custom_name
AI agents call custom_name to retrieve information from MCP Wikipedia Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Without explicit description, classification relies on context: the server provides Wikipedia retrieval (inherently Read operations), and sibling tools are primarily informational queries with no side effects. Low confidence due to empty description; if this tool performs unexpected mutations (e.g., store_data), risk would increase substantially.
From the tool's definition Tool name 'custom_name' is non-descriptive; description is empty. Grouped alongside read-only Wikipedia tools (fetch_wikipedia_info, get_info, get_section_content, list_wikipedia_sections) and other benign utilities (echo_tool, greeting).
Attacks that exploit this kind of access
custom_name. It is categorised as a Read tool in the MCP Wikipedia Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Wikipedia Server MCP server in PolicyLayer and add a rule for custom_name: 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 Wikipedia Server. Nothing to install.
custom_name 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 custom_name 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 custom_name. 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.
custom_name is provided by the MCP Wikipedia Server MCP server (kaman05010/mcpclientserver). 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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