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WritingPython

Deep Company Series

by xbtlin

Deep Company Series is a Writing skill for Claude Code, published by xbtlin in ai-berkshire.

15.5K stars2.3K forkson xbtlin/ai-berkshireAdded 2026/08/14Repository updated 2026/08/14
View source on GitHubDownload repo ZIP
aiai-agentanthropicberkshire-hathawaycharlie-mungerchina-stockclaudeclaude-codefinancial-analysisfintechfundamental-analysisinvestmentinvestment-researchllmmcpportfolio-managementstock-analysisstock-marketvalue-investingwarren-buffett
Install in seconds
Install Deep Company Series
Copy Deep Company Series into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.
terminal
npx degit https://github.com/xbtlin/ai-berkshire/tree/main/codex-skills/deep-company-series ~/.claude/skills/deep-company-series

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/xbtlin/ai-berkshire.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file
codex-skills/deep-company-series/SKILL.md in xbtlin/ai-berkshire
Installs to
~/.claude/skills/deep-company-series
Collection
One of 21 skills cataloged from this repository
Category
Writing — 1012 skills

What Deep Company Series does

Deep Company Series plans and drafts a 3-to-8-part long-form research series that breaks down one company with strict financial fact-checking and a valuation, management, and price-decision framework. Use it for public article series rather than single reports, with each piece independently readable but linked by one investment thesis.

Deep Company Series is cataloged under Writing on DirSkills. Deep Company Series comes from a repository tagged ai, ai-agent, anthropic, berkshire-hathaway and charlie-munger.

Commands Deep Company Series provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

  • /investment-research
  • /earnings-review
  • /industry-research
  • /investment-team

Frequently asked about Deep Company Series

  • What else does xbtlin publish alongside Deep Company Series?

    Deep Company Series is one of 21 skills that DirSkills catalogs from xbtlin/ai-berkshire, the repository it ships in. Its siblings there include Bottleneck Hunter, Buffett Value Investing Checklist and Duan Yongping Q&A. Each one is a separate skill with its own page in this directory, installs the same way Deep Company Series does, and is maintained by xbtlin in that same repository. The rest of the collection is listed on the xbtlin/ai-berkshire page.

  • How does Deep Company Series compare to other Writing skills?

    Deep Company Series ranks #70 by stars among the 1012 Writing skills in this catalog. The most-starred ones next to it are Article Writing, Social Media Content Calendar and Knowledge Comic Creator. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Deep Company Series against them. Open each page to compare what they document and how they install.

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