Estimate monthly sales via BSR, analyze market size, and benchmark competitor performance. No API key required — works out of the box.
Three Modes
| Mode | Use Case | Input | Output |
|---|---|---|---|
| A — BSR Calculator | Quick estimates from a known BSR | BSR + marketplace + price + category | Monthly sales, monthly revenue |
| B — ASIN Lookup | Estimate sales for a specific product | ASIN or product URL | Automatically fetched data + sales estimates |
| C — Keyword Market Analysis | Assess niche opportunities | Keyword (+ optional marketplace) | Total market sales, top sellers, price distribution |
Features
- BSR-to-Sales Conversion: Estimate monthly sales from Best Sellers Rank using category-specific formulas
- Revenue Calculation: Monthly sales × price = estimated monthly revenue
- Market Assessment: Aggregate sales of products in keyword searches
- Price Band Analysis: Distribution of sales across different price ranges
- Competitive Segmentation: Top sellers vs long-tail distribution
- Multi-Marketplace Support: United States, United Kingdom, Germany, France, Italy, Spain, Japan, Canada, Australia, India, Mexico, Brazil
Handling Incomplete Input
If the user's intent is unclear or information is missing, proactively guide them through all options and required inputs:
User says: "Help me estimate Amazon sales" or "I want to check sales"
Agent should reply:
I can help you estimate Amazon sales in 3 ways. Choose one and provide the required information:
A. BSR Calculator — Quick estimates from a BSR number
- BSR (required): e.g. 1500
- Category (required): e.g. Home & Kitchen
- Price (required): e.g. $24.99
- Marketplace (optional, defaults to United States)
B. ASIN Lookup — Check sales for a specific product
- ASIN or URL (required): e.g. B09V3KXJPB
- Marketplace (optional, defaults to United States)
C. Market Analysis — Assess keyword/niche opportunities
- Keyword (required): e.g. "yoga mat"
- Marketplace (optional, defaults to United States)
- Filters (optional): price range, minimum review count
Example: "Mode A: BSR 1500, Home & Kitchen, $24.99" or "Mode B: B09V3KXJPB"
Mode A — BSR Calculator
Input
| Field | Required | Description | Example |
|---|---|---|---|
| BSR | ✅ | Best Sellers Rank number | 1500 |
| Marketplace | ✅ | Amazon marketplace | US, UK, DE, JP... |
| List price | ✅ | Product price | $24.99 |
| Category | ✅ | Product category | Home & Kitchen |
Usage example
估算亚马逊美国家居厨房类BSR 1500的销售,价格$24.99
BSR 500,电子产品,德国市场,价格€39.99
BSR排名10,000的体育户外产品,月销量是多少?价格$15.99
Workflow
- Receive input: BSR, category, price, marketplace
- Look up base sales: use the marketplace's BSR-to-sales reference table
- Apply category multiplier: adjust by category (electronics 1.2x, apparel 0.8x, etc.)
