How to optimize Gemini for coding?

A user, who recently acquired a free Gemini plan and 400 GB Google Drive for 12 months, is considering unsubscribing from their Claude plan due to cost, despite being satisfied with Claude Sonnet for backend Golang development in the fintech industry. They are seeking advice on how to optimize Gemini for coding, including potential skills, connectivity to MCP, and integration with third-party harnesses, highlighting that the Claude plan's cost is a significant financial burden in their country.

This user's query highlights a key difference in AI model adoption, as cost-saving measures prompt a switch from Claude to Gemini for coding tasks.