These channels are all subjected to either the Click-Thru license agreement or the overall OCI Cloud license in the case of cloud shell and OCI Yum.
SQLcl is out of the box installed in cloud shell and ready to use.
Any compute node in Oracle Cloud can issue a simple yum install sqlcl to have the tool installed. This also applies to Oracle REST Data Services with yum install ords. The releases in this repository are updated as releases are loaded to Oracle.com
SQLcl has just changed its licensing to the Oracle Free Use Terms and Conditions.
That means the tool can now be downloaded without a manual click to agree. This change will also make automated downloads possible.
The location on oracle.com will be unchanged to discover the links on the download page. The release that has gone live today is https://download.oracle.com/otn_software/java/sqldeveloper/sqlcl-126.96.36.199.1704.zip
There is also a sqlcl-latest.zip which will always be the most current release. This will assist in making it as easy as possible to download the latest released version of the tool in an automated way. The path to that zip file is: https://download.oracle.com/otn_software/java/sqldeveloper/sqlcl-latest.zip
From now on, you can download SQLcl via a simple cURL command:
curl -O https://download.oracle.com/otn_software/java/sqldeveloper/sqlcl-latest.zip
or even download, extract and install it, ready to connect to your Oracle Databases.