1. A method for melding mediation and adaptation modules of a service component architecture (SCA) system, the method comprising: selecting each of a mediation module and an adaptation module in an integrated development tool executing in memory by a processor of a computer, each of the mediation module and the adaptation module comprising at least one mediation flow component; loading respectively different descriptor files for each of the mediation module and the adaptation module; combining descriptors from the different descriptor files into a single descriptor file for a melded module; and, modifying names and wiring descriptors in the single descriptor file for the melded module to account for a combination of mediation flow components from each of the mediation module and the adaptation module in the melded module.