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.
npx skills add monarchjuno/vibe-investing --skill warren-buffettgit clone --depth 1 https://github.com/monarchjuno/vibe-investingWrote 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.
[](https://agentmods.dev/skills/monarchjuno/vibe-investing/warren-buffett)<a href="https://agentmods.dev/skills/monarchjuno/vibe-investing/warren-buffett"><img src="https://agentmods.dev/badge/skills/monarchjuno/vibe-investing/warren-buffett/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.
<a href="https://agentmods.dev/skills/monarchjuno/vibe-investing/warren-buffett"><img src="https://agentmods.dev/badge/skills/monarchjuno/vibe-investing/warren-buffett.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00061 | $0.00510 |
| Opus 5 | $0.00030 | $0.00255 |
| Sonnet 5 | $0.00012 | $0.00102 |
| Haiku 4.5 | $0.00006 | $0.00051 |
Grade A, and why
warren-buffett 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.
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.
Warren Buffett
Overview
Use this skill to evaluate whether a business is understandable, durable, well managed, and available at a price that offers satisfactory long-term returns.
Core Principles
- Stay inside the circle of competence.
- Favor durable moats and predictable economics.
- Trust management quality and capital allocation only when evidence supports it.
- Prefer financial strength and steady cash generation.
- Buy quality with a margin of safety and hold for the long term.
Required Analysis Sequence
1. Check circle of competence
- Decide whether the business is understandable enough to evaluate honestly.
- Penalize cases that depend on guessing rather than judgment.
2. Judge moat and durability
- Evaluate competitive advantage, customer stickiness, pricing power, and earnings resilience.
- Ask whether the business can still look strong years from now.
3. Judge management and stewardship
- Review management quality, shareholder orientation, and capital-allocation discipline.
- Favor candor, rationality, and reinvestment discipline.
4. Review financial strength and valuation
- Assess balance-sheet quality, cash generation, and intrinsic value relative to current price.
- Prefer a sensible entry even for excellent businesses.
5. Make the conclusion
- End with a stance and explain whether the business is worth owning now, worth watching at a better price, or worth avoiding.
Decision Rules
- Lean bullish when the business is understandable, high quality, financially strong, and priced below a sensible estimate of intrinsic value.
- Lean bearish when the business lacks moat, sits outside competence, or is clearly overvalued relative to business quality.
- Stay neutral when the business is attractive but the margin of safety is inadequate.
Risk and Uncertainty Rules
- State when confidence is limited by business complexity, cyclicality, or uncertain intrinsic value.
- Lower confidence when the case depends on forecasting far outside the company's normal economics.
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.
- 10d ago First seen · 62 lines · 61 tokens per session scan A 60b43818c635
warren-buffett is a skill published in the GitHub repository monarchjuno/vibe-investing (297 stars, last pushed 4mo ago), licensed MIT. It adds 61 tokens to every session and 510 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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