In July 2025, focused on strengthening MCP server reliability and developer experience in the Metals MCP integration. Key efforts centered on robust port resolution, scalable formatting tooling, and enhanced test execution controls, delivering improved stability and efficiency for MCP workflows.

June 2025 monthly summary for scalameta/metals: Delivered Claude Client Integration with a general client-focused configuration. Introduced an mcpClient option to select clients (e.g., 'claude'), enabling automatic project-scoped configuration generation and decoupling client support from editor-specific implementations, thereby improving extensibility and IDE interoperability. This work lays the foundation for scalable client integrations and reduces setup friction for Claude across IDEs.

February 2025 monthly summary focused on aligning MacVim behavior with Mill build tool changes by updating filetype recognition for Mill build files. Implemented updates so '*.mill' files are treated as Scala, ensuring correct syntax highlighting and recognition across MacVim. This improvement reduces editing errors and improves developer productivity for Scala/Mill workflows.