# List IAM user MFA devices

Canonical URL: https://docs.fuse.init.inc/integrations/aws/actions/iam.users.mfa_devices.list

List MFA devices assigned to a user with opaque cursor pagination. Requires iam:ListMFADevices.

Action ID: `iam.users.mfa_devices.list`
Provider: AWS (`aws`)
Contract version: 1

## Risk and exposure

- Risk: Read
- Idempotency: Safe — Safe to retry without coordination; repeats do not create additional side effects.
- Availability: Default
- Exposure: REST, SDK, MCP
- MCP hints: readOnly=true, destructive=false, idempotent=true, openWorld=true

## Required scopes

- `iam:ListMFADevices`

## Input schema fields

- `user_name`
- `page_size`
- `cursor`

## Output schema fields

- `devices`
- `devices[]`
- `devices[].user_name`
- `devices[].serial_number`
- `devices[].enabled_at`
- `next_cursor`

Provider overview: https://docs.fuse.init.inc/integrations/aws
Actions index: https://docs.fuse.init.inc/integrations/aws/actions
Exact canonical JSON contract: https://docs.fuse.init.inc/api/catalog/v1/providers/aws/actions/iam.users.mfa_devices.list
Deployment-effective discovery: https://api.fuse.init.inc/v1/tenants/%7Btenant_id%7D/providers/aws/actions