thank you so much we have put a lot of love into our product!
pricing: we offer several credit based products that have different cost - requests, build minutes, eval runs, checklist all have different unit cost the breakdown is here https://docs.manufact.com/dashboard/billing thanks for pointing out that it should be more transparent!
auth: we published a few blogs https://manufact.com/blog/oauth-mcp https://manufact.com/blog/authentication
+ lots of auth templates you can start from https://manufact.com/templates