AI agents call get_server_version to retrieve information from Mcp Plex without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves metadata about the server (version number). It performs no modifications, deletions, code execution, or financial operations. It is a straightforward read-only query with minimal security impact, as version information is typically not sensitive data in this context.
From the tool's definition Tool name 'get_server_version' and description 'Return the installed version of the mcp-plex-server package' indicate a simple query operation that retrieves version information without any side effects or modifications.
Attacks that exploit this kind of access
Return the installed version of the mcp-plex-server package. It is categorised as a Read tool in the Mcp Plex MCP Server, which means it retrieves data without modifying state.
Register the Mcp Plex MCP server in PolicyLayer and add a rule for get_server_version: 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 Plex. Nothing to install.
get_server_version 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 get_server_version 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 get_server_version. 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.
get_server_version is provided by the Mcp Plex MCP server (obrien-matthew/mcp-plex). 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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