<p>To realize the precise control of optical particles, this study investigates the properties of modulated circular Airy–Gaussian vortex beams under tight focusing conditions. By varying parameters, including light distribution factors, vortex pair positions, and spin density vector orientations, distinct light intensity distributions are generated. Moreover, the spin density vector orientation is strongly correlated with the Gouy phase shift between the longitudinal and transverse electric field components of the vector beam. Furthermore, the gradient and scattering forces on Rayleigh dielectric particles induced by modulated circular Airy–Gaussian vortex beams are explored. The gradient forces of the modulated beams are in opposite directions on both sides of the focal plane, while the scattering force remains negligible. This work elucidates the unique characteristics of modulated Airy–Gaussian vortex beams and their potential for optical particle manipulation applications.</p>