Calcule la plus-value immobilière avec tous les mécanismes officiels :
AI agents call calculer_pv_immobiliere to retrieve information from Impots without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs tax calculation and analysis on real estate capital gains using official mechanisms. It reads input parameters (property values, dates, costs) and returns computed tax results. There are no side effects—no data is created, modified, deleted, or financial transactions executed.
From the tool's definition Tool name 'calculer_pv_immobiliere' (calculate real estate capital gains) and description 'Calcule la plus-value immobilière' (Calculates real estate capital gains) indicate a computational/analytical function.
Documented attack patterns abuse exactly the kind of access calculer_pv_immobiliere gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Impots, and nothing reaches the server without passing your rules. This is the rule we recommend for calculer_pv_immobiliere:
{
"version": "1",
"default": "deny",
"tools": {
"calculer_pv_immobiliere": {}
}
}calculer_pv_immobiliere is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Calcule la plus-value immobilière avec tous les mécanismes officiels :. It is categorised as a Read tool in the Impots MCP Server, which means it retrieves data without modifying state.
Register the Impots MCP server in PolicyLayer and add a rule for calculer_pv_immobiliere: 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 Impots. Nothing to install.
calculer_pv_immobiliere 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 calculer_pv_immobiliere 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 calculer_pv_immobiliere. 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.
calculer_pv_immobiliere is provided by the Impots MCP server (w4zu/impots-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Impots, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
62 Impots tools catalogued and risk-classified — across an index of 43,000+ MCP servers.