SlackThreadReadState: Unread Thread Tracker
Automatically tracks which Slack threads you've actually read vs. which ones you've scrolled past, sending daily digests of unread replies in threads you're part of.
The Problem
Slack thread replies don't show up in your main unread count, so important context gets buried. Users miss critical replies in threads they started or participated in because there's no native way to track thread-specific read state across your entire workspace.
Target Audience
Remote teams (10-500 people) using Slack as their primary communication tool, especially managers and team leads who need to stay on top of threaded conversations without manually checking every thread.
Why Now?
Slack's adoption of threaded conversations has matured, but their native unread indicators are weak. Teams are now losing work in threads, making this a pain point that's starting to surface in team surveys and Slack complaints.
What's Missing
Slack's own thread notifications are reactive and buried; there's no proactive daily/weekly digest of threads you're part of that have new activity. Existing solutions focus on scheduling or bulk messaging, not thread intelligence.
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