creating-tech-diagrams

creating-tech-diagrams is a skill for Claude Code, Codex from masayan1126/masayan-uni-code-plugins. It costs 40 tokens per session (616 once invoked), scanned A, original, MIT.

A guided workflow for creating prompts for technical explanation infographics—images that explain a technical idea visually—using Nano Banana Pro.

In plain words
What is it for?
Making Japanese flowcharts, comparison tables, concept diagrams, system architecture diagrams, and timelines.
Why use it?
It helps turn a topic into a defined visual structure, style, and saved prompt instead of leaving those choices unclear.

Skill for Claude CodeCodex

Part of the gen-ai-image-prompt-creator plugin — 7 skills, 7 commands shipped together

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.

agentmods
npx agentmods add skills/masayan1126/masayan-uni-code-plugins/tech-diagram
Any agent
npx skills add masayan1126/masayan-uni-code-plugins --skill tech-diagram
Clone the repo
git clone --depth 1 https://github.com/masayan1126/masayan-uni-code-plugins

Made for: Claude Code, Codex.

Or install gen-ai-image-prompt-creator, the plugin that ships this one along with the rest of its 7 skills, 7 commands.

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 creating-tech-diagrams

README.md
[![agentmods](https://agentmods.dev/badge/skills/masayan1126/masayan-uni-code-plugins/tech-diagram.svg)](https://agentmods.dev/skills/masayan1126/masayan-uni-code-plugins/tech-diagram)
Your own site
<a href="https://agentmods.dev/skills/masayan1126/masayan-uni-code-plugins/tech-diagram"><img src="https://agentmods.dev/badge/skills/masayan1126/masayan-uni-code-plugins/tech-diagram.svg" alt="Measured on agentmods" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 616 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00040 $0.00616
Opus 5 $0.00020 $0.00308
Sonnet 5 $0.00008 $0.00123
Haiku 4.5 $0.00004 $0.00062

Measured 3d ago against content hash 92f6fe427ae0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

creating-tech-diagrams 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 3d 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.

plugins/gen-ai-image-prompt-creator/skills/tech-diagram/SKILL.md · 44 lines

What it actually says

テック・AI解説用図解作成

: 生成したプロンプトを画像生成AIに入力する際は、キャラクターの元画像を一緒に添付してください(解説役として配置)。

ワークフロー

  1. アイデア確認: progress/ideas.md をチェックし、該当するアイデアがあれば提案
  2. トピック確認: 新規入力 or アイデアリストから選択
  3. 画像テイスト確認: ユーザーに以下から選択してもらう
    • クリーン: 整った線、モダンなインフォグラフィック風
    • 手書き風: ラフスケッチ、走り書き風、親しみやすい雰囲気
  4. 図解タイプ選択:
    • フローチャート型: プロセス説明
    • 比較表型: 技術比較
    • 概念図型: 抽象概念
    • アーキテクチャ図型: システム構成
    • タイムライン型: 歴史・進化
  5. 構成要素設計: 3-5個のメイン要素に絞る
  6. AIっぽさ緩和オプション確認: ANTI_AI_STYLE.md 参照
    • 図解系は「ベタ塗り」のみ推奨
  7. プロンプト生成: PROMPT_TEMPLATE.md 使用(選択したテイストを反映)
  8. Xポスト文面生成
  9. 成果物保存:
    • プロンプト: output/tech-diagram/{タイトル}.md(ディレクトリがなければ作成)
    • 生成画像: output/tech-diagram/images/{タイトル}.png
  10. 進捗更新: progress/ideas.md を更新(完了したアイデアにチェック)

参照ファイル

必須ルール

  • テキストは日本語
  • 画像上部にタイトル配置
  • 画像テイストは必ずユーザーに確認してからプロンプト生成
Files

What ships with it

3 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. 3d ago First seen · 44 lines · 40 tokens per session scan A 92f6fe427ae0

Subscribe to this mod's changes

creating-tech-diagrams is a skill published in the GitHub repository masayan1126/masayan-uni-code-plugins (5 stars, last pushed 5mo ago), licensed MIT. It adds 40 tokens to every session and 616 once invoked, about $0.0002 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 2026-08-31.

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