Changed MCP Server tool name

mcp_server.js

@@ -8,10 +8,10 @@ const {
   LLM_PROVIDERS,
 } = require("./get_popularity");
 
-const log = (...args) => console.error("[mcp-spotify]", ...args);
+const log = (...args) => console.error("[mcp-song-popularity]", ...args);
 
 const server = new McpServer({
-  name: "spotify-tools",
+  name: "song-popularity-tools",
   version: "1.0.0",
 });