

Compatibility: the page URL and API slug “diagram-2” remain stable.

  • Codex: diagram-2@agent-plugin-marketplace → diagram@studykit-plugins

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/studykit/studykit-plugins

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is diagram/.

Plugin files

diagram/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
└── skills/diagram/SKILL.md

Included Skills1

diagramskills/diagram/SKILL.md

Create, explain, or validate diagrams as code in PlantUML, D2, or Structurizr DSL. Use when the user asks to draw or generate a diagram (sequence, class, activity, state, ER, Gantt, mind map, architecture, flowchart, C4 system context / container / deployment), add a diagram block to Markdown, asks for PlantUML, D2, or Structurizr syntax, or wants a .puml, .d2, .dsl file or diagram block checked or rendered.

Plugin manifests2

diagram/.codex-plugin/plugin.json
{
  "name": "diagram",
  "version": "0.1.1",
  "description": "PlantUML, D2, and Structurizr DSL diagram creation, syntax reference, validation, and rendering",
  "author": {
    "name": "studykit"
  },
  "repository": "https://github.com/studykit/studykit-plugins",
  "license": "MIT",
  "keywords": [
    "diagram",
    "plantuml",
    "d2",
    "structurizr",
    "c4",
    "uml",
    "sequence",
    "architecture",
    "visualization"
  ],
  "interface": {
    "displayName": "Diagram",
    "shortDescription": "Create and check PlantUML, D2, and Structurizr diagrams",
    "developerName": "studykit",
    "category": "Productivity",
    "capabilities": [
      "Interactive",
      "Write"
    ]
  },
  "skills": "./skills/"
}
diagram/.claude-plugin/plugin.json
{
  "name": "diagram",
  "version": "0.1.1",
  "description": "PlantUML, D2, and Structurizr DSL diagram creation, syntax reference, validation, and rendering",
  "author": {
    "name": "studykit"
  },
  "repository": "https://github.com/studykit/studykit-plugins",
  "license": "MIT",
  "keywords": [
    "diagram",
    "plantuml",
    "d2",
    "structurizr",
    "c4",
    "uml",
    "sequence",
    "architecture",
    "visualization"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[diagram on Agent Plugins Marketplace](https://pluginsmp.com/plugins/diagram-2)