AI growth agent that replies to Build in Public community posts from your own browser
Send a message on a paper lantern and let it drift across the world on the real wind until a stranger catches it and sends it on
Stage
Startup
Not given
Founded
2024
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Based in
Not given
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Pricing model
Paid
Free
Pricing
Growth Agent Plan: $29.99/month (includes autonomous Build in Public replies, Search Post, Target Monitoring, and Smart DM). Tools Plan: $9.99/month (all three tools without the autonomous agent).
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Key features
Autonomous Build in Public replies up to 50 per day
Runs on your own machine with real browser fingerprint
Search Post tool to find relevant posts by keyword, engagement, and recency
Target Monitoring to watch up to 10 accounts in real time
Smart DM for personalized warm messages to new followers
Chrome extension with AI reply suggestions and voice-to-tweet
Human-paced engagement with author cooldowns
Multi-language support including English, Chinese, Spanish, Japanese, Korean, German, French, and Hindi
Tweet Value estimation showing ad value based on impressions and engagement
Activity Overview chart showing posting and reply patterns over time
Send messages on digital lanterns that drift on real wind patterns
Add messages to lanterns and send them on
Catch up to three lanterns per day
Live world map showing lantern journeys
Sign in with email, Google or Apple
Customizable notifications and quiet hours
Report and block users with moderation system
Set location to receive lanterns
What makes it different
Runs on your own machine with your real fingerprint, not from external data centers
Avoids duplicate posts and respects author cooldowns to stay safe and natural
Targeted engagement in Build in Public community focused on real builders
Human-paced replies that look like natural account activity
Includes three tools (Search Post, Target Monitoring, Smart DM) in one subscription
Messages drift on real wind patterns across a live world map
Messages are added by multiple strangers as lanterns travel
Emphasis on safety and kindness with content moderation
Location-based delivery of messages to nearby users
XJumper
Tell the Sky