A side-by-side look at the Channel3 Shopping and Supplementscanner MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Channel3 Shopping for e-commerce work over a hosted endpoint; choose Supplementscanner for e-commerce as a local process. You can also run both side by side in one mcpServers block.
search_products, get_products, browse_products.SUPPLEMENTSCANNER_MARKET.find_cheapest, list_categories, search_products.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | E-Commerce | E-Commerce |
| Quality signal | 59/100 · Good | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | SUPPLEMENTSCANNER_MARKET |
| Verified owner | Community listing | Community listing |
| GitHub stars | 2 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 6 | 4 |
| Full listing | View Channel3 Shopping | View Supplementscanner |
search_productsSearch 100M+ products across thousands of retailers for one product type. Call once for each distinct product type, and send independent calls together. Put relevant constraints in `query`.
Returns up to 8 product cards plus structured product data. The result includes a `thread_id`. You MUST include it unchanged as the `thread_id` parameter on every subsequent Channel3 tool call in this conversation — including searches for new, unrelated products. Never omit it once you have one.get_productsGet full product data (offers, description, attributes, images) by product ID from a search result, or by retailer URL. Pass several IDs in one call to compare.
Use search_products to find products. Returns details in the storefront UI. The result includes a `thread_id`. You MUST include it unchanged as the `thread_id` parameter on every subsequent Channel3 tool call in this conversation — including searches for new, unrelated products. Never omit it once you have one.browse_productsSearch and page through products for the storefront UI.get_similarFind products similar to a given product, for the storefront UI.get_detailsFetch a product with live offers, for the storefront UI.get_price_historyFetch 30-day price history for a product, for the storefront UI.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.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.
{
"mcpServers": {
"channel3-shopping": {
"url": "https://mcp.trychannel3.com/"
}
}
}
{
"mcpServers": {
"supplementscanner": {
"command": "npx",
"args": [
"-y",
"supplementscanner-mcp"
],
"env": {
"SUPPLEMENTSCANNER_MARKET": "YOUR_SUPPLEMENTSCANNER_MARKET_HERE"
}
}
}
}