learn-graph

A guided way to map out a new subject as connected concepts, uses, and prerequisites, then learn it step by step.

In plain words
What is it for?
Use it to plan learning a field, find the best starting point, choose the most reusable concepts, and decide which topics are sufficient for your goal.
Why use it?
It helps when a subject feels too broad or you are unsure where to begin or when you have learned enough. You build the map with questions instead of receiving a finished outline, so missing foundations are easier to spot.

Skill for Claude CodeCodex

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/li-evan/bloom/learn-graph
Any agent
npx skills add Li-Evan/Bloom --skill learn-graph
Clone the repo
git clone --depth 1 https://github.com/Li-Evan/Bloom

Made for: Claude Code, Codex.

Per session 141 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 781 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 $0.00141 $0.00781
Opus 5 $0.00071 $0.00391
Sonnet 5 $0.00028 $0.00156
Haiku 4.5 $0.00014 $0.00078

Measured 3d ago against content hash 73449bcf6083, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

learn-graph 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.

skills/learn-graph/SKILL.md · 47 lines

What it actually says

知识图谱学习法(learn-graph)

核心信条:自己一步步建图谱的过程,本身就是最有效的学习——不要直接套用别人给的图谱。 绝大部分知识,都有一个从常识就能入门的点。

何时用

用户要系统进入一个新领域,或焦虑"学得不够系统 / 不知何时算够"。

流程(关键:和用户一起建,不是直接灌一张完整图)

第一步:锁定目标领域 X 和目的

用户为什么学 X?(接 learn-occam 的"既定问题")目的决定图谱画到多细。

第二步:构建图谱——只抓三件事

概念/名称 · 用途 · 上下文关系(父子节点)

  • 子节点 = X 依托 / 基于什么;父节点 = X 服务于什么目标。
  • 以提问引导用户一起填(自己建图才学得到),别一次性灌完。先给骨架,留节点让他补。

第三步:标注两个关键

  • 复用价值:哪些节点父节点多(像 Python)→ 优先学,回报最高。
  • 入门点:哪个节点"从常识就能入门"→ 学习路径的起点。

第四步:输出学习路径 + 颗粒度

从入门点出发、沿父子关系排一条有效路径。颗粒度按需自由切换(领域图 → 细分学科图)。"学到哪算够"= 覆盖到能解决第一步那个目的的节点即可,不必学满。

第五步:交接

  • 拿不准某节点是不是缺前置知识 → 这正是图谱的强项,已在图上标出。
  • 找到入门点要动手 → 转 learn-prototype(在图上找"最垃圾原型"的起点)。

注意

⚠️ 铁律·只用确证的已会知识:判断用户「已经会什么」只能用他确证学过的知识(亲口确认或可靠背景);严禁把「正在讲的材料 / 文章作者背景 / 对话里别人的知识」当成用户会的。拿不准 → 直接问「⚠️ 你学过 ___ 吗?」,绝不替他假设。

  • 强调"自己建":多用提问让用户参与,别炫一张完美的图。
  • 同族 skill:learn-occam(该不该学) learn-crossover(已会什么) learn-prototype(动手) learn-feynman(自查)。
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 · 47 lines · 141 tokens per session scan A 73449bcf6083

Subscribe to this mod's changes

learn-graph is a skill published in the GitHub repository Li-Evan/Bloom (248 stars, last pushed 2mo ago), licensed MIT. It adds 141 tokens to every session and 781 once invoked, about $0.0007 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 2026-08-30.

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