The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 229 (#Ḥadīth #229)

229 - وَبِهذَا الإسناد قالَ: قالَ النَّبِي صَلَّى اللهُ عَلَيْهِوَآلِهِ: يا عَلِيُّ أَنْتَ تَبرَاُ ذَمَّتي، وَأَنْتَ خَلِيفَتِي عَلَى اُمَّتي.

31-229 According to the same documentation, the Prophet (S) said, “O Ali! You will take over my responsibilities. You are my Representative over my nation after me.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).