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Seller Profit Doctor

com.sellerprofitdoctor/free-tools · v1.4.5

Measured by MCP Station

Description written by the publisher, not verified

Free profit check-up for Etsy, Shopify and Amazon sellers: fees, sales, ads, shipping, plans, rates.

Connect

claude mcp add --transport http free-tools https://sellerprofitdoctor.com/api/mcp

{
  "mcpServers": {
    "free-tools": {
      "url": "https://sellerprofitdoctor.com/api/mcp"
    }
  }
}

Tools as reported by the server

• sellerprofit_checkup
  Runs the free profit check-up for an Etsy shop, a Shopify store or an Amazon seller. Returns the grade (a word such as Watch, with level 1 Healthy to 5 Losing money), what one order (Amazon: one unit) and the month keep after fees, ads and costs, the loss total, and the top 3 losses, each with its f
• sellerprofit_etsy_fees
  Works out Etsy's fees on one sale, line by line: the $0.20 listing fee, the 6.5% transaction fee, the 3% + $0.25 payment processing fee (also charged on sales tax), the 2.5% currency conversion when it applies, and the Offsite Ads fee (12% or 15%, at most $100) when the sale came from an Offsite Ad.
• sellerprofit_offsite_ads
  Works out what Etsy's Offsite Ads cost a shop at its share of sales (12% or 15% of an attributed order, at most $100 an order), per order and per month, and the item price that covers the fee. It fits a seller who asks what Offsite Ads cost them, whether to price them in, or whether to opt out. Take
• sellerprofit_shipping_gap
  Works out the shipping gap for an Etsy shop: what the label and packaging cost beyond what the buyer pays, per order and per month, and the fixes: the item price that covers the gap with shipping kept under Etsy's $6 search line, calculated shipping, and (for free-shipping shops) building shipping i
• sellerprofit_ads_breakeven
  Works out the ROAS at which an Etsy shop's Etsy Ads pay for themselves (break-even ROAS = order ÷ what an ad order keeps after Etsy's fees and costs), the most an ad can cost per sale, and, with the shop's ROAS, what the ads gain or lose a month. It fits a seller who asks whether Etsy Ads are worth
• sellerprofit_price_for_margin
  Works out the item price at which one Etsy order keeps a target profit after Etsy's fees (listing, 6.5% transaction, 3% + $0.25 processing), the average Offsite Ads fee, Etsy Ads spread over orders, materials, packaging and the label. The target is dollars per order or a share of the order; with nei
• sellerprofit_sale_breakeven
  Works out how many more orders a sale or coupon needs just to keep the same profit a month, for one item on Etsy, Shopify or Amazon. Each platform's fees are worked out at the full price and again at the sale price: percentage fees fall with the price and fixed fees stay (Etsy's listing and processi
• sellerprofit_compare_fees
  Works out the fees on one sale on Etsy (listing, transaction, processing; Offsite Ads optional), on a Shopify store (card fee by plan through Shopify Payments) and on Amazon (referral fee by category, the Individual plan's per-item fee, an optional FBA fee the seller types), side by side, each colum
• sellerprofit_ads_roas_breakeven
  Works out the ROAS (ad revenue ÷ ad spend, as Meta or Google reports it) at which Facebook, Instagram or Google ads pay for themselves, when the ad sends buyers to a Shopify store, an Etsy listing or an Amazon listing, with that platform's own fees on the order. Break-even ROAS = order ÷ what one ad
• sellerprofit_box_billing
  Works out the billable weight of one box with USPS (Priority Mail, Ground Advantage), UPS (Daily Rates and Retail Rates) and FedEx, from its outside size in inches and its actual weight, with each carrier's 2026 dimensional weight rules: sides rounded up to whole inches, cubic inches ÷ the divisor (
• sellerprofit_shopify_plan_fit
  Works out which Shopify plan (Basic, Grow, Advanced) costs least at a store's card sales: each plan's price plus the card fees that change with the plan (or Shopify's third-party fee on sales through another processor), the card sales above which each move up pays for itself, on monthly and yearly b
• sellerprofit_shopify_order_fees
  Works out every fee on one order of a US Shopify store, line by line: the Shopify Payments card fee by plan (premium cards optional), the international card and currency conversion fees, the 1.25% for mixing Shopify Payments with another card processor, another processor's own fee and Shopify's thir
• sellerprofit_amazon_fees
  Works out Amazon's fees on one unit at a price: the referral fee for the category (official, with the $0.30 minimum where the category has one), the $1.80 media closing fee (official), and for FBA an estimate of the fulfillment fee from Amazon's 2026 rate cards by size tier and weight, with the 3.5%
• sellerprofit_amazon_ads_breakeven
  Works out the ACoS (ad spend ÷ the sales the ads bring) at which Amazon Sponsored Products pay for themselves: what a unit an ad brings keeps before the ad (after the referral fee, the FBA fee estimate or the label and packaging, storage and the landed cost) as a share of what the buyer pays. Gives
• sellerprofit_rates
  Returns one platform's fee table, the one this server's numbers use: every fee and rule with its value, a plain label, its source link and the day it was checked, whether it's official or a third-party estimate, and both values where sources disagree, plus when the table is due for its next check. E

Tool changes

• 2026-10-22: sellerprofit_checkup, sellerprofit_etsy_fees, sellerprofit_offsite_ads, sellerprofit_shipping_gap, sellerprofit_ads_breakeven, sellerprofit_price_for_margin, sellerprofit_sale_breakeven, sellerprofit_compare_fees, sellerprofit_ads_roas_breakeven, sellerprofit_box_billing, sellerprofit_shopify_plan_fit, sellerprofit_shopify_order_fees
• 2026-10-21: sellerprofit_checkup, sellerprofit_etsy_fees, sellerprofit_offsite_ads, sellerprofit_shipping_gap, sellerprofit_ads_breakeven, sellerprofit_price_for_margin, sellerprofit_sale_breakeven, sellerprofit_compare_fees, sellerprofit_ads_roas_breakeven, sellerprofit_box_billing, sellerprofit_shopify_plan_fit, sellerprofit_shopify_order_fees
• 2026-10-20: sellerprofit_checkup, sellerprofit_etsy_fees, sellerprofit_offsite_ads, sellerprofit_shipping_gap, sellerprofit_ads_breakeven, sellerprofit_price_for_margin, sellerprofit_sale_breakeven, sellerprofit_compare_fees, sellerprofit_ads_roas_breakeven, sellerprofit_box_billing, sellerprofit_shopify_plan_fit, sellerprofit_shopify_order_fees
• 2026-10-17: sellerprofit_checkup, sellerprofit_etsy_fees, sellerprofit_offsite_ads, sellerprofit_shipping_gap, sellerprofit_ads_breakeven, sellerprofit_price_for_margin, sellerprofit_sale_breakeven, sellerprofit_compare_fees, sellerprofit_ads_roas_breakeven, sellerprofit_box_billing, sellerprofit_shopify_plan_fit, sellerprofit_shopify_order_fees
• 2026-10-16: sellerprofit_checkup, sellerprofit_etsy_fees, sellerprofit_offsite_ads, sellerprofit_shipping_gap, sellerprofit_ads_breakeven, sellerprofit_price_for_margin, sellerprofit_shopify_plan_fit, sellerprofit_amazon_fees, sellerprofit_rates

Repository · Website · JSON · Text for agents · Registry updated 2026-10-22