Moisten the rim of a rocks glass with a lime wedge and dip into a small plate of salt.

Fill the prepared glass with fresh ice cubes.

In a cocktail shaker, combine the tequila, fresh lime juice, orange juice, and agave nectar.

Add ice to the shaker and shake vigorously for approximately 15 seconds until the exterior of the shaker is chilled.

Strain the mixture into the prepared rocks glass.

Garnish with a fresh lime wedge and serve immediately.