[Feature Request] Separate MCP server configuration file from main config

Bug Description
give me a place to store global mcp servers other than ~/.claude.json which is full of so much other crap. i want to keep my mcp setup in version control but that file is so noisy.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.62
• Feedback ID: 13aae308-b9b3-4177-ad69-857c459ee6f1

Errors

[{"error":"Error: File does not exist. Note: your current working directory is /Users/jubi/Desktop/podhaven.\n    at call (/$bunfs/root/claude:1796:6345)\n    at async HL8 (/$bunfs/root/claude:3510:15034)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-28T03:19:45.721Z"}]