study-mindmap

study-mindmap is a skill for Claude Code, Codex from 2362094903-ops/study-assistant-skills. It costs 94 tokens per session (392 once invoked), scanned A, original, MIT.

A tool that turns a study knowledge file into an interactive HTML mind map, a visual tree of related ideas. It works offline in a browser and shows learning status for each point.

In plain words
What is it for?
Creating or refreshing chapter maps, searching topics, expanding and collapsing branches, and showing mastery levels and notes.
Why use it?
It makes a chapter's concepts easier to browse and update than a plain list. Changes in knowledge status can be reflected by regenerating the map.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths.

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/2362094903-ops/study-assistant-skills/study-mindmap
Any agent
npx skills add 2362094903-ops/study-assistant-skills --skill study-mindmap
Clone the repo
git clone --depth 1 https://github.com/2362094903-ops/study-assistant-skills

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 study-mindmap

README.md
[![agentmods](https://agentmods.dev/badge/skills/2362094903-ops/study-assistant-skills/study-mindmap.svg)](https://agentmods.dev/skills/2362094903-ops/study-assistant-skills/study-mindmap)
Your own site
<a href="https://agentmods.dev/skills/2362094903-ops/study-assistant-skills/study-mindmap"><img src="https://agentmods.dev/badge/skills/2362094903-ops/study-assistant-skills/study-mindmap.svg" alt="Measured on agentmods" height="20"></a>
Per session 94 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 392 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 5.1 $0.00094 $0.00392
Opus 5 $0.00047 $0.00196
Sonnet 5 $0.00019 $0.00078
Haiku 4.5 $0.00009 $0.00039

Measured 6d ago against content hash 84d36d5a82b5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

study-mindmap 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/build_mindmap.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

study-mindmap/SKILL.md · 41 lines

What it actually says

Study Mind Map

Render the knowledge tree in knowledge.json into an interactive HTML mind map. Never hand-write the HTML.

New layout:

python3 ~/.claude/skills/study-mindmap/scripts/build_mindmap.py \
  <study-dir>/internal/state/knowledge.json --chapter <N>

Output: <study-dir>/internal/mindmaps/chapter-XX.html. Legacy root knowledge.json outputs to legacy mindmaps/.

Preconditions

knowledge.json must exist and pass validate_workspace.py. This skill renders only; it does not split chapters into points.

Each leaf should be a small teachable/testable unit. A missing formula, law, graph-reading method, or definition is worse than an extra point.

Features to mention to the learner

  • Click nodes to collapse/expand.
  • Drag to pan, wheel to zoom.
  • Search highlights matches and expands their path.
  • Leaf colors: 灰 = 未学, 红 = 薄弱, 黄 = 基本, 浅绿 = 熟练, 绿 = 精通.
  • High-importance points show a star.
  • Hover shows id, importance, status, mastery, note.

Regenerate when

  • Any point status/mastery/note changes.
  • The knowledge list is revised.

Re-running overwrites the file in place. The browser tab only needs refresh.

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 · 41 lines · 94 tokens per session scan A 84d36d5a82b5

Subscribe to this mod's changes

study-mindmap is a skill published in the GitHub repository 2362094903-ops/study-assistant-skills (18 stars, last pushed 28d ago), licensed MIT. It adds 94 tokens to every session and 392 once invoked, about $0.0005 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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