visual-explainer

visual-explainer is a skill for Codex from yyz666ai/Learning-Agent. It costs 33 tokens per session (291 once invoked), scanned A, original, MIT.

A teaching skill for explaining programming ideas with small diagrams. It focuses on steps, state changes, branches, data flow, ownership, hierarchies, and interactions between components.

In plain words
What is it for?
Use it to explain request sequences, callbacks, state machines, module dependencies, directory structures, LangGraph flows, and concurrency with Mermaid diagrams and short code checks.
Why use it?
It makes relationships and execution order easier to understand before reading code.

Skill for Codex

Written for Codex: installed under .codex/.

Good fit Use it to explain request sequences, callbacks, state machines, module dependencies, directory structures, LangGraph flows, and concurrency with Mermaid diagrams and short code checks.

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Install with agentmods
npx agentmods add skills/yyz666ai/learning-agent/visual-explainer
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 yyz666ai/Learning-Agent --skill visual-explainer
Clone the repo
git clone --depth 1 https://github.com/yyz666ai/Learning-Agent

Made for: Codex.

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 visual-explainer

README.md
[![agentmods](https://agentmods.dev/badge/skills/yyz666ai/learning-agent/visual-explainer/github.svg)](https://agentmods.dev/skills/yyz666ai/learning-agent/visual-explainer)
Your own site
<a href="https://agentmods.dev/skills/yyz666ai/learning-agent/visual-explainer"><img src="https://agentmods.dev/badge/skills/yyz666ai/learning-agent/visual-explainer/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 visual-explainer

Your own site · 80×15
<a href="https://agentmods.dev/skills/yyz666ai/learning-agent/visual-explainer"><img src="https://agentmods.dev/badge/skills/yyz666ai/learning-agent/visual-explainer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 291 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.
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 $0.00033 $0.00291
Opus 5.5 $0.00013 $0.00116
Sonnet 5.5 $0.00007 $0.00058
Haiku 4.5 $0.00003 $0.00029

Measured 1mo ago against content hash 93640c2f7d3e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

visual-explainer 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 1mo 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.

workspace/dev/.codex/skills/visual-explainer/SKILL.md · 24 lines

What it actually says

可视化讲解

图只服务一个关键判断。流程、状态变化、调用顺序、分支和组件关系优先用 Mermaid,让学习者先看到全貌,再进入代码。

选择图型

  • 执行步骤或条件分支:flowchart 流程图。
  • 请求、回调或消息先后:sequenceDiagram。
  • 状态迁移:stateDiagram-v2。
  • 模块依赖或目录:flowchart 或 classDiagram,保持节点少。

教学要求

  1. 图前先提出要观察的问题,图后只解释最关键的 2–4 个关系。
  2. 节点使用学习者能理解的中文,首次出现的代码名用括号补充。
  3. Mermaid 必须可以独立渲染;不把整份代码塞进图。
  4. LangGraph、请求链、状态机和并发顺序等主题,只要图能显著降低理解成本,就在代码之前安排图。
  5. 图后紧跟一个点击判断或最小代码映射,确认学习者能把图和代码对应起来。
Files

What ships with it

1 file 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. 1mo ago First seen · 24 lines · 33 tokens per session scan A 93640c2f7d3e

Subscribe to this mod's changes

visual-explainer is a skill published in the GitHub repository yyz666ai/Learning-Agent (0 stars, last pushed 1mo ago), licensed MIT. It adds 33 tokens to every session and 291 once invoked, about $0.0001 per session on Opus 5.5. 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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