During January 2026, Francisco Sarachu focused on improving documentation for the growthbook/growthbook repository, specifically targeting the MCP integration process. He addressed issues with command line interface usage and environment variable formatting, clarifying the correct syntax for adding MCP servers. By updating the Markdown documentation, Francisco ensured that developers could avoid common execution errors related to invalid environment variable formats. His work reduced onboarding friction and improved reliability for new contributors. The changes, while limited in scope to a single bug fix, demonstrated careful attention to developer experience and command line best practices, resulting in clearer, more actionable technical documentation.