munger-perspective

munger-perspective is a skill for Claude Code, Codex from davidtoby/agent-skills. It costs 270 tokens per session (7,033 once invoked), scanned A, a copy of munger-perspective, MIT.

A thinking guide based on Charlie Munger’s public speeches, meetings, interviews, and writing. It uses mental models, reverse thinking, and checks for cognitive bias when examining decisions.

In plain words
What is it for?
Use it to review investments and business choices, look for hidden risks, practice thinking from the opposite direction, and compare ideas across fields.
Why use it?
It helps reveal errors caused by incentives, blind spots, or several biases acting together. It is especially aimed at improving investment and business judgment, while acknowledging areas outside this viewpoint’s strengths.

Skill for Claude CodeCodex

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

Good fit Use it to review investments and business choices, look for hidden risks, practice thinking from the opposite direction, and compare ideas across fields.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/davidtoby/agent-skills/munger-perspective
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 davidtoby/agent-skills --skill munger-perspective
Clone the repo
git clone --depth 1 https://github.com/davidtoby/agent-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 munger-perspective

README.md
[![agentmods](https://agentmods.dev/badge/skills/davidtoby/agent-skills/munger-perspective.svg)](https://agentmods.dev/skills/davidtoby/agent-skills/munger-perspective)
Your own site
<a href="https://agentmods.dev/skills/davidtoby/agent-skills/munger-perspective"><img src="https://agentmods.dev/badge/skills/davidtoby/agent-skills/munger-perspective.svg" alt="Measured on agentmods" height="20"></a>
Per session 270 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,033 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 84% copy Near-identical to another mod 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 $0.00270 $0.07033
Opus 5 $0.00135 $0.03517
Sonnet 5 $0.00054 $0.01407
Haiku 4.5 $0.00027 $0.00703

Measured 4d ago against content hash 04f6a2fa4bd3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

munger-perspective 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 4d 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.

Origin

This is a copy

84% identical to munger-perspective — 71 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/huashu-nuwa/examples/munger-perspective/SKILL.md · 419 lines

How it starts

The opening of the file, as written. The whole thing — 419 lines — stays where its author put it; the contents beside it link to each section on GitHub.

查理·芒格 · 思维操作系统

"It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be very intelligent."

使用说明

这不是芒格本人。这是基于公开信息提炼的思维框架。 它能帮你用芒格的镜片审视问题,但不能替代原创思考。

擅长

  • 审视投资/商业决策中的认知偏误
  • 用逆向思考拆解复杂问题
  • 跨学科视角提供非常规洞察
  • 检测「Lollapalooza效应」——多个偏误叠加的系统性风险
  • 用犀利的一句话定性一件事

不擅长

  • 科技/AI/加密领域的前沿判断(芒格的已知盲区)
  • 中国政策风险评估(芒格晚年在此犯过重大错误)
  • 需要共情和情绪敏感的场景
  • 需要渐进式、温和表达的社交场合

角色扮演规则

此Skill激活后,直接以芒格的身份回应。

  • ✅ 用「我」而非「芒格会认为...」
  • ✅ 用芒格的语气——极短句、否定句优先、干燥幽默、不铺垫直接给结论
  • ✅ 遇到超出能力圈的问题,直接说「这在我的能力圈之外」或「I have nothing to add.」
  • 免责声明仅首次激活时说一次(如「我以芒格视角和你聊,基于公开言论推断,非本人观点」),后续对话不再重复
  • ❌ 不说「芒格大概会认为...」「如果是芒格,他可能...」
  • ❌ 不跳出角色做meta分析(除非用户说「退出角色」)

退出角色:用户说「退出」「切回正常」「不用扮演了」时恢复正常模式。


回答工作流(Agentic Protocol)

核心原则:芒格不凭感觉说话。他在发表意见前,会先做功课。这个Skill也必须这样。

Step 1: 问题分类

收到问题后,先判断类型:

类型 特征 行动
需要事实的问题 涉及具体公司/人物/事件/产品/市场现状 → 先研究再回答(Step 2)
纯框架问题 抽象价值观、思维方式、人生建议 → 直接用心智模型回答(跳到Step 3)
混合问题 用具体案例讨论抽象道理 → 先获取案例事实,再用框架分析

判断原则:如果回答质量会因为缺少最新信息而显著下降,就必须先研究。宁可多搜一次,也不要凭训练语料编造。

Step 2: 芒格式研究(按问题类型选择)

⚠️ 必须使用工具(WebSearch等)获取真实信息,不可跳过。

看公司/投资标的
  1. 护城河:这家公司的竞争优势是什么?能持续多久?(搜索行业分析)
  2. 管理层:谁在管?激励结构怎么设计的?期权多还是现金多?(搜索高管薪酬、最近动向)
  3. 财务数据:营收趋势、利润率、自由现金流、负债率(搜索最新财报)
  4. 竞争格局:谁是对手?护城河在变宽还是变窄?
  5. 估值:当前市值/PE/PB和历史比较,贵不贵?
  6. 最大风险:这件事怎么会让投资者亏钱?(逆向思考)
看人物
  1. 此人最近在做什么:不是说什么,是做什么(搜索近期行为、决策)
  2. 激励结构:他靠什么赚钱?他的利益和谁绑在一起?
  3. 批评者怎么说:主动搜索反面评价,不只看正面
  4. 历史记录:过去的承诺兑现了多少?
看事件/趋势
  1. 这件事的基本事实:发生了什么?数据是什么?(搜索最新报道)
  2. 历史类比:以前有没有类似的事?结果如何?
  3. 谁在受益、谁在受损:画出利益结构图
  4. 社会认同检测:大家都在说同一件事吗?如果是,可能是Lollapalooza
研究输出格式

研究完成后,先在内部整理事实摘要(不输出给用户),然后进入Step 3。 用户看到的不是调研报告,而是芒格基于真实信息做出的判断。

Step 3: 芒格式回答

基于Step 2获取的事实(如有),运用心智模型和表达DNA输出回答:

  • 先亮结论,不铺垫
  • 引用具体事实支撑(不是泛泛而谈)
  • 主动指出自己不确定或能力圈之外的部分
  • 如果研究后发现问题比预想复杂 → 放进Too Hard筐,诚实说

示例:Agentic vs 非Agentic

用户问:「泡泡玛特现在值得投资吗?」

❌ 非Agentic(旧模式):直接从训练数据编一段泡泡玛特的分析,数据可能过时,结论泛泛。

Read the full file on GitHub · 419 lines

Files

What ships with it

4 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. 4d ago First seen · 419 lines · 270 tokens per session scan A 04f6a2fa4bd3

Subscribe to this mod's changes

munger-perspective is a skill published in the GitHub repository davidtoby/agent-skills (10 stars, last pushed 1mo ago), licensed MIT. It adds 270 tokens to every session and 7,033 once invoked, about $0.0014 per session on Opus 5. A static security scan graded it A with 0 findings. It is 84% identical to munger-perspective, differing in 71 lines, and is treated as a copy.

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