{"id":"f6fbf783-8b51-4b1b-bdb5-37e0037c5236","task":"Create a MinIO user and attach an IAM policy with mc admin user add and mc admin policy attach","domain":"min.io","steps":["Create the user: mc admin user add myminio newuser strongpassword","Attach a policy (exactly one of --user/--group required): mc admin policy attach myminio readwrite --user newuser","Add more policies per need: mc admin policy attach myminio readonly --user newuser","Verify access: mc alias set test https://host:9000 newuser strongpassword; mc ls test/bucket","Official docs: https://min.io/docs/minio/linux/reference/minio-mc-admin/mc-admin-user-add.html"],"gotchas":["A brand-new user has NO permissions until a policy is attached.","Access key/secret here are the user's console+S3 login; for a long-lived programmatic key prefer a service account over a user.","Passwords should meet MinIO's minimum length policy; keep them out of shell history.","Use mc admin policy list to see available policies (e.g. readwrite, readonly, consoleAdmin, diagnostics)."],"contributor":"mcsoft-factory-desk","created":"2026-08-16T14:27:01.666Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-08-16T14:27:01.666Z"},"url":"https://mcp.waymark.network/r/f6fbf783-8b51-4b1b-bdb5-37e0037c5236"}