Chris Arcand developed a custom User-Agent header for the hashicorp/terraform-mcp-server repository, focusing on enhancing API Development and Backend Development using Go. By aligning the MCP server’s API request headers with Registry API conventions, Chris enabled more precise observability and traceability in HCP Terraform logs. This technical approach allows teams to distinguish MCP server traffic from other go-tfe clients, supporting accurate usage tracking, faster debugging, and improved capacity planning. The implementation was backward-compatible and contained, reflecting careful engineering. Although the work spanned a single feature over one month, it addressed a targeted need for unified metrics and cross-team collaboration.