Agent skill

Phil Fisher

by monarchjuno in monarchjuno/vibe-investing

Analyze an investment through Phil Fisher's scuttlebutt-driven growth lens.

MITAuto-check passedBusiness, Finance & HR

Install Phil Fisher

skills CLI
$ npx skills add monarchjuno/vibe-investing --skill phil-fisher -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install monarchjuno/vibe-investing phil-fisher --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/monarchjuno/vibe-investing.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/investor-personas/phil-fisher .claude/skills/phil-fisher && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
phil-fisher
GitHub stars
299
Token cost
~671 tokens
SKILL.md length
294 words
Files
1
Skills in repo
18
Repo updated
First seen
Licence
MIT

At a glance

Analyze an investment through Phil Fisher's scuttlebutt-driven growth lens.

  • Works in 5 steps: Judge management and culture → Review growth engine → Check profitability quality → …
  • The analysis should focus on management quality
  • SKILL.md covers Overview, Core Principles, Required Analysis Sequence and Decision Rules, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Phil Fisher is an agent skill from monarchjuno/vibe-investing. Analyze an investment through Phil Fisher's scuttlebutt-driven growth lens. Use when the analysis should focus on management quality, long-duration growth potential, R&D and product pipeline, durable margins, qualitative competitive advantage, and whether deeper fundamental investigation supports paying up for an exceptional business.

Its SKILL.md is about 670 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Business, Finance & HR. The repository describes itself as: Vibe Investing Skill Library. The licence is MIT.

When your agent uses it

  • The analysis should focus on management quality
  • Long-duration growth potential
  • R&D and product pipeline
  • Durable margins

Example prompts

  • “/phil-fisher”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Judge management and culture
  2. Review growth engine
  3. Check profitability quality
  4. Evaluate competitive endurance
  5. Conclude with long-term quality

What it can do on your machine

Read from SKILL.md and the folder at commit 15954a6. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Phil Fisher loads about 671 tokens when it runs. Until then it costs about 87 tokens; SKILL.md has 294 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~87
When it runs · the whole SKILL.md, loaded when a task matches
~671

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from monarchjuno/vibe-investing at commit 15954a6, republished under its MIT licence (© monarchjuno). 294 words, ~671 tokens.

Download SKILL.mdSave it as .claude/skills/phil-fisher/SKILL.md (or your agent's skills folder).
name
phil-fisher
description
Analyze an investment through Phil Fisher's scuttlebutt-driven growth lens. Use when the analysis should focus on management quality, long-duration growth potential, R&D and product pipeline, durable margins, qualitative competitive advantage, and whether deeper fundamental investigation supports paying up for an exceptional business.

Phil Fisher

Overview

Use this skill to judge whether a company has the management quality, innovation engine, and competitive durability needed for long-term compounding.

Core Principles

  • Seek exceptional businesses that can grow for a long time.
  • Respect qualitative research and scuttlebutt, not just surface metrics.
  • Focus on management quality, product development, and sales strength.
  • Favor companies that reinvest intelligently into future opportunity.
  • Accept a fair premium for exceptional quality, but not for hollow narratives.

Required Analysis Sequence

1. Judge management and culture
  • Assess strategic clarity, capital allocation, operating discipline, and long-term orientation.
  • Look for evidence that management can scale without degrading quality.
2. Review growth engine
  • Examine R&D, product pipeline, market development, customer relationships, and the company's ability to sustain expansion.
3. Check profitability quality
  • Review margins, pricing power, and whether profitability supports continued reinvestment.
  • Prefer consistency over one-off spikes.
4. Evaluate competitive endurance
  • Ask whether the company has a durable edge in innovation, distribution, customer trust, or execution.
5. Conclude with long-term quality
  • End with a stance and explain whether the company deserves a long-duration growth investor's attention.

Decision Rules

  • Lean bullish when management quality is high, innovation spending is productive, and competitive advantages support years of profitable growth.
  • Lean bearish when growth is superficial, R&D is unproductive, or management quality appears weak.
  • Stay neutral when the business is good but evidence of long-duration superiority remains incomplete or already fully priced.

Risk and Uncertainty Rules

  • State when the scuttlebutt case is thin because key qualitative evidence is missing.
  • Lower confidence when conclusions rely too heavily on management promises rather than operating proof.

Anti-Hallucination Rules

  • Do not invent channel checks, management quality, or product-pipeline strength.
  • Distinguish reported fundamentals from qualitative judgments.
  • If scuttlebutt-style evidence is unavailable, say that the qualitative edge case is incomplete.

© monarchjuno, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/investor-personas/phil-fisher of monarchjuno/vibe-investing.

Open the folder on GitHubat commit 15954a6

Compare with similar skills

Phil Fisher next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Phil Fisher compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Phil Fisher this skillmonarchjuno/vibe-investing299—~671Automated safety check: PassMIT
Technical Analysttradermonty/claude-trading-skills3k4 repos~4.6kAutomated safety check: PassMIT
Theme Detectortradermonty/claude-trading-skills3k2 repos~4.9kAutomated safety check: PassMIT
Creating Financial ModelsChen-zexi/open-ptc-agent7293 repos~1.3kAutomated safety check: PassMIT
Stock APIzhangxiangliang/stock-api2k—~507Automated safety check: PassMIT
Itr Walakaranb192/itr-wala871—~3.6kAutomated safety check: PassMIT

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Questions about Phil Fisher

What does Phil Fisher do?

Analyze an investment through Phil Fisher's scuttlebutt-driven growth lens. Phil Fisher is an agent skill from monarchjuno/vibe-investing. Analyze an investment through Phil Fisher's scuttlebutt-driven growth lens.

When should I use Phil Fisher?

Phil Fisher fits situations like: the analysis should focus on management quality; long-duration growth potential; R&D and product pipeline; durable margins.

How do I install Phil Fisher in Claude Code?

Run `npx skills add monarchjuno/vibe-investing --skill phil-fisher -a claude-code`. Or copy the skill folder (skills/investor-personas/phil-fisher in monarchjuno/vibe-investing) into .claude/skills/phil-fisher in your project. Claude Code loads it when a task matches its description.

How do I install Phil Fisher in Codex?

Run `npx skills add monarchjuno/vibe-investing --skill phil-fisher -a codex`. Or copy the skill folder (skills/investor-personas/phil-fisher in monarchjuno/vibe-investing) into .agents/skills/phil-fisher in your project. Codex loads it when a task matches its description.

Can I use Phil Fisher in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add monarchjuno/vibe-investing --skill phil-fisher -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/phil-fisher, .gemini/skills/phil-fisher, .github/skills/phil-fisher and .opencode/skills/phil-fisher in your project.

What does Phil Fisher need to run?

SKILL.md names no scripts, command-line tools or credentials: Phil Fisher is instructions for the agent only.

Does Phil Fisher access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Phil Fisher safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Phil Fisher use?

Phil Fisher is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Phil Fisher use?

About 671 tokens (SKILL.md is roughly 2.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Phil Fisher?

Skills that share tags, products or a category with Phil Fisher: Technical Analyst (tradermonty/claude-trading-skills, 3k stars), Theme Detector (tradermonty/claude-trading-skills, 3k stars), Creating Financial Models (Chen-zexi/open-ptc-agent, 729 stars) and Stock API (zhangxiangliang/stock-api, 2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Phil Fisher?

monarchjuno (a GitHub user) maintains it in monarchjuno/vibe-investing, which has 299 GitHub stars. The repository holds 18 skills in this directory. The repository was last updated on May 10, 2026.

Source: monarchjuno/vibe-investing on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.