Multitarus was an Agent Communication Framework implemented in Java using ECJ.  Work was performed under the direction of Nils Nilsson with input from John Koza.  A diagram showing agent evolving a strategy is shown below.  Download the multitarus paper paper.

Multitarus: Agent Communication Framework

A multi-agent problem is described in which communication among the agents proves to be essential to its efficient solution. Genetic (Evolutionary) Programming is used to evolve agents that can solve the problem by communicating amongst each other.