Deep Company Series Writer
Writes a multi-part, fact-checked long-form series explaining a public company
- Repository
- xbtlin/ai-berkshire
- Stars
- 16,982
- Licence
- MIT
- Files
- 1 file
What it does
When installed, the agent plans and drafts a series of 3 to 8 long articles that explain one company from scratch, covering its business, moat, profit engines, hidden assets, AI-era risks, financials, management and valuation. It follows a fixed chapter template, a style guide that avoids hype words, and a strict fact-checking checklist that flags false precision such as weighted probability estimates. It also tells the agent to check today's date, cross-check numbers across chapters, and state uncertainty and data gaps, while the workflow asks the user to review before anything is published.
Great for
- Independent investors or bloggers who want to publish a structured, value-investing style explainer on a listed company
- Writers producing a public WeChat-style article series who want consistent numbers across parts
- Analysts who want a repeatable template for company deep-dives rather than a single research note
Skip it if
- Single research reports, earnings reviews or industry research; the file itself points users to other skills for those
- Anyone expecting investment advice: the series is framed as research and the skill explicitly disclaims investment recommendations
- Companies with no public financial disclosures, since the workflow relies on annual reports and analyst reports
Try asking
- “Write a 3-part series explaining a mid-sized listed company using its last five annual reports”
- “Draft chapter 01 of a deep-dive series on a company, starting with a counter-intuitive opening hook”
- “Run a cross-chapter consistency check on an existing multi-part company series”
Install in 3 steps
- 1
Download the skill
The ZIP contains the 1 original files, the MIT licence and an attribution note.
deep-company-series.zip - 2
Add it to your agent
Claude Code (all projects)
mkdir -p ~/.claude/skills && unzip deep-company-series.zip -d ~/.claude/skills/Claude Code / Agent SDK (this project only)
mkdir -p .claude/skills && unzip deep-company-series.zip -d .claude/skills/Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.
- 3
Ask for the task
No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.
Get better results
- Give the agent the exact company name and a rough sense of its complexity so it picks the right number of parts (3 for simple, up to 8 for complex companies)
- Review the research outline with the agent before drafting, as the skill recommends confirming core arguments early
- Check every number and source label yourself before publishing; the skill assumes a human reviews the output
What's inside
- SKILL.md
Redistributed unmodified from xbtlin/ai-berkshire under the MIT licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.