Check whether the current user follows the given artists or users.
AI agents call check_following to retrieve information from Spotify MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only query to determine following status. It retrieves information about the user's social connections on Spotify but does not create, modify, delete, or execute any operations. The operation has no side effects and poses minimal security risk even if misused by an AI agent, as it only exposes existing relationship data the authenticated user can already access.
From the tool's definition Tool name 'check_following' and description 'Check whether the current user follows the given artists or users' indicate a query operation that retrieves boolean status information without modifying any data.
Attacks that exploit this kind of access
Check whether the current user follows the given artists or users. It is categorised as a Read tool in the Spotify MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Spotify MCP Server MCP server in PolicyLayer and add a rule for check_following: 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 Spotify MCP Server. Nothing to install.
check_following 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 check_following 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 check_following. 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.
check_following is provided by the Spotify MCP Server MCP server (llyfn/spotify-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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