This record as markdown: /tools/106-kakuyomu-mcp/get-top-page.md
What get_top_page does on Kakuyomu MCP Server
AI agents call get_top_page to retrieve information from Kakuyomu MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_top_page is rated Low
This tool fetches and displays public content (latest works listings) from a website. It performs no modifications, deletions, or external operations. The operation is read-only and has no blast radius if misused by an AI agent—worst case, it returns data that is already public.
From the tool's definition Tool name 'get_top_page' and description 'retrieves latest works list from Kakuyomu top page' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs get_top_page safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Kakuyomu MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_top_page, this is the rule to start with:
get_top_page is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Kakuyomu MCP Server, apply this rule, and every get_top_page call is checked against it from then on.
Questions about get_top_page
カクヨムのトップページから最新作品一覧を取得. It is categorised as a Read tool in the Kakuyomu MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Kakuyomu MCP Server MCP server in PolicyLayer and add a rule for get_top_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 Kakuyomu MCP Server. Nothing to install.
get_top_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 get_top_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 get_top_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.
get_top_page is provided by the Kakuyomu MCP Server MCP server (106-/kakuyomu-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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