I’ve been left a little cold by personal agents so far but Grok Bot is really good. Don’t be put off by the name (“Grok” still seems like the worst branding possible to me) - the Twitter access makes it a really useful tool.
Last week, we removed the need for a developer account and X API credits to use the X connector in Grok Bot
Ask @bot to manage your bookmarks, go over your DMs, or draft an article for you free of additional charge