Abu Ahmad ibn 'Adi al-Jarjani: From the people of truth, the Imams of the people narrated from him
Abu Hatim al-Razi: Good in Hadith, his place is truth
Abu Dawud al-Sijistani: I do not narrate from Abu al-Ash'ath, meaning Ahmad ibn al-Muqdam. I said: Why? He said: Because he used to know magic tricks
Abu 'Urwah al-Harani: He praised him
Ahmad ibn Shu'ayb al-Nasa'i: There is nothing wrong with him
Ibn Hajar al-'Asqalani: Truthful, a narrator of Hadith. Abu Dawud criticized his manhood for his joking
Ibn 'Abd al-Barr al-Andalusi: He considered him trustworthy
Al-Dhahabi: Trustworthy
Salih ibn Muhammad al-Jazrah: Trustworthy
Muhammad ibn Ishaq ibn Khuzaymah: Intelligent, a narrator of Hadith
Muslim ibn al-Qasim al-Andalusi: He considered him trustworthy
The Authors of Tahrir Taqrib al-Tahdhib: Trustworthy