weak-point-drill

weak-point-drill is a skill for Claude Code, Codex from open-octo/octo-agent. It costs 130 tokens per session (1,654 once invoked), scanned A, original, MIT.

A targeted practice workflow that finds the topics a learner repeatedly gets wrong and gives those topics more questions. It explains answers and tracks recurring mistakes across practice sessions.

In plain words
What is it for?
Use it to practise a specific subject, review why answers were right or wrong, identify recurring errors, compare sessions, and update a study record.
Why use it?
It focuses study time on persistent weak spots instead of giving every topic equal attention.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to practise a specific subject, review why answers were right or wrong, identify recurring errors, compare sessions, and update a study record.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/open-octo/octo-agent/weak-point-drill
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 open-octo/octo-agent --skill weak-point-drill
Clone the repo
git clone --depth 1 https://github.com/open-octo/octo-agent

Made for: Claude Code, 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 weak-point-drill

README.md
[![agentmods](https://agentmods.dev/badge/skills/open-octo/octo-agent/weak-point-drill/github.svg)](https://agentmods.dev/skills/open-octo/octo-agent/weak-point-drill)
Your own site
<a href="https://agentmods.dev/skills/open-octo/octo-agent/weak-point-drill"><img src="https://agentmods.dev/badge/skills/open-octo/octo-agent/weak-point-drill/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 weak-point-drill

Your own site · 80×15
<a href="https://agentmods.dev/skills/open-octo/octo-agent/weak-point-drill"><img src="https://agentmods.dev/badge/skills/open-octo/octo-agent/weak-point-drill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 130 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,654 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 $0.00130 $0.01654
Opus 5 $0.00065 $0.00827
Sonnet 5 $0.00026 $0.00331
Haiku 4.5 $0.00013 $0.00165

Measured 6d ago against content hash 2019b36113db, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

weak-point-drill 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 6d 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.

internal/skills/experts/weak-point-drill/SKILL.md · 121 lines

How it starts

The opening of the file, as written. The whole thing — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: weak-point-drill

泛泛出题效率不高——如果用户在某几个子主题上反复出错,把出题权重往那几个 子主题倾斜,比平均分配到所有主题更有效。这个技能负责:定位薄弱子主题、 按权重出题、讲透每道题对错的原因、追踪跨小节的错误模式是不是真的"卡住了"。

置信度纪律

每道题都在陈述一个规则/事实。一个自信但错误的规则,比不出这道题更糟。

  • 有把握: 规则是学科里公认的基础知识,正常出题。
  • 不确定: 规则有争议、是小众说法、或者不确定自己记得对不对——用 [不确定:原因] 标注在题目/解析里,提醒用户对照教材核实。
  • 不知道: 不编题目。直说"这块我没有可靠的把握,建议跳过或者查教材/ 权威来源确认"。不要为了凑数编一道基于错误规则的题。

加载上下文

如果存在 ~/.octo/learning-data/study-plan.yaml,读取该学科的 session_history,看看之前哪些子主题错得多——出题权重往那些子主题倾斜。 没有这个文件也没关系,直接问用户"最近在哪几个知识点上容易出错"。

小节模式:--session <n>

用户说"来10道关于XX的题"或类似需求时用这个模式。

流程:

  1. 确认学科、题目数N、题型(选择题/简答/论述,或混合)。
  2. 生成N道题,按 session_history 里之前错过的子主题加权(如果有历史 记录);没有历史记录就先泛出一轮,把这次的结果作为后续加权的起点。
  3. 逐题呈现。每题作答后,展示正确答案+为什么对+为什么其他选项错(如果是 选择题)。
  4. 小节结束后,输出:
## 小节:[学科],[N]题

**得分:** [X]/[N]([百分比])
**错题:** [列表——子主题+错在哪]
**薄弱子主题:** [错误集中的2-3个子主题]
**掌握较好的子主题:** [表现好的部分]

**和之前小节的对比:** [如果 session_history 里有这个学科的历史记录:
"XX子主题在最近4次小节里错了3次——这是真卡住了,建议换个方式重新理解
这块内容,光靠刷题可能不够。" 或者:"XX从40%提升到70%,YY这块还不太
稳。"]
  1. 把结果追加到 ~/.octo/learning-data/study-plan.yamlsession_history(如果文件不存在,写到 ~/.octo/learning-data/session-history.yaml):
session_history:
  - date: 2026-05-08
    subject: 有机化学
    type: weak-point-drill
    n_questions: 10
    score: 6
    weak_subtopics: [亲核取代反应机理, 立体化学命名]

出题原则

按学科实际考察的难度出题,不要故意拔高或降低。子主题分布按薄弱程度加权—— 如果某个子主题历史上错得多,这次小节里它应该占更大比例(比如错得最多的 1-2个子主题占60%左右,其余泛化覆盖)。

答题后的解析格式:

**正确答案:C**

**为什么是C:** [规则+应用]

**为什么不是A:** [这个选项对应什么误区,为什么在这里不对]
**为什么不是B:** [同上]
**为什么不是D:** [同上]

**记忆要点:** [一句话总结]

追踪跨小节规律

维护一个粗略的统计:哪些子主题、哪些具体错误类型反复出现。小节结束后如果 看到规律,直接说出来:"最近4次小节里有3次在[子主题]上出错,都是同一类 错误([具体描述])。这是卡住了,建议:(a) 换个角度重新学一遍这块内容, 而不是继续刷同类题;(b) 找相关的具体例子/图示重新理解一遍;(c) 如果是 概念本身没搞懂,用 flashcards 或直接问我,让我用费曼学习法给你讲一遍。"

边界

  • 不替代系统学习。 这是针对已经学过、但记不牢/理解不透的内容做定向 强化,不是初次学习新概念的方式——初次学概念用费曼学习法讲解或 outline-builder 搭框架。
  • 不为了凑数编题。 某个学科只有把握出5道靠谱的题,就给5道。硬凑一堆 [不确定] 的猜测题比少几道题更糟。
  • 不预测考试内容。 出题练习针对的是用户自己的薄弱环节,不是猜考试会 考什么——那是 exam-forecast 的事,两者可以配合:先用 exam-forecast 定重点范围,再用这个技能在重点范围内做加权定向练习。
  • 不代替用户判断学习进度。 给出得分和规律,不代替用户决定"这块学够了 没有"。

Read the full file on GitHub · 121 lines

Files

What ships with it

2 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. 6d ago First seen · 121 lines · 130 tokens per session scan A 2019b36113db

Subscribe to this mod's changes

weak-point-drill is a skill published in the GitHub repository open-octo/octo-agent (97 stars, last pushed yesterday), licensed MIT. It adds 130 tokens to every session and 1,654 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 2026-09-03.

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