Seller Fees Calculator
Gumroad, Stripe, PayPal and Etsy seller fees, payouts and break-even prices. Local, no API key.
التثبيت
أضف هذا إلى إعدادات MCP في عميلك (Claude Desktop: claude_desktop_config.json، وCursor: .cursor/mcp.json، ويستخدم VS Code وغيره الصيغة نفسها «mcpServers»).
seller-fees-mcpclaude mcp add seller-fees-calculator -- npx -y seller-fees-mcp@1.0.1
{
"mcpServers": {
"seller-fees-calculator": {
"command": "npx",
"args": [
"-y",
"seller-fees-mcp@1.0.1"
]
}
}
}
التوثيق
مأخوذ من ملف README للمشروع على GitHub ويُحدَّث أسبوعيًا. تفتح الروابط على GitHub.
seller-fees-mcp
A free Model Context Protocol (MCP) server that works out seller fees, payouts and break-even prices for Gumroad, Stripe, PayPal and Etsy (US sellers, USD). Everything runs locally: no API key, no account, no network calls.
Tools
| Tool | What it does |
|---|---|
fee | Fee and net for one sale. Gumroad direct includes the 2.9% + $0.30 card processing; options discover, high_volume, processing (card/none). PayPal type and international, Stripe extra_pct, Etsy qty, shipping, sales_tax_pct, offsite_ads. |
payout | What you keep per sale and in total for units sales. |
price_for_target | Lowest price that leaves at least target after fees. |
compare | One price across Gumroad direct, Gumroad Discover, Stripe, PayPal (checkout, card, goods) and Etsy, best net first. |
platforms | Default rates, options and official source pages. |
Default rates are as of Oct 20, 2026. Gumroad direct: 10% + $0.50 plus card processing 2.9% + $0.30 (5% + $0.50 with high_volume); Discover: 30% all-in. Stripe: 2.9% + $0.30. PayPal Checkout: 3.49% + $0.49. Etsy: $0.20 listing, 6.5% transaction, 3% + $0.25 processing. Check each platform's pricing page before relying on a number. Planning estimates only; not tax or accounting advice.
Install
Requires Node.js 18 or newer.
npx
npx -y seller-fees-mcp
From source
git clone https://github.com/NarwhalThePong/seller-fees-mcp.git && cd seller-fees-mcp && npm install && npm test
node src/server.js
Desktop MCP clients
Add to your client's MCP config file:
{
"mcpServers": {
"seller-fees": { "command": "npx", "args": ["-y", "seller-fees-mcp"] }
}
}
Cursor
Add to ~/.cursor/mcp.json (or .cursor/mcp.json in a project):
{
"mcpServers": {
"seller-fees": { "command": "npx", "args": ["-y", "seller-fees-mcp"] }
}
}
For a local checkout, use "command": "node", "args": ["/path/to/seller-fees-mcp/src/server.js"].
Example
fee with { "platform": "gumroad", "amount": 19 } returns a fee of $3.25 ($2.40 Gumroad + $0.85 card processing) and a net of $15.75.
Prefer a web page?
- Free Gumroad fee calculator: https://narwhalthepong.github.io/gumroad-license-check/gumroad-fee-calculator.html
- Free PayPal and Stripe fee calculator: https://narwhalthepong.github.io/gumroad-license-check/paypal-stripe-fee-calculator.html
- Free Etsy fee calculator: https://narwhalthepong.github.io/gumroad-license-check/etsy-fee-calculator.html
- Creator Payout Calculator Pro (browser extension, paid): https://paudrudis.gumroad.com/l/ijrzbz
Disclosure: these are our own products. The calculator pages are free; Creator Payout Calculator Pro is a paid product we sell.
License
MIT
الأسئلة الشائعة
ما هو Seller Fees Calculator؟
Gumroad, Stripe, PayPal and Etsy seller fees, payouts and break-even prices. Local, no API key.
كيف أثبّت Seller Fees Calculator؟
يعمل على جهازك. في Claude Code: claude mcp add seller-fees-calculator -- npx -y seller-fees-mcp@1.0.1. وفي العملاء الآخرين، الصق إعداد JSON من هذه الصفحة في إعدادات MCP الخاصة بهم.
هل يحتاج Seller Fees Calculator إلى مفتاح API؟
لا يذكر إدراجه في السجل أي مفتاح أو سر إلزامي. قد تتطلب بعض الميزات حسابًا لدى الخدمة التي يتصل بها.
هل Seller Fees Calculator مفتوح المصدر؟
نعم. شيفرته متاحة على GitHub بترخيص MIT.
من يصون Seller Fees Calculator؟
ينشره NarwhalThePong. يدرجه AI.tn لكنه لا يصونه ولا يوصي به.
من سجل MCP الرسمي. الإدراج ليس توصية: راجع شيفرة الخادم وصلاحياته قبل منحه الوصول إلى بياناتك.