D2

Verified Integration

Author: @D2•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect D2 to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "d2": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-d2"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Generates and manipulates D2 diagrams programmatically, primarily for integration with AI assistants.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for D2

D2 can render and export diagrams in SVG, PNG, and PDF formats. For PNG and PDF output, your system needs to have either `rsvg-convert` (from librsvg) or ImageMagick (`convert` command) installed.

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