pfaendung_calc
Compute the attachable portion of monthly net income under German §850c ZPO (Pfändung / wage garnishment), using the current official Pfändungsfreigrenzenbekanntmachung. Returns attachable amount, remaining amount, exempt base and the P-Konto base. Informational, not legal advice.
This record as markdown: /tools/dev-crelvo-german-tax-data/pfaendung-calc.md
What pfaendung_calc does on German Tax Data
AI agents call pfaendung_calc to retrieve information from German Tax Data 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 |
|---|---|---|---|
dependents | integer | — | Number of maintenance-dependent persons (0-5) |
net_income_eur | number | Yes | Monthly NET income in EUR |
Parameters from the server's own tool schema.
Why pfaendung_calc is rated Low
This tool performs a calculation on provided input data and returns results without modifying, deleting, or executing external operations. It retrieves and applies regulatory thresholds to compute a derived value. This is a pure computation/query operation with no side effects, placing it in the Read category.
From the tool's definition Tool name 'pfaendung_calc' and description state it 'Compute' and 'Returns' calculated values (attachable amount, remaining amount, exempt base, P-Konto base) based on input income data.
Attacks that exploit this kind of access
The rule that runs pfaendung_calc safely
PolicyLayer is an MCP gateway: it sits between your AI agents and German Tax Data, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pfaendung_calc, this is the rule to start with:
pfaendung_calc 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 German Tax Data, apply this rule, and every pfaendung_calc call is checked against it from then on.
Questions about pfaendung_calc
Compute the attachable portion of monthly net income under German §850c ZPO (Pfändung / wage garnishment), using the current official Pfändungsfreigrenzenbekanntmachung. Returns attachable amount, remaining amount, exempt base and the P-Konto base. Informational, not legal advice. It is categorised as a Read tool in the German Tax Data MCP Server, which means it retrieves data without modifying state.
pfaendung_calc accepts 2 parameters: dependents, net_income_eur. Required: net_income_eur. The full parameter table on this page comes from the server's own tool schema.
Register the German Tax Data MCP server in PolicyLayer and add a rule for pfaendung_calc: 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 German Tax Data. Nothing to install.
pfaendung_calc 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 pfaendung_calc 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 pfaendung_calc. 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.
pfaendung_calc is provided by the German Tax Data MCP server (https://data.crelvo.dev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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