AI agents call wiki_page to retrieve information from Basic MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves content from Wikipedia, a public read-only source. It has no side effects, cannot modify data, execute code, or cause financial transactions. The operation is a simple fetch/retrieval, placing it firmly in the Read category with low severity due to minimal risk from misuse.
From the tool's definition Tool name 'wiki_page' and description 'Get a full Wikipedia page' indicate retrieval of publicly available information with no modification capability.
Attacks that exploit this kind of access
Get a full Wikipedia page. It is categorised as a Read tool in the Basic MCP MCP Server, which means it retrieves data without modifying state.
Register the Basic MCP server in PolicyLayer and add a rule for wiki_page: 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 Basic MCP. Nothing to install.
wiki_page 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_page 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_page. 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_page is provided by the Basic MCP server (nimishgautam/basic-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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