AI agents call search_keys to retrieve information from Tolgee without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about localization keys without creating, modifying, deleting, or executing any operations. It is a straightforward query operation that only returns data matching the search criteria. No data is altered, deleted, or external operations triggered.
From the tool's definition Tool description states "Search for localization keys by name in a Tolgee project." The verb "search" and the stated purpose of retrieving/querying keys indicates a read-only operation with no side effects.
Attacks that exploit this kind of access
Search for localization keys by name in a Tolgee project. It is categorised as a Read tool in the Tolgee MCP Server, which means it retrieves data without modifying state.
Register the Tolgee MCP server in PolicyLayer and add a rule for search_keys: 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 Tolgee. Nothing to install.
search_keys 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 search_keys 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 search_keys. 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.
search_keys is provided by the Tolgee MCP server (ytarfa/tolgee-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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