Install
Inside DeepSeek Harness, with dsh-market
dsh plugin --profile web add dshmarket
Or from the command line
dsh plugin --profile web add "https://github.com/lehhair/dsh-diff-viewer/releases/latest/download/dsh-external-dsh-diff-viewer.tgz"
Installing runs third-party code with your own permissions — it can read your files, use your credentials and reach the network. Review the source first, and pin a commit (github:owner/repo#sha) when you can.