lesson-revision

lesson-revision is a skill for Codex from yyz666ai/Learning-Agent. It costs 43 tokens per session (353 once invoked), scanned A, original, MIT.

A lesson-editing tool that turns a learner’s feedback into a revised version of selected pages. It covers issues such as depth, pacing, diagrams, code, questions, mistakes, and readability.

In plain words
What is it for?
Use it when a lesson is too shallow, too long, too difficult, too text-heavy, inaccurate, poorly paced, or missing useful diagrams or exercises.
Why use it?
It avoids rewriting an entire course when only a few pages need work. It also keeps the original version available and preserves progress and unchanged page details.

Skill for Codex

Written for Codex: installed under .codex/.

Good fit Use it when a lesson is too shallow, too long, too difficult, too text-heavy, inaccurate, poorly paced, or missing useful diagrams or exercises.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/yyz666ai/learning-agent/lesson-revision
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 lesson-revision
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 lesson-revision

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/yyz666ai/learning-agent/lesson-revision"><img src="https://agentmods.dev/badge/skills/yyz666ai/learning-agent/lesson-revision.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 353 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 $0.00043 $0.00353
Opus 5 $0.00022 $0.00177
Sonnet 5 $0.00009 $0.00071
Haiku 4.5 $0.00004 $0.00035

Measured 8d ago against content hash f5b1459418ba, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

lesson-revision 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 8d 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/lesson-revision/SKILL.md · 26 lines

What it actually says

讲义修订

把学习者的自然语言反馈变成局部、可撤回的新讲义版本。先理解问题,再修改真正受影响的页面;不把一次意见变成所有课程的永久规则。

执行

  1. 读取当前页、整章 Manifest、用户原话、已通过题目和运行要求。
  2. 判断反馈属于深度、节奏、图解、代码、题目、错误或可读性。
  3. 只重新生成受影响页面;保持未修改页面 ID、答案键和输出要求稳定。
  4. 输出 revision_summary 和新版本草案,在对话框提供 应用新版本继续旧版本
  5. 应用新版本时保留旧版本、当前章节、已完成进度和用户文件;失败时继续显示旧讲义。

教学修订优先级

  • “看不懂长代码”:先用 progressive-code-teaching 拆分。
  • “不知道怎么流转”:用 visual-explainer 加 Mermaid。
  • “讲得太浅”:补因果、边界和可运行变化,不堆定义。
  • “题目不合适”:用 quiz-designer 改关键判断,不单纯增加题量。

完成章节并通过验收后,改进版才交给 knowledge-curator 沉淀。

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. 8d ago First seen · 26 lines · 43 tokens per session scan A f5b1459418ba

Subscribe to this mod's changes

lesson-revision is a skill published in the GitHub repository yyz666ai/Learning-Agent (1 stars, last pushed 8d ago), licensed MIT. It adds 43 tokens to every session and 353 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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