MCP is currently broken in Cursor, Cline, and Claude Code due to their poor support for authentication. While they all claim to support it, and will send the x-api-key header in their initial connections, they don't send it in their actual calls to the tools.
MCP is currently broken in Cursor, Cline, and Claude Code due to their poor support for authentication. While they all claim to support it, and will send the
x-api-keyheader in their initial connections, they don't send it in their actual calls to the tools.