EU supplement prices per 1000 mg of the element, compared within one chemical form.
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Products of one chemical form ranked by euro per 1000 mg of the element, cheapest first, at the shop price when last checked. Only ranked products are listed (limit 1-10, default 5).
Form slug from list_forms, e.g. "magnesium-glycinate" (^[a-z0-9-]{1,80}$).
Element slug from list_elements, e.g. "magnesium" (^[a-z0-9-]{1,80}$).
How many products, 1-10. Default 5.
Shipping region: "GLOBAL" (stores that ship worldwide, default) or a two-letter country code, e.g. "DE".
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http supplement-prices https://labeltruth.com/api/mcp
Products of one chemical form ranked by euro per 1000 mg of the element, cheapest first, at the shop price when last checked. Only ranked products are listed (limit 1-10, default 5).
| Argument | Type | Description |
|---|---|---|
| form* | string | Form slug from list_forms, e.g. "magnesium-glycinate" (^[a-z0-9-]{1,80}$). |
| limit | number | How many products, 1-10. Default 5. |
| region | string | Shipping region: "GLOBAL" (stores that ship worldwide, default) or a two-letter country code, e.g. "DE". |
| element* | string | Element slug from list_elements, e.g. "magnesium" (^[a-z0-9-]{1,80}$). |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"element",
"form"
],
"properties": {
"form": {
"type": "string",
"description": "Form slug from list_forms, e.g. \"magnesium-glycinate\" (^[a-z0-9-]{1,80}$)."
},
"limit": {
"type": "number",
"description": "How many products, 1-10. Default 5."
},
"region": {
"type": "string",
"description": "Shipping region: \"GLOBAL\" (stores that ship worldwide, default) or a two-letter country code, e.g. \"DE\"."
},
"element": {
"type": "string",
"description": "Element slug from list_elements, e.g. \"magnesium\" (^[a-z0-9-]{1,80}$)."
}
}
}One product by its LabelTruth slug: shelf price, store, and euro per 1000 mg of the element when the product is ranked (otherwise the reason it is not).
| Argument | Type | Description |
|---|---|---|
| slug* | string | Product slug from a labeltruth.com/product/<slug> URL (^[a-z0-9-]{1,80}$). |
| region | string | Shipping region: "GLOBAL" (stores that ship worldwide, default) or a two-letter country code, e.g. "DE". |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"slug"
],
"properties": {
"slug": {
"type": "string",
"description": "Product slug from a labeltruth.com/product/<slug> URL (^[a-z0-9-]{1,80}$)."
},
"region": {
"type": "string",
"description": "Shipping region: \"GLOBAL\" (stores that ship worldwide, default) or a two-letter country code, e.g. \"DE\"."
}
}
}Elements (minerals, vitamins, protein) that have a LabelTruth page, with the number of products tracked in the whole catalogue.
No arguments.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {},
"additionalProperties": false
}Chemical forms of one element that have at least one priced product in the region, in alphabetical order. No prices: forms are not ranked against each other.
| Argument | Type | Description |
|---|---|---|
| region | string | Shipping region: "GLOBAL" (stores that ship worldwide, default) or a two-letter country code, e.g. "DE". |
| element* | string | Element slug from list_elements, e.g. "magnesium" (^[a-z0-9-]{1,80}$). |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"element"
],
"properties": {
"region": {
"type": "string",
"description": "Shipping region: \"GLOBAL\" (stores that ship worldwide, default) or a two-letter country code, e.g. \"DE\"."
},
"element": {
"type": "string",
"description": "Element slug from list_elements, e.g. \"magnesium\" (^[a-z0-9-]{1,80}$)."
}
}
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 10, 2026.