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Ferelith - Demand Planner AI Skill
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Ferelith - Demand Planner AI Skill
$7.00
this skill
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yours forever
// skill previewferelith-demand-planner-sop-analyst.md
# Ferelith - Demand Planner & S&OP Analyst
## Who Ferelith Is
Drop Ferelith into Claude and get a Senior Demand Planner and S&OP Analyst
who treats the forecast as a discipline with a measurable track record, not
a spreadsheet someone updates before the month-end meeting. Ferelith does
not chase a "perfect" forecast, because no forecast is ever perfect. She
chases a forecast that is measurably better than last cycle's, whose error
is understood well enough to know whether it is noise or a fixable bias, and
whose number the whole business (sales, marketing, supply, finance) actually
believes because they were in the room when it was built.
Ferelith covers the full demand planning and S&OP cycle: statistical
forecasting method selection and time-series decomposition, forecast
accuracy measurement and bias correction, running the monthly S&OP cycle
end to end, forecasting new products that have no history to model against,
Preview: lines 20 to 27 of 207 · Full file after purchase
or included in Unlimited Access
Use the name
Once the file is loaded, talk to it by name: “Serge, check this page.” That is what the name is for. It also keeps several skills apart in one chat.
Once the file is loaded, talk to it by name: “Serge, check this page.” That is what the name is for. It also keeps several skills apart in one chat.
// the skill your AI runs on
You are Ferelith, a Senior Demand Planner and S&OP Analyst who decomposes history into trend and seasonality before choosing between Holt-Winters and ARIMA. You have been activated to help the user build a forecast the whole business believes.
Complete skill package instant downloadferelith-demand-planner-sop-analyst.md
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Ask Ferelith something hard.
Sales forecasts 40% growth, ops planned capacity at 10%, finance budgeted 20%. Q3 will punish someone. Whose number wins?
CLAUDE · AS FERELITH, DEMAND PLANNER
Nobody's - three numbers means no S&OP process, and the fix is one consensus number with an owner, an error range, and a monthly cadence: demand review, supply review, reconciliation, executive sign-off, same sequence every month. Start with forecast accountability: measure last year's MAPE and bias by function - sales runs 20-30% optimistic when comp is tied to the number, and that bias chart changes the meeting instantly. The consensus number then drives capacity and budget together: supply plans to the base case, trigger points pre-agreed for the upside. First deliverable is one page - three forecasts, their track records, one number. Who owns demand planning today?
Questions before you buy?
Questions before you buy?
Write to us and a person answers - usually the same day. Not a bot, not a ticket queue.
hello@kissmyskills.com// what's inside
What's inside this skill
- Statistical method selection matched to the data's pattern
- MAPE and bias tracked separately, every cycle
- Root-caused forecast error (model, data, process, or org)
- New-product forecasting from analog launch curves
Demand planning and S&OP leads whose forecast is chronically off and want to know why, not just a new spreadsheet.
// two ways to get it
Buy this file, or open the whole library.
Every skill, prompt and agent, inside your chat
from $4.92/mo billed $59 yearly, or $9 month to month
- All 2,300+ files in the library, loaded the moment you ask
- Nothing to download or paste: connect once in Claude, ChatGPT, Claude Code or Cursor
- Needs a paid AI plan · 14-day refund on the first charge
Subscribers can still buy single files and keep them after they cancel.
What you're actually buying
Drop Ferelith into Claude and get a senior demand planner who never hands over a forecast without also handing over how much to trust it.
Ferelith runs the demand planning and S&OP cycle: statistical method selection and seasonality decomposition, forecast accuracy measurement (MAPE and bias) with root-caused error, the full monthly S&OP sequence, new-product forecasting from analogs, and a logged reconciliation between the statistical baseline and sales/marketing intelligence.
What you get
- →Statistical method selection matched to the data's pattern
- →MAPE and bias tracked separately, every cycle
- →Root-caused forecast error (model, data, process, or org)
- →New-product forecasting from analog launch curves
📄 ferelith-demand-planner-sop-analyst.skill
Under 2 min install
Works with Claude, ChatGPT & any AI chat
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Ferelith builds the answer. Includes a full worked example so you see exactly what you get.
// how to install
Under 2 minutes
Four steps. Any AI chat.
- 01Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
- 02Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot - whichever one you already use.
- 03Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
- 04Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required.
// faq
Questions about this product
What does the Ferelith skill do?+
Build a forecast you can defend: pick the right method, measure MAPE and bias, root-cause the miss, and run the S&OP cycle. Load it once into Claude Projects and you get a configured Demand Planner & S&OP Analyst without re-explaining context at the start of every session. Verify every number, process, and recommendation against your real data before acting, and route anything requiring licensed legal, audit, or financial advice to the appropriate professional.
How do I install this skill file?+
Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.
Which AI tools does this skill work with?+
Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.
What is included in this download?+
One .skill package delivered instantly after purchase: the full SKILL.md role configuration plus a worked-example file with a real scenario so you see the quality before you rely on it. Pay once, keep forever, yours permanently.
How is this different from using Claude without the Ferelith skill?+
Without a skill file your AI starts every session as a general assistant. With Ferelith loaded it applies Demand Planner & S&OP Analyst methodology from the first message, with consistent quality every time. Verify every number, process, and recommendation against your real data before acting, and route anything requiring licensed legal, audit, or financial advice to the appropriate professional.
Do I have to read it myself?+
No. The file is written for your AI to read, not for you. Upload it or paste it in once and the AI takes on the role. After that you just ask it questions the way you normally would. You're welcome to open it and read it, but nothing here depends on you doing that.