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mermaid-cli

v1.0.0+codex.894cf4b2a2f1

Generate, validate, and fix diagrams from Mermaid markup using mmdc. Use when creating flowcharts, sequence diagrams, class diagrams, converting .mmd files to images/SVG/PDF, or validating and fixing Mermaid diagram syntax.

Codex1 Skill

By Alberto LealLicense: MIT22 GitHub starsUpdated 1 hour ago

Directory evidence

Runtimes
Codex
Parsed components
1 skill or MCP entry
Source updated
Aug 28, 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 plugin

Installs for the current user
codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add mermaid-cli@agent-plugin-marketplace

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

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/dashed/claude-marketplace

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

Plugin files

plugins/mermaid-cli/
├── .codex-plugin/plugin.json
└── skills/mermaid-cli/SKILL.md

Included Skills1

mermaid-cliskills/mermaid-cli/SKILL.md

Generate, validate, and fix diagrams from Mermaid markup using the mermaid-cli (mmdc) tool. Use when creating flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, pie charts, mindmaps, or any Mermaid-supported diagram type. Also use when validating, verifying, or fixing Mermaid diagram syntax. Triggers on mentions of mermaid, mmdc, diagram generation, diagram validation, or converting .mmd files to images/SVG/PDF.

Plugin manifests1

plugins/mermaid-cli/.codex-plugin/plugin.json
{
  "name": "mermaid-cli",
  "version": "1.0.0+codex.894cf4b2a2f1",
  "description": "Generate, validate, and fix diagrams from Mermaid markup using mmdc. Use when creating flowcharts, sequence diagrams, class diagrams, converting .mmd files to images/SVG/PDF, or validating and fixing Mermaid diagram syntax.",
  "author": {
    "name": "Alberto Leal"
  },
  "license": "MIT",
  "keywords": [
    "mermaid",
    "diagrams",
    "flowchart",
    "sequence-diagram",
    "svg",
    "png",
    "pdf",
    "visualization",
    "cli",
    "mmdc"
  ],
  "interface": {
    "displayName": "Mermaid CLI",
    "shortDescription": "Generate, validate, and fix diagrams from Mermaid markup using mmdc. Use when creating flowcharts, sequence diagrams, class diagrams, converting .mmd files to images/SVG/PDF, or...",
    "longDescription": "Generate, validate, and fix diagrams from Mermaid markup using mmdc. Use when creating flowcharts, sequence diagrams, class diagrams, converting .mmd files to images/SVG/PDF, or validating and fixing Mermaid diagram syntax.",
    "developerName": "Alberto Leal",
    "category": "Productivity",
    "capabilities": [
      "Skills"
    ],
    "defaultPrompt": [
      "Use $mermaid-cli for this task."
    ]
  },
  "repository": "https://github.com/dashed/claude-marketplace/tree/master/plugins/mermaid-cli",
  "skills": "./skills/"
}

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.

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