[Bug] Invalid MCP Server Configuration in .mcp.json: Schema Validation Failed

Bug Description
The mcp server that is configured in .mcp.json is not found. /doctor shows an error:

[Failed to parse] Project config (shared via .mcp.json)
Location: C:\Users\Stefan\Documents\Sourcecode\produktiv\t3-requirements\.mcp.json
└ [Error] mcpServers: Does not adhere to MCP server configuration schema

.mcp.json

``` json
{
"mcpServers": {
"atlassian": {
"type": "http",
"url": "https://mcp.atlassian.com/v1/mcp/authv2"
}
}
}

**Environment Info**
- Platform: win32
- Terminal: windows-terminal
- Version: 2.1.128
- Feedback ID: aa44d47e-c620-4fc0-a82f-6418def8d5f3