Tamil Śaiva Siddhānta rests upon a layered scriptural foundation in which revelation, devotion, and philosophical reflection are held together in a single sacred vision. At the apex stand the Śaiva Āgamas, especially the 28 Siddhānta Āgamas, regarded as the primary source for doctrine, ritual, and temple worship. These texts are treated as the direct word of Śiva, laying down theology, mantra, yoga, and the entire architecture of temple-based practice. Alongside them, the Vedas and Upaniṣads are acknowledged as authoritative, yet are interpreted through a distinctively Śaiva lens, with the Āgamas providing the more specific articulation of Śiva’s path.

Flowing from this scriptural summit is the Tamil devotional canon, the Tirumurai, often revered as a “Tamil Veda.” This twelvefold collection includes the Tēvāram hymns of Campantar, Appar, and other Nāyaṉmārs, the Tiruvācakam of Māṇikkavācakar, and culminates in Cēkkiḻār’s Periya Purāṇam, the great hagiography of the 63 Nāyaṉmārs. These works do more than inspire devotion; they function as living theology, giving concrete voice to the relationship between Śiva and the devotee in temple, pilgrimage, and daily life. Through their poetry, the abstract teachings of the Āgamas are experienced as love, surrender, and grace.

Complementing this devotional corpus is the body of Tamil Śaiva Siddhānta philosophical treatises, often gathered under the name Meykaṇṭa Śāstra. Texts such as Śivajñāna-bodham by Meykaṇṭār, Śivajñāna-siddhiyār by Aruḷnandi Śivācārya, and works of Umāpati Śivācārya like Śivajñāna-sāram and related compositions, systematize the tradition’s core vision of Pati–Paśu–Pāśa: Lord, soul, and bondage. These writings draw upon the Āgamas and the Tirumurai, offering a carefully reasoned account of liberation, grace, and the soul’s journey, and thus serve as a bridge between scriptural revelation and philosophical clarity.

Around these central strata lies a rich orbit of auxiliary literature that sustains the living practice of the tradition. Commentaries on the Tirumurai and Meykaṇṭa texts, temple sthala-purāṇas, and ritual manuals used by Śaiva ācāryas extend and apply the foundational teachings to specific temples, communities, and ritual contexts. Taken together, this layered canon shows Tamil Śaiva Siddhānta not as a mere set of doctrines, but as a woven tapestry of revelation, song, and reason, through which devotion to Śiva and the quest for liberation are continually renewed.