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

D-branes in $\mathrm{AdS}_3\times \mathrm{S}^3\times \mathbb{T}^4$ at $k=1$ and their holographic duals