X assistant that integrates with Claude, ChatGPT and Cursor to research your niche, score AI-written posts and publish them on X
Write once, publish to eight social platforms from one workspace
Stage
Startup
Startup
Founded
Not given
2025
Based in
Not given
IE
Pricing model
Freemium
Paid
Pricing
Starter $9/month or $90/year (100 credits per month); Pro $29/month or $290/year (700 credits per month); Ultra $49/month or $490/year (1,500 credits per month). A post costs 1 credit, 2 with a first reply or link. Unused credits last 3 months. All plans include 14 days free with 50 credits.
Solo: €15/month or €144/year (€12/month billed yearly). Pro: €30/month or €300/year (€25/month billed yearly). No per-channel fees.
Key features
Daily niche research: top posts for keywords and X trends
Weekly analysis of reference account and own account performance
Post scoring from 0 to 100 using TypeSafe's Jev judgment model
Automatic rewrites up to 3 rounds for posts below pass mark
Schedule posts up to 3 weeks in advance
Optional first reply with link below each post
Credit-based pricing: 1 credit per post, 2 with reply or link
Unused credits last 3 months
Schedule posts to 8 social platforms
Per-platform media optimization
Recurring posts
Multi-workspace support
REST API for developers
Basic post analytics
Media library with Canva, Drive, and Dropbox integration
Link shortener and hashtag groups
Calendar and queue for scheduling
What makes it different
Works inside your existing AI without a separate editor or new subscription
Runs no writing model; your AI writes, Kalen researches and scores
Nothing publishes without your explicit approval in chat
Scores posts against what works in your niche and your own best posts
Publishes through X's official API with optional first reply for links
Flat euro pricing with no per-channel fees
Supports Bluesky and Threads in the same plan as other networks
Clear failure status when a post fails to publish
No per-channel fees, unlike Buffer or Later
Built for individual operators and small teams, not enterprise
Kalen
PostOnce