Supplementscanner vs Username Inspector
A side-by-side look at the Supplementscanner and Username Inspector MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Supplementscanner for e-commerce work as a local process; choose Username Inspector for e-commerce over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Supplementscanner when
- You need dedicated capabilities in the E-Commerce domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
SUPPLEMENTSCANNER_MARKET. - You want tools like
find_cheapest, list_categories, search_products.
Choose Username Inspector when
- You need dedicated capabilities in the E-Commerce domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
check_username, compare_fees.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | E-Commerce | E-Commerce |
| Quality signal | 53/100 · Good | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | SUPPLEMENTSCANNER_MARKET | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 0 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 4 | 2 |
| Full listing | View Supplementscanner | View Username Inspector |
Tools & capabilities
Supplementscanner tools 4
find_cheapestProducts in a category and all its subcategories, ordered by lowest price per unit. Start here.list_categoriesThe category tree, each category with a live product count, store count and lowest unit price. Use it to find a `category_slug`.search_productsTypo-tolerant search across the whole catalogue by product name or brand.get_productOne product in full: price, unit price, size, bulk discount tiers, buy link and recent price history.
Username Inspector tools 2
check_usernameCheck if ONE username is free on 12 resale platforms. Example: username='vintage_finds' returns available, taken, or unverified per platform.compare_feesCompare what a US sale keeps after fees on 7 platforms. Example: price=45, item_cost=12 ranks platforms by profit.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Supplementscanner
{
"mcpServers": {
"supplementscanner": {
"command": "npx",
"args": [
"-y",
"supplementscanner-mcp"
],
"env": {
"SUPPLEMENTSCANNER_MARKET": "YOUR_SUPPLEMENTSCANNER_MARKET_HERE"
}
}
}
}
Username Inspector
{
"mcpServers": {
"username-inspector": {
"url": "https://usernameinspector.com/api/mcp"
}
}
}
Frequently asked questions
Supplementscanner is categorized under E-Commerce and uses a local stdio subprocess. Username Inspector belongs to E-Commerce and uses a remote HTTP/SSE transport. Pick Supplementscanner for e-commerce work and Username Inspector for e-commerce.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Supplementscanner is listed as free. Auth: no auth required. Username Inspector has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add supplementscanner and username-inspector as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Supplementscanner has a quality signal of 53/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Username Inspector has 56/100 (Good) with 0 views, 0 installs and 0 GitHub stars.
