Cherche un mot ou une phrase dans un fichier
AI agents call chercher_dans_fichier to retrieve information from MCP File Explorer without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a search/query operation that retrieves matching content from a file. It has no side effects—it does not create, modify, delete, or execute anything. The action is purely informational, making it a Read category tool with low severity risk.
From the tool's definition 'Cherche un mot ou une phrase dans un fichier' (Search for a word or phrase in a file) — the tool searches/queries content within files without modifying them.
Attacks that exploit this kind of access
Cherche un mot ou une phrase dans un fichier. It is categorised as a Read tool in the MCP File Explorer MCP Server, which means it retrieves data without modifying state.
Register the MCP File Explorer MCP server in PolicyLayer and add a rule for chercher_dans_fichier: 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 File Explorer. Nothing to install.
chercher_dans_fichier 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 chercher_dans_fichier 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 chercher_dans_fichier. 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.
chercher_dans_fichier is provided by the MCP File Explorer MCP server (meima-ely/mcp-file-explorer). 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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