Get the categories of a Wikipedia article
AI agents call wiki_get_categories to retrieve information from Wikipedia MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves categorical metadata associated with a Wikipedia article. It performs a read-only query operation that returns information without creating, modifying, deleting, executing code, or committing financial actions. The action is purely informational and has no blast radius if misused by an AI agent.
From the tool's definition Tool name 'wiki_get_categories' and description 'Get the categories of a Wikipedia article' indicate retrieval of metadata without modification. No side effects or state changes occur.
Attacks that exploit this kind of access
Get the categories of a Wikipedia article. It is categorised as a Read tool in the Wikipedia MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Wikipedia MCP Server MCP server in PolicyLayer and add a rule for wiki_get_categories: 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 Wikipedia MCP Server. Nothing to install.
wiki_get_categories 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_get_categories 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_get_categories. 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_get_categories is provided by the Wikipedia MCP Server MCP server (msilverblatt/wiki-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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