List user groups.
AI agents call wiki_groups_list to retrieve information from Mcp Wikijs Mv without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns a list of user groups without creating, modifying, deleting, or executing anything. It is a straightforward read operation with minimal security impact. The low severity reflects that group metadata is typically non-sensitive organizational information, though in some contexts understanding group structure could inform targeted attacks.
From the tool's definition Tool name 'wiki_groups_list' and description 'List user groups' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List user groups. It is categorised as a Read tool in the Mcp Wikijs Mv MCP Server, which means it retrieves data without modifying state.
Register the Mcp Wikijs Mv MCP server in PolicyLayer and add a rule for wiki_groups_list: 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 Wikijs Mv. Nothing to install.
wiki_groups_list 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 wiki_groups_list 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 wiki_groups_list. 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.
wiki_groups_list is provided by the Mcp Wikijs Mv MCP server (janschachtschabel/mcp-for-wiki-js). 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.
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