AI agents call rechercher_code to retrieve information from MCP Server Legifrance without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches or retrieves French legal code information from Legifrance—a read-only data query operation with no side effects. Even if misused by an agent, it can only retrieve information, not modify, delete, or execute operations. The sibling tools in this server are all search functions, reinforcing this classification.
From the tool's definition Tool name 'rechercher_code' (search code) combined with server context (Legifrance legal research) and sibling tools 'rechercher_dans_texte_legal' (search in legal text) and 'rechercher_jurisprudence_judiciaire' (search judicial case law) indicate a…
Documented attack patterns abuse exactly the kind of access rechercher_code gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Server Legifrance, and nothing reaches the server without passing your rules. This is the rule we recommend for rechercher_code:
{
"version": "1",
"default": "deny",
"tools": {
"rechercher_code": {}
}
}rechercher_code is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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rechercher_code. It is categorised as a Read tool in the MCP Server Legifrance MCP Server, which means it retrieves data without modifying state.
Register the MCP Server Legifrance MCP server in PolicyLayer and add a rule for rechercher_code: 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 MCP Server Legifrance. Nothing to install.
rechercher_code 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 rechercher_code 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 rechercher_code. 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.
rechercher_code is provided by the MCP Server Legifrance MCP server (pylegifrance/mcp-server-legifrance). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 MCP Server Legifrance tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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3 MCP Server Legifrance tools catalogued and risk-classified — across an index of 42,500+ MCP servers.