FBA Fee Calculator 2026
AURUM FBA MCP Servers
3 MCP servers for Amazon FBA sellers — built from a live wholesale FBA operation using 2026-accurate fee tables.
Servers
FBA Fee Calculator 2026
Accurate Amazon FBA fulfillment fees with 2026 rate tables including the April 3.5% surcharge.
Tools: get_fba_fee, calculate_referral_fee, calculate_prep_cost, calculate_total_fees
Brand Compliance Checker
Check any brand for Amazon gating status and IP risk before buying wholesale inventory.
Tools: check_brand, check_brands_batch
Status values: GATED · IP_RISKY · COMMINGLING_RISK · CLEAR
FBA SKU Scorer
T1/T2/T3 decision engine — BUY / PAPER TRADE / SKIP with full margin breakdown.
Tools: score_sku, score_skus_batch
Tier thresholds: T1 (BUY) >= 0.8 · T2 (PAPER TRADE) >= 0.4 · T3 (SKIP) < 0.4
The scorer includes: 2026 FBA fees, referral fees, AMSCO prep costs, inbound placement fees, return rate by category, LIVE fee risk, slow-mover surcharge, and seller competition weighting.
Usage
Each server runs as a standalone MCP server via FastMCP.
pip install fastmcp
fastmcp run fba_fee_calculator_server.py
fastmcp run brand_compliance_server.py
fastmcp run sku_scorer_server.py
Requirements
- Python 3.10+
fastmcp>=0.4.0
Fee Tables
Current as of 2026-01-15. Includes the April 2026 3.5% FBA surcharge.
| Size Tier | Weight | Fee |
|---|---|---|
| Small Standard | <= 4oz | $3.06 |
| Small Standard | <= 16oz | $3.33 |
| Large Standard | <= 2lb | $3.56 |
| Large Standard | <= 7lb | $6.60 |
| Large Bulky | base (2lb) | $9.61 |
| Large Bulky | per lb over 2lb | +$0.38 |
Built by
Partna Company LLC — Carl Clendenin
Server Config
{
"mcpServers": {
"fba-fee-calculator": {
"url": "https://aurum-fba-fee-calculator.onrender.com/sse"
}
}
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