German SIM-only and data tariffs of about 50 providers, read daily, ranked by 24-month cost.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Returns one tariff in full: all costs, data, network, speed, term, a one-sentence summary and its price history. Use it when the user asks about one specific tariff, given by the id that tariff search results contain.
The tariff's id, as in tariff search results.
Language of the text fields and of the linked pages. Default de.
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http tarifkatalog https://tarifkat.de/mcp/open
Returns one tariff in full: all costs, data, network, speed, term, a one-sentence summary and its price history. Use it when the user asks about one specific tariff, given by the id that tariff search results contain.
| Argument | Type | Description |
|---|---|---|
| id* | integer | The tariff's id, as in tariff search results. |
| language | string | Language of the text fields and of the linked pages. Default de. |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "integer",
"description": "The tariff's id, as in tariff search results."
},
"language": {
"enum": [
"de",
"en",
"ru",
"tr",
"uk"
],
"type": "string",
"description": "Language of the text fields and of the linked pages. Default de."
}
},
"additionalProperties": false
}Lists the German mobile providers in the comparison with their slug, number of phone and data tariffs, cheapest average monthly cost and networks. Use it to see which providers are covered and to get the slug that filters a tariff search by provider.
| Argument | Type | Description |
|---|---|---|
| language | string | Language of the text fields and of the linked pages. Default de. |
{
"type": "object",
"properties": {
"language": {
"enum": [
"de",
"en",
"ru",
"tr",
"uk"
],
"type": "string",
"description": "Language of the text fields and of the linked pages. Default de."
}
},
"additionalProperties": false
}Searches current German SIM-only mobile tariffs, or data-only tariffs, and returns them ranked, cheapest average monthly cost over 24 months first. Use it to find or compare tariffs by data volume, network, contract term, 5G, speed or provider. Returns at most 30 tariffs and the total number that match. Covers Germany only, SIM-only tariffs without a phone.
| Argument | Type | Description |
|---|---|---|
| kind | string | phone: tariffs with calls and texts (default). data: data-only tariffs for tablets, laptops or routers. |
| sort | string | price: average monthly cost over 24 months (default). monthly_fee: lowest first monthly fee. data: most data first. speed: fastest first. |
| limit | integer | Number of tariffs to return, default 10. |
| only_5g | boolean | Only tariffs with 5G. |
| language | string | Language of the text fields and of the linked pages. Default de. |
| networks | array | Any of these networks; empty for all. d-netz: resellers that promise Telekom or Vodafone without saying which. |
| provider | string | Only this provider, by its slug as in the provider list, e.g. winsim. |
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 9, 2026.
| commitment |
| string |
| none: cancellable monthly (prepaid included). prepaid: prepaid only. contract: minimum term of 12 months or more. |
| allnet_flat | boolean | Only tariffs with unlimited calls and texts to all German networks; ignored for data tariffs. |
| min_data_gb | integer | Minimum high-speed data per month in GB; unlimited tariffs always qualify. |
| unlimited_data | boolean | Only tariffs with unlimited data. |
| min_download_mbit | integer | Minimum advertised download speed in Mbit/s. |
{
"type": "object",
"properties": {
"kind": {
"enum": [
"phone",
"data"
],
"type": "string",
"description": "phone: tariffs with calls and texts (default). data: data-only tariffs for tablets, laptops or routers."
},
"sort": {
"enum": [
"price",
"monthly_fee",
"data",
"speed"
],
"type": "string",
"description": "price: average monthly cost over 24 months (default). monthly_fee: lowest first monthly fee. data: most data first. speed: fastest first."
},
"limit": {
"type": "integer",
"maximum": 30,
"minimum": 1,
"description": "Number of tariffs to return, default 10."
},
"only_5g": {
"type": "boolean",
"description": "Only tariffs with 5G."
},
"language": {
"enum": [
"de",
"en",
"ru",
"tr",
"uk"
],
"type": "string",
"description": "Language of the text fields and of the linked pages. Default de."
},
"networks": {
"type": "array",
"items": {
"enum": [
"telekom",
"vodafone",
"o2",
"1und1",
"d-netz"
],
"type": "string"
},
"description": "Any of these networks; empty for all. d-netz: resellers that promise Telekom or Vodafone without saying which."
},
"provider": {
"type": "string",
"description": "Only this provider, by its slug as in the provider list, e.g. winsim."
},
"commitment": {
"enum": [
"none",
"prepaid",
"contract"
],
"type": "string",
"description": "none: cancellable monthly (prepaid included). prepaid: prepaid only. contract: minimum term of 12 months or more."
},
"allnet_flat": {
"type": "boolean",
"description": "Only tariffs with unlimited calls and texts to all German networks; ignored for data tariffs."
},
"min_data_gb": {
"type": "integer",
"minimum": 0,
"description": "Minimum high-speed data per month in GB; unlimited tariffs always qualify."
},
"unlimited_data": {
"type": "boolean",
"description": "Only tariffs with unlimited data."
},
"min_download_mbit": {
"type": "integer",
"minimum": 0,
"description": "Minimum advertised download speed in Mbit/s."
}
},
"additionalProperties": false
}