The Mañjuśrī-Nāma-Saṃgīti is considered amongst the most advanced teachings given by the Shakyamuni Buddha. It represents the pinnacle of all Shakyamuni Buddha's teachings, being a tantra of the nondual (advaya) class, along with the Kalachakra Tantra.
Apart from classical Mahāyāna Buddhist practices like the six perfections, Tibetan Buddhism also includes tantric practices, such as deity yoga and the Six Dharmas of Naropa as well as methods which are seen as transcending tantra, like Dzogchen.
In Tibetan Buddhism, practices are generally classified as either Sutra (or Pāramitāyāna) or Tantra (Vajrayāna or Mantrayāna), though exactly what constitutes each category and what is included and excluded in each is a matter of debate and .
The Buddhist Tantras are a varied group of Indian and Tibetan texts which outline unique views and practices of the Buddhist tantra religious systems.
Buddhist Tantric texts began appearing in the Gupta Empire period though there are texts with elements associated with Tantra that can be seen as early as the third century.
By the eighth century, Tantra was a dominant force in North India and the number of texts increased with numerous Tantric pandits writing .