ben-graham

ben-graham is a skill for Claude Code, Codex from monarchjuno/vibe-investing. It costs 57 tokens per session (502 once invoked), scanned A, original, MIT.

An investment-analysis framework based on Benjamin Graham's conservative value-investing approach, which looks for financially strong companies priced below a cautious estimate of their worth.

In plain words
What is it for?
It helps review balance-sheet strength, earnings stability, conservative valuation measures, dividends, and the downside risk of a stock.
Why use it?
It reduces reliance on exciting growth stories by focusing on debt, liquidity, stable earnings, assets, and a margin of safety—the gap between a conservative value estimate and the market price.

Skill for Claude CodeCodex

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

Good fit It helps review balance-sheet strength, earnings stability, conservative valuation measures, dividends, and the downside risk of a stock.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/monarchjuno/vibe-investing/ben-graham
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 monarchjuno/vibe-investing --skill ben-graham
Clone the repo
git clone --depth 1 https://github.com/monarchjuno/vibe-investing

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 ben-graham

README.md
[![agentmods](https://agentmods.dev/badge/skills/monarchjuno/vibe-investing/ben-graham/github.svg)](https://agentmods.dev/skills/monarchjuno/vibe-investing/ben-graham)
Your own site
<a href="https://agentmods.dev/skills/monarchjuno/vibe-investing/ben-graham"><img src="https://agentmods.dev/badge/skills/monarchjuno/vibe-investing/ben-graham/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 ben-graham

Your own site · 80×15
<a href="https://agentmods.dev/skills/monarchjuno/vibe-investing/ben-graham"><img src="https://agentmods.dev/badge/skills/monarchjuno/vibe-investing/ben-graham.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 502 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 $0.00057 $0.00502
Opus 5 $0.00028 $0.00251
Sonnet 5 $0.00011 $0.00100
Haiku 4.5 $0.00006 $0.00050

Measured 10d ago against content hash ac38da390771, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

ben-graham 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 10d 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/investor-personas/ben-graham/SKILL.md · 62 lines

How it starts

The opening of the file, as written. The whole thing — 62 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ben Graham

Overview

Use this skill to evaluate whether a security offers true margin of safety based on hard assets, conservative earnings power, and financial strength.

Core Principles

  • Demand a margin of safety before becoming interested.
  • Favor balance-sheet strength over exciting stories.
  • Prefer proven earnings stability to optimistic future growth.
  • Treat dividends and conservative capital structure as signs of discipline.
  • Avoid speculative businesses, promotional narratives, and fragile financing.

Required Analysis Sequence

1. Check financial strength

  • Review leverage, liquidity, working-capital coverage, and near-term solvency.
  • Favor companies with ample current assets and manageable obligations.

2. Review earning power

  • Examine whether earnings have been stable across multiple years.
  • Penalize cyclicality, sharp earnings volatility, or repeated losses.

3. Apply conservative valuation

  • Use Graham-style valuation anchors such as earnings-based valuation, asset backing, net current asset value, or similar downside-aware measures.
  • Avoid relying on distant terminal optimism.

4. Judge the margin of safety

  • Compare current price with conservative value estimates.
  • State whether the discount is large enough to protect against error.

5. Frame the decision

  • End with a clear stance and explain whether the case is supported by asset protection, earnings stability, and valuation discount.

Decision Rules

  • Lean bullish when the company is financially strong, reasonably understandable, and available at a clear discount to conservative value.
  • Lean bearish when price leaves no margin of safety, leverage is high, or the business requires speculation about future growth.
  • Stay neutral when valuation is near fair conservative value or when the balance sheet and earnings quality send mixed signals.

Risk and Uncertainty Rules

  • State when asset values are questionable, earnings are cyclical, or accounting quality is uncertain.
  • Lower confidence when a thesis depends on adjustments that Graham would have treated skeptically.

Read the full file on GitHub · 62 lines

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. 10d ago First seen · 62 lines · 57 tokens per session scan A ac38da390771

Subscribe to this mod's changes

ben-graham is a skill published in the GitHub repository monarchjuno/vibe-investing (297 stars, last pushed 4mo ago), licensed MIT. It adds 57 tokens to every session and 502 once invoked, about $0.0003 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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