check_following_artists
Check if the user follows specific artists — this tests FOLLOW state, not library-saved state (for that use check_in_library). Accepts IDs or spotify:artist: URIs. Rows carry {id, uri, follows}; returns a boolean per ID. Max 50.
This record as markdown: /tools/novalux12-spotify-mcp/check-following-artists.md
What check_following_artists does on Spotify
AI agents call check_following_artists to retrieve information from Spotify without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why check_following_artists is rated Low
Queries follow state without modifying data or executing external operations.
From the tool's definition check if user follows, returns boolean, no side effects
Attacks that exploit this kind of access
The rule that runs check_following_artists safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Spotify, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For check_following_artists, this is the rule to start with:
check_following_artists 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 Spotify, apply this rule, and every check_following_artists call is checked against it from then on.
Questions about check_following_artists
Check if the user follows specific artists — this tests FOLLOW state, not library-saved state (for that use check_in_library). Accepts IDs or spotify:artist: URIs. Rows carry {id, uri, follows}; returns a boolean per ID. Max 50. It is categorised as a Read tool in the Spotify MCP Server, which means it retrieves data without modifying state.
Register the Spotify MCP server in PolicyLayer and add a rule for check_following_artists: 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. Nothing to install.
check_following_artists 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_artists 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_artists. 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_artists is provided by the Spotify MCP server (@novalux12/spotify-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Spotify, and thousands of servers like it.
This server
Across the catalogue