Surely anyone with the Holy Spirit can act as an intercessor. Jesus, surely, but so can others.
Romans 8:26 Likewise the Spirit also helpeth our infirmities: for we know not what we should pray for as we ought: but the Spirit itself maketh
intercession for us with groanings which cannot be uttered.
27 And he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh
intercession for the saints according to the will of God.
1 Timothy 2:1 I exhort therefore, that, first of all, supplications, prayers,
intercessions, and giving of thanks, be made for all men;