AI agents call list_glossaries 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 performs a query operation that retrieves and displays existing glossary data without modifying, deleting, or executing any actions. It has minimal blast radius as it only exposes read-only access to glossary metadata.
From the tool's definition Tool name is 'list_glossaries' and description states it 'Lists all glossaries' — a retrieval operation with no side effects.
Attacks that exploit this kind of access
Lists all glossaries in your Lara Translate account. Glossaries are collections of terms with their translations that enforce specific terminology during translation. 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_glossaries: 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_glossaries 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_glossaries 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_glossaries. 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_glossaries 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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