Get artist listening data for a specific time period - REQUIRES AUTHENTICATION. Perfect for temporal queries like
AI agents call get_weekly_artist_chart to retrieve information from Lastfm without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical listening statistics for a specific time period. It queries Last.fm's API to fetch chart data about which artists were listened to most during a given week. There are no side effects, no data is created, modified, or deleted. The 'temporal queries' phrasing confirms it is a historical data retrieval operation.
From the tool's definition Tool name and description indicate data retrieval: 'Get artist listening data' with no mention of modifications, deletion, or execution. The sibling tools (get_*, including get_listening_stats, get_recent_tracks, get_loved_tracks) are all read-only queries.
Documented attack patterns abuse exactly the kind of access get_weekly_artist_chart gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Lastfm, and nothing reaches the server without passing your rules. This is the rule we recommend for get_weekly_artist_chart:
{
"version": "1",
"default": "deny",
"tools": {
"get_weekly_artist_chart": {}
}
}get_weekly_artist_chart is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get artist listening data for a specific time period - REQUIRES AUTHENTICATION. Perfect for temporal queries like. It is categorised as a Read tool in the Lastfm MCP Server, which means it retrieves data without modifying state.
Register the Lastfm MCP server in PolicyLayer and add a rule for get_weekly_artist_chart: 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 Lastfm. Nothing to install.
get_weekly_artist_chart 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_weekly_artist_chart 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_weekly_artist_chart. 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_weekly_artist_chart is provided by the Lastfm MCP server (rianvdm/lastfm-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Lastfm tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
21 Lastfm tools catalogued and risk-classified — across an index of 42,500+ MCP servers.