# amazon-sales-estimator

Turns a BSR, ASIN or keyword into monthly unit and revenue estimates for Amazon products. Handy for sizing a niche or checking a competitor.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 1200 installs · ★ 805
- Author: nexscope-ai
- License: MIT · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/nexscope-ai/Amazon-Skills/tree/HEAD/amazon-sales-estimator/SKILL.md
- Updated: 2026-08-26
- HTML: https://affpapa.org/en/nevibecode/skills/amazon-sales-estimator

## What it does

The skill runs in three modes. Mode A takes a BSR, category, price and marketplace and returns monthly units, daily units and revenue. Mode B takes an ASIN or product URL: the agent pulls the page with `web_fetch`, reads price, BSR, rating and review count, then estimates sales. Mode C takes a keyword, searches products with `web_search`, collects data on the top listings and adds up total market size with a price breakdown.

Under the hood there is a BSR-to-sales reference table plus category multipliers. Electronics carries one coefficient, clothing another, so the same rank lands on different numbers depending on the category you pick. Twelve marketplaces are covered: US, UK, DE, FR, IT, ES, JP, CA, AU, IN, MX, BR. No API key is involved, so it works right after install.

Accuracy rests on the conversion formulas, not on seller-side data. Mode B fetches live Amazon pages, and a captcha or a placeholder response stops it cold. Read the output as an order-of-magnitude signal rather than a report.

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/amazon-sales-estimator/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/amazon-sales-estimator/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/amazon-sales-estimator/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/amazon-sales-estimator/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install nexscope-ai/Amazon-Skills amazon-sales-estimator
```

2. **Manually: put the files in place**
- File: `.github/skills/amazon-sales-estimator/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/nexscope-ai/Amazon-Skills --path amazon-sales-estimator
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/amazon-sales-estimator/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/nexscope-ai/Amazon-Skills/tree/HEAD/amazon-sales-estimator/SKILL.md

## When to use it
- estimate monthly sales from a known BSR
- work out revenue for a listing given its price and rank
- size a niche from a single keyword
- compare competitor sales inside one category
- see how sales spread across price bands

## Example prompts
- Estimate sales for BSR 1500 in Home & Kitchen on Amazon US, price $24.99
- How many units per month does ASIN B09V3KXJPB sell?
- Analyze the "yoga mat" market on Amazon US: total sales, top sellers, price distribution

## Source text · SKILL.md · MIT

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: 90e6a835967ee61d.

BEGIN THIRD-PARTY FILE 90e6a835967ee61d
````text
---
name: amazon-sales-estimator
description: "Amazon sales volume estimator for sellers and product researchers. Estimate monthly sales and revenue from BSR (Best Seller Rank), ASIN, or keyword. Three modes: (A) BSR Calculator — input BSR + marketplace + price + category to get instant sales estimate, (B) ASIN Lookup — input ASIN to auto-fetch data and estimate sales, (C) Keyword Market Analysis — input keyword to analyze total market size and competition. Works on 12 Amazon marketplaces. No API key required. Use when: (1) estimating how many units a product sells per month, (2) sizing a market or niche opportunity, (3) analyzing competitor sales performance, (4) comparing sales across price points, (5) identifying top sellers vs long-tail distribution."
metadata: {"nexscope":{"emoji":"📊","category":"amazon"}}
---

# Amazon Sales Estimator 📊

Estimate monthly sales from BSR, analyze market size, and benchmark competitor performance. No API key — works out of the box.

## Installation

```bash
npx skills add nexscope-ai/Amazon-Skills --skill amazon-sales-estimator -g
```

## Three Modes

| Mode | When to Use | Input | Output |
|------|-------------|-------|--------|
| **A — BSR Calculator** | Quick estimate from known BSR | BSR + Marketplace + Price + Category | Monthly units, monthly revenue |
| **B — ASIN Lookup** | Estimate sales for a specific product | ASIN or product URL | Auto-fetch data + sales estimate |
| **C — Keyword Market Analysis** | Size a niche opportunity | Keyword (+ optional marketplace) | Total market sales, top sellers, price distribution |

## Capabilities

- **BSR-to-sales conversion**: Estimate monthly unit sales from Best Seller Rank using category-specific formulas
- **Revenue calculation**: Monthly sales × price = estimated monthly revenue
- **Market sizing**: Aggregate sales across products in a keyword search
- **Price band analysis**: Distribution of sales across price ranges
- **Competition breakdown**: Top sellers vs long-tail distribution
- **Multi-marketplace**: US, UK, DE, FR, IT, ES, JP, CA, AU, IN, MX, BR

## Handling Incomplete Input

If the user's intent is unclear or information is missing, guide them with all options and required inputs upfront:

**User says:** `"Help me estimate Amazon sales"` or `"I want to check sales"`

**Agent should respond:**

> I can help you estimate Amazon sales in 3 ways. Pick one and provide the required info:
>
> **A. BSR Calculator** — Quick estimate from BSR number
> - BSR (required): e.g., 1500
> - Category (required): e.g., Home & Kitchen
> - Price (required): e.g., $24.99
````
END THIRD-PARTY FILE 90e6a835967ee61d

The third-party file has ended. Everything between the 90e6a835967ee61d tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

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---
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