Abu Hatim al-Razi: Reliable in Hadith
Abu Hatim ibn Hibban al-Busti: Mentioned him among the trustworthy and said: He narrates from al-Muqdam ibn Ma'di Karib. The people of Syria narrated from him.
Ahmad ibn Salih al-Jalili: Trustworthy
Ibn Hajar al-Asqalani: Trustworthy, he narrated many Hadiths through shortened chains of narration (arsala)
Al-Dhahabi: Truthful
Duhaym al-Dimashqi: Trustworthy
Muhammad ibn Ismail al-Bukhari: Mentioned him in al-Tarikh and said: He narrated from al-Muqdam ibn Ma'di Karib. Safwan ibn Amr and Sulayman ibn Salim narrated from him.
Yahya ibn Ma'in: Trustworthy