d2-gen-azure

d2-gen-azure is a skill for Claude Code from miiitch/d2-gen. It costs 121 tokens per session (1,886 once invoked), scanned A, original, MIT.

A generator that turns Azure infrastructure code—Terraform, Terragrunt, or Bicep files—into D2 architecture diagram source.

In plain words
What is it for?
Use it to create and format .d2 diagrams and render them as SVG or PNG files for Azure infrastructure.
Why use it?
It makes resource relationships, networks, permissions, monitoring, and data flows easier to inspect visually.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter.

Good fit Use it to create and format .d2 diagrams and render them as SVG or PNG files for Azure infrastructure.

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Install with agentmods
npx agentmods add skills/miiitch/d2-gen/d2-gen-azure
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add miiitch/d2-gen --skill d2-gen-azure
Clone the repo
git clone --depth 1 https://github.com/miiitch/d2-gen

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for d2-gen-azure

README.md
[![agentmods](https://agentmods.dev/badge/skills/miiitch/d2-gen/d2-gen-azure/github.svg)](https://agentmods.dev/skills/miiitch/d2-gen/d2-gen-azure)
Your own site
<a href="https://agentmods.dev/skills/miiitch/d2-gen/d2-gen-azure"><img src="https://agentmods.dev/badge/skills/miiitch/d2-gen/d2-gen-azure/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for d2-gen-azure

Your own site · 80×15
<a href="https://agentmods.dev/skills/miiitch/d2-gen/d2-gen-azure"><img src="https://agentmods.dev/badge/skills/miiitch/d2-gen/d2-gen-azure.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 121 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,886 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00121 $0.01886
Opus 5 $0.00060 $0.00943
Sonnet 5 $0.00024 $0.00377
Haiku 4.5 $0.00012 $0.00189

Measured 10d ago against content hash 6f1790156b1e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

d2-gen-azure scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/d2-gen-azure/SKILL.md · 141 lines

How it starts

The opening of the file, as written. The whole thing — 141 lines — stays where its author put it; the contents beside it link to each section on GitHub.

D2 Diagram Generator

When to Use

  • Generate architecture diagrams from Terraform or Terragrunt code
  • Visualize Azure infrastructure with proper icons, connections, and grouping
  • Create .d2 files rendered to SVG/PNG via the d2 CLI
  • Represent resource dependencies, network topology, RBAC, monitoring, and data flows

Goal

Create readable architecture diagrams using D2 language for Azure/Terraform infrastructure. Output is .d2 text files, rendered to SVG or PNG via the d2 CLI.

Tools

  • d2 CLI: Render .d2 files to SVG/PNG: d2 input.d2 output.svg
  • d2 CLI with layout engine: d2 --layout=elk input.d2 output.svg
  • d2 fmt: Format D2 files: d2 fmt input.d2
  • No MCP server is used — the skill generates D2 source code as text.

Icon Source Requirement

Use this Terraform icon mapping as the source of truth:

  • Mapping index: https://raw.githubusercontent.com/miiitch/d2-gen/refs/heads/main/icon-index-terraform-png.json
  • Base path for icon files: https://raw.githubusercontent.com/miiitch/d2-gen/refs/heads/main

Resolution rule:

  • Look up the Terraform resource type key (e.g. azurerm_linux_function_app) in the mapping JSON.
  • The mapped value is a relative path (e.g. png/Icons/iot/10029-icon-service-Function-Apps.png).
  • Build the final icon URL: base path + / + relative path.
  • In generated .d2 files, reference the full URL directly in icon:.

Fallback: if no mapping entry exists, use shape: rectangle with a clear text label.

  1. Read Terraform/Terragrunt files and list all resources + dependencies.
  2. Analyze sub-resources for each parent and classify as hidden (from registry) or explicit.
  3. Ask the mandatory Yes/No questionnaire before generating connections or containers (must be asked every time).
  4. Determine the resource hierarchy before placing nodes.
  5. Build workload-centric clusters first (workload at center, required resources around it).
  6. Apply the Hidden Sub-Resources Registry: hide listed sub-resources and represent them as styled connections to the parent resource.
  7. Resolve icon URLs from the mapping index, then generate the .d2 file with containers, nodes, connections, icons, and styles.
  8. Validate D2 syntax with d2 fmt before sharing.
  9. Render with d2 --layout=elk input.d2 output.svg and verify output.
  10. If the user wants an autonomous SVG, download mapped icons locally and render a bundled SVG.
  11. When regenerating an existing diagram, re-resolve icon URLs from the mapping file (and re-download only used icons for autonomous output if needed).

Read the full file on GitHub · 141 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 141 lines · 121 tokens per session scan A 6f1790156b1e

Subscribe to this mod's changes

d2-gen-azure is a skill published in the GitHub repository miiitch/d2-gen (19 stars, last pushed 5d ago), licensed MIT. It adds 121 tokens to every session and 1,886 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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