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