fix(spotify): pin mcp<2 and set writable HOME for credentials

skills/spotify/scripts/run_spotify_mcp.py

@@ -1,7 +1,8 @@
 #!/usr/bin/env python3
 """
 Spotify MCP Server Launcher for OpenClaw.
-Ensures credentials.json is configured from SPOTIFY_REFRESH_TOKEN, then executes uvx mcp-server-spotify.
+Ensures credentials.json is configured from SPOTIFY_REFRESH_TOKEN in a writable HOME,
+pins mcp<2 to avoid FastMCP renaming breakage in mcp 2.x, then executes uvx mcp-server-spotify.
 """
 
 import json
@@ -10,12 +11,30 @@ import sys
 from pathlib import Path
 
 
+def get_writable_home() -> Path:
+    candidates = [
+        Path("/home/node/.openclaw/spotify-home"),
+        Path("/tmp/spotify-home"),
+    ]
+    for p in candidates:
+        try:
+            p.mkdir(parents=True, exist_ok=True)
+            test_file = p / ".write_test"
+            test_file.write_text("ok")
+            test_file.unlink()
+            return p
+        except Exception:
+            continue
+    return Path("/tmp")
+
+
 def main():
     refresh_token = os.environ.get("SPOTIFY_REFRESH_TOKEN")
-    client_id = os.environ.get("SPOTIFY_CLIENT_ID")
-    client_secret = os.environ.get("SPOTIFY_CLIENT_SECRET")
 
-    creds_dir = Path.home() / ".spotify-mcp"
+    spotify_home = get_writable_home()
+    os.environ["HOME"] = str(spotify_home)
+
+    creds_dir = spotify_home / ".spotify-mcp"
     creds_file = creds_dir / "credentials.json"
 
     if refresh_token:
@@ -34,8 +53,8 @@ def main():
         except Exception as e:
             print(f"[run_spotify_mcp] Warning: Could not write credentials file: {e}", file=sys.stderr)
 
-    # Launch mcp-server-spotify via uvx
-    os.execvp("uvx", ["uvx", "mcp-server-spotify"])
+    # Launch mcp-server-spotify via uvx with pinned mcp<2
+    os.execvp("uvx", ["uvx", "--with", "mcp<2", "mcp-server-spotify"])
 
 
 if __name__ == "__main__":