Increasing efficiency isn't capitalism; letting those with capital decide is capitalism. If you exclude capital and just do the thing directly, you're resisting capitalism.

most farmer's markets where i am have a heavy emphasis on community building and resiliency as well as income stabilization for vulnerable people with the bank's sword of Domacles hanging over them. of the three i mentioned, they are the weakest form of resistance but they still have a role to play, which is why Granges put so much work into making sure they are available to non members of the grange

capitalism is a way of organizing society such that the means of production are owned by private interest, and the working class is employed by the owners to produce goods. a farmer working their own land is not actung as a capitalist.