You can list the contents of a given Pachyderm repository using the following commands.
Tool:
aws --endpoint-url http://localhost:30600/ s3 ls s3://master.raw_data.myproject
# 2021-04-26 11:22:23 2685061 github_issues_medium.csv
mc ls local/master.raw_data.myproject
# [2021-04-26 12:11:37 PDT] 2.6MiB github_issues_medium.csv