Combine creamy peanut butter, agave nectar, oil, vanilla, and salt in a microwave safe bowl. Microwave on high for one minute or until bubbly. Put in fridge and completely cool before combining with dry ingredients.
Combine cereal, oats, chocolate chips and peanuts in a medium bowl.
Pour cooled peanut mixture over barley mixture and toss well to coat. Press into a 11x7 inch baking dish coated with cooking spray. Bake at 350 degrees for 15-20 minutes or until set. Cut into bars.