[mjs7231]

You want to save space by not having data on your local system but use a local search to look in the contents of files not on that system? You can't have your cake and eat it too.

[borski]

Sure you can: index it once, and then stream it forevermore.

[ctoshok]

except remote contents can change

[SturgeonsLaw]

Store a hash or checksum in the index and also allow the remote API to return the hash/checksum to see if the file has changed