Blue Annals, pp. 226, 342, 371, 760, 761, 765, 795-796, 800-801, 1043, 1046, 1061.
Tibetans, at least, often refer to Abhayākaragupta by the shortened form Abhaya, so it is entirely possible these should be counted among his works (they are works on subjects that would have been among his interests).
Bibliography:
Devīkālīstotra (Dpal lha mo nag mo la bstod pa).
According to Namdol, CS, p. 156, this is found in Peking Tanjur supplement volume, no. 4795.
Mahākālastotra (Nag po chen po la bstod pa).
According to Namdol, CS, p. 155, this is found in Peking Tanjur supplement volume, no. 4787. Author's name is given as 'Jig med [i.e., 'Jigs med], which is re-Sanskritized as Abhaya.
Pratiṣṭhāvidhi (Rab tu gnas pa'i cho ga). Tôh. no. 1905. Dergé Tanjur, vol. PHI, folios 16v.4-21v.4.
Dergé colophon: paṇḍi ta mi 'jigs pa'i phyag gis mdzad pa // rab gnas kyi cho ga mdor bsdus pa rdzogs so.