  String theory on $\text{AdS}_3\times \text{S}^3\times \mathbb{T}^4$ with
minimal $k=1$ NS-NS flux can be described in terms of a free field worldsheet
theory in the hybrid formalism. We construct various D-branes of this string
theory and calculate their associated cylinder amplitudes. We find that these
amplitudes match with the cylinder correlators of certain boundary states of
the dual symmetric orbifold CFT $\text{Sym}(\mathbb{T}^4)$, thus suggesting a
direct correspondence between these boundary conditions. We also show that the
disk amplitudes of these D-branes localise to those points in the worldsheet
moduli space where the worldsheet disk holomorphically covers the spacetime
disk.
