指定されたユーザーをフォローしているかどうかを確認します
AI agents call is_user_followed to retrieve information from Qiita API 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 follow status information about a user relationship without modifying any data. It is a read-only query that checks the current state of a follow relationship between the authenticated user and a specified user. No data is created, modified, deleted, or any external operations triggered.
From the tool's definition Tool name 'is_user_followed' and description indicating it checks/confirms whether a specified user is being followed - a query operation with no side effects.
Attacks that exploit this kind of access
指定されたユーザーをフォローしているかどうかを確認します. It is categorised as a Read tool in the Qiita API MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Qiita API MCP Server MCP server in PolicyLayer and add a rule for is_user_followed: 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 Qiita API MCP Server. Nothing to install.
is_user_followed 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 is_user_followed 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 is_user_followed. 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.
is_user_followed is provided by the Qiita API MCP Server MCP server (selenium39/mcp-server-qiita). 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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