Simule la fiscalité de cession d
AI agents call simuler_cession_entreprise 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 is a calculation and analysis tool that retrieves tax information and performs computational simulations for French business transfer scenarios. It does not create, modify, delete, or execute transactions. Even in a financial domain, pure simulation and advisory functions that do not commit or move money fall into the Read category.
From the tool's definition Tool name 'simuler_cession_entreprise' (simulate business sale) and description context 'Simule la fiscalité de cession d' (Simulates the taxation of sale/transfer) indicate a simulation/calculation function that computes tax outcomes without modifying any…
Documented attack patterns abuse exactly the kind of access simuler_cession_entreprise 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 simuler_cession_entreprise:
{
"version": "1",
"default": "deny",
"tools": {
"simuler_cession_entreprise": {}
}
}simuler_cession_entreprise is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Simule la fiscalité de cession d. 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 simuler_cession_entreprise: 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.
simuler_cession_entreprise 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 simuler_cession_entreprise 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 simuler_cession_entreprise. 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.
simuler_cession_entreprise 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.
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