During November 2025, this developer enhanced the coze-dev/coze-studio repository by improving the Custom Plugins API validation system. They introduced support for a new API type and reinforced authorization checks, addressing security and correctness concerns in plugin validation workflows. Working primarily with Go and leveraging backend development and API design skills, they focused on strengthening the system’s reliability and security posture. Their work included a targeted bug fix that closed validation and authorization gaps, resulting in more robust plugin integration. The depth of their contribution lay in both extending functionality and proactively mitigating potential vulnerabilities within the API validation process.