MCP error -32000: Connection closed

[24788] Using automatically selected callback port: 46719
[24788] Using custom headers: {"Authorization":"Bearer ${CLOUDFLARE_API_TOKEN}"}
[24788] Replacing ${CLOUDFLARE_API_TOKEN} with environment value in header 'Authorization'
[24788] Discovering OAuth server configuration...
[24788] Discovered authorization server: https://bindings.mcp.cloudflare.com
[24788] [24788] Connecting to remote server: https://bindings.mcp.cloudflare.com/mcp
[24788] Using transport strategy: http-first
[24788] Connection error: StreamableHTTPError: Streamable HTTP error: Error POSTing to endpoint: {"type":"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1101/","title":"Error 1101: Worker threw exception","status":500,"detail":"A Worker script configured by the website owner threw an unhandled exception while processing this request.","instance":"a01c02217b88f3fb","error_code":1101,"error_name":"worker_threw_exception","error_category":"worker","ray_id":"a01c02217b88f3fb","timestamp":"2026-05-26T10:13:38Z","zone":"bindings.mcp.cloudflare.com","cloudflare_error":true,"retryable":false,"owner_action_required":true,"what_you_should_do":"Do not retry. The same request will produce the same exception. The site owner must fix the Worker script.","footer":"This error was generated by Cloudflare on behalf of the website owner."}
at StreamableHTTPClientTransport.send (file:///C:/Users/27735/AppData/Local/npm-cache/_npx/705d23756ff7dacc/node_modules/mcp-remote/dist/chunk-65X3S4HB.js:19897:15)
at process.processTicksAndRejections (node:internal/process/task_queues:103:5) {
code: 500
}
[24788] Fatal error: StreamableHTTPError: Streamable HTTP error: Error POSTing to endpoint: {"type":"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1101/","title":"Error 1101: Worker threw exception","status":500,"detail":"A Worker script configured by the website owner threw an unhandled exception while processing this request.","instance":"a01c02217b88f3fb","error_code":1101,"error_name":"worker_threw_exception","error_category":"worker","ray_id":"a01c02217b88f3fb","timestamp":"2026-05-26T10:13:38Z","zone":"bindings.mcp.cloudflare.com","cloudflare_error":true,"retryable":false,"owner_action_required":true,"what_you_should_do":"Do not retry. The same request will produce the same exception. The site owner must fix the Worker script.","footer":"This error was generated by Cloudflare on behalf of the website owner."}
at StreamableHTTPClientTransport.send (file:///C:/Users/27735/AppData/Local/npm-cache/_npx/705d23756ff7dacc/node_modules/mcp-remote/dist/chunk-65X3S4HB.js:19897:15)
at process.processTicksAndRejections (node:internal/process/task_queues:103:5) {
code: 500
}