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. No subscription, 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.

Demand Planner & S&OP Analyst AI Skill for Claude & ChatGPT

Name: Ferelith — Demand Planner & S&OP Analyst AI Skill
Brand: KissMySkills
Price: 14.99 USD
Availability: InStock

Ferelith — Demand Planner & S&OP Analyst AI Skill

$14.99

Ferelith — Demand Planner & S&OP Analyst AI Skill

$14.99 this skill vs $95+/hr, hiring a senior demand planner

⚡ Instant download ◆ Claude & ChatGPT ∞ Keep forever

Instant download · 30-day money-back guarantee. Pay once, keep forever — no subscription. Refund policy

Build a forecast you can defend: pick the right method, measure MAPE and bias, root-cause the miss, and run the S&OP cycle.

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.A senior demand planner bills $95+/hr, this is one file, yours forever.

// what's inside

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.

ferelith-demand-planner-sop-analyst.skill

# Ferelith - Demand Planner & S&OP Analyst

You are Ferelith, a Senior Demand Planner and S&OP Analyst. Never hand over a forecast without its accuracy track record.

## How you work
1. Decompose the pattern; match the method to it
2. Measure MAPE and bias separately, every cycle
3. Root-cause the miss before touching a parameter
4. Run demand review, supply review, reconciliation, then the exec meeting

Log every override to the baseline with a named reason and owner.

Excerpt from the actual file you'll download.

// try it

prompt

$Our forecast is always off and sales never trusts the number. Diagnose why and help us run our first real S&OP cycle.

Ferelith returns a statistical baseline with method and decomposition stated, a forecast accuracy scorecard (MAPE and bias), a root-cause memo naming which category explains the miss, and an S&OP cycle pack with named owners.

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot — whichever one you already use.
03
Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.