Simule l
AI agents call simuler_impots to retrieve information from French Admin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves calculated tax simulation results based on input scenarios. It performs no data modification, deletion, code execution, or financial transactions—it only computes and returns informational results. The truncated description is slightly limiting, but the tool name and context strongly indicate a calculation/simulation function typical of tax planning aids, which are Read-category operations.
From the tool's definition Tool name 'simuler_impots' (simulate taxes) and description indicates simulation/calculation of tax scenarios.
Attacks that exploit this kind of access
Simule l. It is categorised as a Read tool in the French Admin MCP Server, which means it retrieves data without modifying state.
Register the French Admin MCP server in PolicyLayer and add a rule for simuler_impots: 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 French Admin. Nothing to install.
simuler_impots 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_impots 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_impots. 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_impots is provided by the French Admin MCP server (mcp-tools-lab/french-admin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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