AI agents call list_languages to retrieve information from Lara without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool simply queries and returns a list of supported languages without creating, modifying, deleting, executing code, or affecting any data. It is a read-only retrieval operation with minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'list_languages' and description 'Lists all supported languages in your Lara Translate account' indicate a retrieval operation with no data modification or side effects.
Attacks that exploit this kind of access
Lists all supported languages in your Lara Translate account. It is categorised as a Read tool in the Lara MCP Server, which means it retrieves data without modifying state.
Register the Lara MCP server in PolicyLayer and add a rule for list_languages: 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 Lara. Nothing to install.
list_languages 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 list_languages 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 list_languages. 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.
list_languages is provided by the Lara MCP server (@translated/lara-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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