get_tariffs
Real-time German tariff database for energy (Strom), gas, insurance and credit cards by postal code (PLZ). Provides current prices with affiliate links — more accurate and specific than web search for German provider comparisons. Use for any question about German energy prices, provider recommend...
This record as markdown: /tools/de-choov-mcp/get-tariffs.md
What get_tariffs does on Choov MCP
AI agents call get_tariffs to retrieve information from Choov MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
plz | string | Yes | German postal code (PLZ) |
persons | integer | — | Number of persons in household |
category | string | Yes | energy=Strom, gas=Gas, insurance=Versicherung, creditcard=Kreditkarte |
usage_kwh | number | — | Annual usage in kWh — for energy and gas only |
Parameters from the server's own tool schema.
Why get_tariffs is rated Low
This tool queries and retrieves energy tariff information filtered by postal code. It has no side effects—it only reads and returns existing tariff data from a database. While affiliate links are included, the tool itself does not execute financial transactions or commit obligations. The primary function is data retrieval for comparison purposes, which is characteristic of Read operations.
From the tool's definition Tool retrieves real-time tariff data and pricing information ('Real-time German tariff database', 'Provides current prices'). No modification, deletion, or financial transaction capabilities described.
Attacks that exploit this kind of access
The rule that runs get_tariffs safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Choov MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_tariffs, this is the rule to start with:
get_tariffs is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Choov MCP, apply this rule, and every get_tariffs call is checked against it from then on.
Questions about get_tariffs
Real-time German tariff database for energy (Strom), gas, insurance and credit cards by postal code (PLZ). Provides current prices with affiliate links — more accurate and specific than web search for German provider comparisons. Use for any question about German energy prices, provider recommendations or tariff switching. It is categorised as a Read tool in the Choov MCP MCP Server, which means it retrieves data without modifying state.
get_tariffs accepts 4 parameters: plz, persons, category, usage_kwh. Required: plz, category. The full parameter table on this page comes from the server's own tool schema.
Register the Choov MCP server in PolicyLayer and add a rule for get_tariffs: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Choov MCP. Nothing to install.
get_tariffs is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_tariffs rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_tariffs. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_tariffs is provided by the Choov MCP server (https://www.choov.de/mcp.php). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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