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.
npx agentmods add skills/yyz666ai/learning-agent/visual-explainernpx skills add yyz666ai/Learning-Agent --skill visual-explainergit clone --depth 1 https://github.com/yyz666ai/Learning-AgentWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00033 | $0.00291 |
| Opus 5 | $0.00016 | $0.00146 |
| Sonnet 5 | $0.00007 | $0.00058 |
| Haiku 4.5 | $0.00003 | $0.00029 |
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 yesterday.
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.
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
- 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。
- 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。
- Mermaid 必须可以独立渲染；不把整份代码塞进图。
- 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。
- 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。
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.
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.
- yesterday First seen · 24 lines · 33 tokens per session scan A 93640c2f7d3e
visual-explainer is a skill published in the GitHub repository yyz666ai/Learning-Agent (1 stars, last pushed yesterday), licensed MIT. It adds 33 tokens to every session and 291 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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