# ShelfKeeper — Amazon FBA Tools

> Use this tool when you need to optimize your Amazon FBA business by calculating profits, monitoring inventory health, and tracking costs. ShelfKeeper solves problems related to financial management, inventory control, and tax compliance for Amazon sellers. It takes in sales data and inventory levels as inputs and provides outputs such as profit breakdowns, tax deductions, and reorder alerts.

Canonical page: https://skillsregistry.net/skills/arnold-commits-shelfkeeper  
JSON: https://api.skillsregistry.net/v1/skills/arnold-commits-shelfkeeper

## Description

Profit calculator, inventory health checks, COGS breakdown, tax deductions, reorder alerts, and FBA fee reference for Amazon sellers. Built by a CPA managing 90+ clients at ARJE Bookkeeping & Tax Services.

## Trust

- **Trust score (0–1):** 0.96
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** other
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/arnold-commits/shelfkeeper)
- **Repository:** <https://github.com/arnold-commits/shelfkeeper-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "arnold-commits-shelfkeeper"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/arnold-commits-shelfkeeper` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/arnold-commits-shelfkeeper/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt