Cline offers the option of utilizing AWS credentials or AWS profiles to access AWS Bedrock services. SSO/Federated roles are suggested over Legacy IAM configuration; this guide describes how to configure your environment so that Cline uses SSO roles for authentication.
If you do not already have AWS access through the IAM Identity Center, follow the IAM User Guide to set up IAM users and roles. Ensure you have a PowerUserAccess role.
If you have access to AWS through your employer, open your AWS access portal and find the appropriate account. Ensure you have PowerUserAccess permissions.
Open the Access keys link and note the SSO start URL and SSO region, which are needed in the next step