Combine the tequila, agave, pineapple, cilantro and chile pepper in a large shaker; muddle with the end of a wooden spoon.
Add the pineapple juice, lime juice and triple sec to the shaker and fill with ice. Cover and shake vigorously for 15 seconds. Strain into 2 rocks glasses filled with ice. (Rim the glasses with salt, if desired.) Garnish with the pineapple wedges and more chile pepper.