책의 목차 구조를 간단히 요약합니다. 대량의 페이지가 있는 책에서 전체 구조를 파악할 때 유용합니다.
AI agents call get_book_structure to retrieve information from Wikidocs without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries existing data (the book's structural metadata) to display information. It does not create, modify, delete, or execute any operations. The description explicitly indicates it is used for understanding/viewing structure ('전체 구조를 파악할 때 유용합니다' = useful for grasping the overall structure), confirming it is a read-only operation.
From the tool's definition Tool name is 'get_book_structure' and description states it 'summarizes the table of contents structure of a book' (translated from Korean: '책의 목차 구조를 간단히 요약합니다'). This is a retrieval operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access get_book_structure gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Wikidocs, and nothing reaches the server without passing your rules. This is the rule we recommend for get_book_structure:
{
"version": "1",
"default": "deny",
"tools": {
"get_book_structure": {}
}
}get_book_structure is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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책의 목차 구조를 간단히 요약합니다. 대량의 페이지가 있는 책에서 전체 구조를 파악할 때 유용합니다. It is categorised as a Read tool in the Wikidocs MCP Server, which means it retrieves data without modifying state.
Register the Wikidocs MCP server in PolicyLayer and add a rule for get_book_structure: 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 Wikidocs. Nothing to install.
get_book_structure 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_book_structure 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_book_structure. 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_book_structure is provided by the Wikidocs MCP server (ychoi-kr/wikidocs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Wikidocs, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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17 Wikidocs tools catalogued and risk-classified — across an index of 43,000+ MCP servers.