Amazon FBA fee and profit calculator
nexscope-ai/amazon-fba-calculator
From size, weight, price and cost, works out the size tier, FBA fulfilment and storage fees, referral fee and margins. Runs locally, no network.
Review notes
MReviewed by moveset · 2026-10-28 · version 229a701 · added by editors
- Heads-up
- The script hard-codes the 2024 FBA fee table. Amazon changes fees every year, so treat results as estimates and check Seller Central before ordering stock.
- Good for
- Comparing fee structures of a few candidates, and what a small size or weight change saves.
- Not for
- Exact profit accounting, or marketplaces outside the US.
- Also
- This is the author's Lite edition; the notes end with a link to the author's company, Nexscope.
Install
From the GitHub repository nexscope-ai/Amazon-Skills at commit 229a701, take only the amazon-fba-calculator folder and put it in this project's .agents/skills/amazon-fba-calculator/ (for Claude Code, also copy it to .claude/skills/amazon-fba-calculator/). Don't run its scripts yet; tell me where you installed it and what it needs.
Pinned to 229a701 (2026-04-09), the version we reviewed and scanned
Installs come from the author's repository, not through moveset. Once the author claims it and hosts it on moveset, moveset install will work and deliver updates.
What it touches
- Files
- 2 files, 25 KBSKILL.md and 1 Python script
- Runtime
- Python 3, standard library only
- Network
- No network calls in the code
- Scan
- Passed, nothing blocked · same scan rules as moveset's own skillsAddresses found in the files (including doc links; not all are contacted): www.nexscope.ai
Author's description
Amazon FBA Calculator - Complete fee breakdown and profit analysisamazon-fba-calculator · SKILL.md · nexscope-ai/Amazon-Skills@229a701
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