Within the Tibetan milieu, the textual heart of the Ngagpa milieu lies above all in the tantric and Dzogchen scriptures, rather than in monastic codes. Foundational are the Mahāyoga, Anuyoga, and Atiyoga/Dzogchen tantras, with the Guhyagarbha Tantra often standing out as a central Mahāyoga scripture. Alongside it, Dzogchen cycles such as the Seventeen Tantras and related works like the Kun-byed rgyal-po articulate the view and meditative approach that many non-monastic practitioners hold as their inner compass. These root tantras are not merely studied as philosophy; they function as living sources for ritual, meditation, and yogic discipline in the householder context that characterizes the Ngagpa way of life.

Equally central is the vast corpus of Nyingma tantric literature, especially the Nyingma Gyubum, which gathers the early strata of Kriyā, Caryā, Yoga, Mahāyoga, Anuyoga, and Atiyoga tantras. Within and around this canonical body, revealed treasure texts (terma) play a decisive role. Cycles such as Longchen Nyingthig, Dudjom Tersar, and Chokling Tersar exemplify how visionary revelations renew and particularize the tantric heritage for specific lineages and communities. Collections like Damngak Dzö and other treasuries of instructions serve as reservoirs of pith guidance, linking the lofty vision of the tantras to concrete contemplative method.

The living practice of Ngagpa communities is further shaped by a wide range of practical manuals and ritual texts. Sādhana collections for specific deities, Chöd liturgies, Phowa instructions, and detailed guidance for Trekchö and Tögal practice translate the high view of tantra and Dzogchen into daily yogic discipline. Lineage-specific texts, including hereditary family transmissions, oral instruction compilations (man-ngag), and ritual manuals for life-cycle ceremonies and communal rites, anchor these teachings in the fabric of ordinary life. In this way, the scriptural world of the Ngagpa is not an abstract library but a woven tapestry of root tantras, commentaries, termas, and practice texts, all oriented toward integrating profound realization with the responsibilities and relationships of a non-monastic existence.