create_playlist

Instructions

Create a new playlist on Spotify and add tracks to it.

Args:
    name: Name of the playlist
    track_uris: List of Spotify track URIs to add to the playlist
    description: Optional description for the playlist
    public: Whether the playlist should be public (default: False)

Implementation Reference

• spotify.py:34-34 (registration)

  Registration of the create_playlist tool using the @mcp.tool decorator

  @mcp.tool("create_playlist")

• spotify.py:35-60 (handler)

  Handler function that performs authentication/refresh and calls the SpotifyClient to create the playlist.

  def create_playlist(name: str, track_uris: List[str], description: str = "", public: bool = False) -> dict:
      """
      Create a new playlist on Spotify and add tracks to it.
  
      Args:
          name: Name of the playlist
          track_uris: List of Spotify track URIs to add to the playlist
          description: Optional description for the playlist
          public: Whether the playlist should be public (default: False)
      """
      user_id = get_current_user_id()
      tokens = get_user_tokens(user_id)
      if not tokens:
          raise Exception("No tokens found for user")
  
      if tokens["token_expiry"] < time.time():
          tokens = spotify_client.refresh_access_token(tokens["refresh_token"])
          update_access_token(user_id, tokens["access_token"], tokens.get("expires_in", 3600))
      
      return spotify_client.create_playlist_with_tracks(
          access_token=tokens["access_token"],
          user_id=user_id,
          name=name,
          track_uris=track_uris,
          description=description
      )

• spotify_client.py:40-88 (helper)

  Core implementation that makes Spotify API calls to create a playlist and add tracks to it.

  def create_playlist_with_tracks(self, access_token: str, user_id: str, name: str, track_uris: List[str], description: str = "") -> dict:
      """
      Creates a private playlist and adds the specified tracks to it.
      
      Args:
          access_token: Spotify access token
          user_id: Spotify user ID
          name: Name of the playlist
          track_uris: List of Spotify track URIs to add
          description: Optional playlist description
          
      Returns:
          The created playlist data if successful, None otherwise
      """
      headers = {
          "Authorization": f"Bearer {access_token}",
          "Content-Type": "application/json"
      }
      
      # Create the playlist
      playlist_data = {
          "name": name,
          "description": description,
          "public": False
      }
      
      response = requests.post(
          f"{self.base_url}/users/{user_id}/playlists",
          headers=headers,
          json=playlist_data
      )
      
      if response.status_code != 201:
          return None
          
      playlist = response.json()
      
      # Add tracks to the playlist
      tracks_data = {
          "uris": track_uris
      }
      
      response = requests.post(
          f"{self.base_url}/playlists/{playlist['id']}/tracks",
          headers=headers,
          json=tracks_data
      )
      
      return playlist if response.status_code == 201 else None

• spotify.py:35-44 (schema)

  Input schema defined by function signature and docstring describing parameters.

  def create_playlist(name: str, track_uris: List[str], description: str = "", public: bool = False) -> dict:
      """
      Create a new playlist on Spotify and add tracks to it.
  
      Args:
          name: Name of the playlist
          track_uris: List of Spotify track URIs to add to the playlist
          description: Optional description for the playlist
          public: Whether the playlist should be public (default: False)
      """