Mcp-sync: One Config File to Rule Them All

Open Source · MCP · Architecture · 12 min read It started with a missing comma. We had just added a new tool to our MCP server stack and needed to push the update across our editors. Claude Desktop first, then Cursor, then Windsurf. Three editors, three config files, each with their own format quirks. We were moving fast, copy-pasting JSON blocks between files, and somewhere in the Windsurf config we dropped a comma between two properties. The file broke silently. No error message. No warning. T