Toby Plunkett worked on the hmcts/cnp-flux-config repository, focusing on expanding service authorization to support PCS API integration within the AAT environment. He implemented configuration changes using YAML, adding the PCS API to the authorized services whitelist to enable secure inter-service communication without manual reconfiguration. His work centered on configuration management and DevOps practices, ensuring that the environment was ready for deployment pipelines and aligned with existing configuration patterns. Although the scope was limited to a single feature and did not involve bug fixes, the changes provided an auditable and maintainable approach to managing service authorization in a complex environment.