macOS – What Does ~/Library/Application Support/Knowledge/ Folder Do

macos

After upgrading to MacOS Sierra, a new folder ~/Library/Application\ Support/Knowledge/ emerged, I'm not sure what it stores

I already tried to google for it, but only got results for Application Support folder.

Any ideas?

Best Answer

knowledge-agent

/usr/libexec/knowledge-agent writes its databases to
~/Library/Application Support/Knowledge and /var/db/CoreDuet/Knowledge.

This is Siri's proactive knowledge functionality. Siri will read data from the services you enable in System Preferences → Siri → Siri Suggestions & Privacy, writing data it finds useful into the database.