Its purpose is to avoid storing cleartext passwords in .couchapprc. The plugin replaces specific URI userinfo strings (e.g. KEYCHAIN_CREDENTIALS) in the .couchapprc with username and password retrieved from a credentials store like Keychain Services in Mac OS X. The plugin is designed to be extensible to support different credentials stores and takes into account that not all stores are available on every platform.
…ments such as images get totally screwed.