- Calculate monthly sales: base sales × category multiplier
- Calculate revenue: monthly sales × price
- Output results: monthly sales, daily sales, monthly revenue
Output
# 📊 销售估算
**输入:**
- BSR:家居厨房 #1,500
- 市场:亚马逊美国
- 价格:$24.99
**结果:**
| 指标 | 估算 |
|--------|----------|
| **估算月销量** | ~450件 |
| **估算月收入** | ~$11,246 |
| **估算日销量** | ~15件 |
*基于所选类目和市场的BSR转销售公式估算。*
Mode B — ASIN lookup
Input
| Field | Required | Description | Example |
|---|---|---|---|
| ASIN | ✅ | Amazon product ID or URL | B09V3KXJPB |
| Marketplace | Optional | Defaults to United States | UK, DE, JP... |
Usage example
估算ASIN B09V3KXJPB的月销量
这个产品月销量是多少?https://www.amazon.com/dp/B0D72TSM62
获取亚马逊德国B0CPY1GFVZ的销售估算
Workflow
- Use
web_fetchto get the Amazon product pageproduct data - Extract: title, price, BSR, category, rating, reviews
- For that category and marketplaceapply the BSR-to-sales formula
- Calculate revenue: monthly sales × price
Output
# 📊 销售估算:B09V3KXJPB
## 产品信息
- **标题:** [产品标题]
- **价格:** $24.99
- **BSR:** 家居厨房 #1,500
- **评分:** 4.5★(1,234条评论)
## 销售估算
| 指标 | 估算 |
|--------|----------|
| **估算月销量** | ~450件 |
| **估算月收入** | ~$11,246 |
| **估算日销量** | ~15件 |
## 竞争背景
- 排名家居厨房类目前 **0.5%** 以内
- 高于$20-30价格段的平均水平
Mode C — Keyword market analysis
Input
| Field | Required | Description | Example |
|---|---|---|---|
| Keyword | ✅ | Search term | yoga mat |
| Marketplace | Optional | Amazon marketplace (default: United States) | UK, DE, JP... |
| Filters | Optional | Price range, minimum review count | $15-$40, 100+ reviews |
Usage example
分析亚马逊美国"yoga mat"的市场大小
"portable blender"关键词的月总销量是多少?
评估亚马逊美国"dog shirt"市场。显示顶级卖家和价格分布。
Workflow
- Use
web_searchto search productssite:amazon.com "{关键词}" - Get the BSR data
- Use the Mode A formulato estimate sales for each product
- Aggregatetotal market size
- Analyzeprice distribution and competition
Output
# 📊 市场分析:"yoga mat"
**市场:** 亚马逊美国 | **分析产品数:** 25
## 市场大小
| 指标 | 值 |
|--------|-------|
| **估算月总销量** | ~85,000件 |
| **估算月总收入** | ~$210万 |
| **平均价格** | $24.50 |
## 顶级卖家
| # | ASIN | 价格 | BSR | 估算月销量 |
|---|------|-------|-----|---------------|
| 1 | B0XX... | $22.99 | #45 | ~8,500 |
| 2 | B0YY... | $29.99 | #78 | ~6,200 |
| 3 | B0ZZ... | $18.99 | #120 | ~4,800 |
| ... | ... | ... | ... | ... |
## 市场集中度
- **前3名:** 总销量的23%
- **前10名:** 总销量的52%
- **长尾:** 总销量的48%
→ **分散型市场** — 新进入者有机会
## 价格分布
| 价格段 | 销量占比 |
|------------|------------|
| $0 - $20 | 25% |
| $20 - $35 | 55% |
| $35+ | 20% |
**最佳区间:** $20-$35
BSR-to-sales reference
Amazon United States — baseline (Home & Kitchen)
| BSR range | Estimated monthly sales |
|---|---|
| 1-100 | 3,000 - 10,000+ |
| 100-500 | 1,000 - 3,000 |
| 500-2,000 | 300 - 1,000 |
| 2,000-10,000 | 100 - 300 |
| 10,000-50,000 | 30 - 100 |
| 50,000-100,000 | 10 - 30 |
| 100,000+ | < 10 |
Category multiplier
| Category | Multiplier |
|---|---|
| Electronics | 1.2x |
| Home & Kitchen | 1.0x |
| Toys | 1.1x |
| Sports & Outdoors | 0.9x |
| Apparel | 0.8x |
| Books | 0.7x |
Marketplace adjustment
| Marketplace | Coefficient |
|---|---|
| United States | 1.0x |
| Japan | 0.6x |
| Germany | 0.5x |
| United Kingdom | 0.4x |
| Canada | 0.3x |
| Other | 0.2x |
Integration with other skills
With amazon-keyword-research
npx skills add nexscope-ai/Amazon-Skills --skill amazon-keyword-research -g
第一步:"研究瑜伽垫的关键词"
→ amazon-keyword-research返回带搜索量的关键词列表
第二步:"现在分析顶级关键词的市场大小"
→ amazon-sales-estimator 模式C评估机会