Kroger MCP Server

Instructions

    Force re-authentication by clearing the current authentication token.
    Use this if you're having authentication issues or need to log in as a different user.
    
    Returns:
        Dictionary indicating the re-authentication was initiated
    

Implementation Reference

• src/kroger_mcp/tools/profile_tools.py:153-184 (handler)

  The main handler function for the 'force_reauthenticate' tool. It clears the current authentication token by calling invalidate_authenticated_client() and returns a success message instructing the user on next steps.

  @mcp.tool()
  async def force_reauthenticate(ctx: Context = None) -> Dict[str, Any]:
      """
      Force re-authentication by clearing the current authentication token.
      Use this if you're having authentication issues or need to log in as a different user.
      
      Returns:
          Dictionary indicating the re-authentication was initiated
      """
      if ctx:
          await ctx.info("Forcing re-authentication by clearing current token")
      
      try:
          # Clear the current authenticated client
          invalidate_authenticated_client()
          
          if ctx:
              await ctx.info("Authentication token cleared. Next cart operation will trigger re-authentication.")
          
          return {
              "success": True,
              "message": "Authentication token cleared. The next cart operation will open your browser for re-authentication.",
              "note": "You will need to log in again when you next use cart-related tools."
          }
          
      except Exception as e:
          if ctx:
              await ctx.error(f"Error clearing authentication: {str(e)}")
          return {
              "success": False,
              "error": str(e)
          }

• src/kroger_mcp/server.py:76-76 (registration)

  The registration call for the profile_tools module, which includes the force_reauthenticate tool.

  profile_tools.register_tools(mcp)

• src/kroger_mcp/tools/shared.py:120-123 (helper)

  Helper function used by force_reauthenticate to invalidate (clear) the global authenticated client reference.

  def invalidate_authenticated_client():
      """Invalidate the authenticated client to force re-authentication"""
      global _authenticated_client
      _authenticated_client = None