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ReplyKit
ReplyKit is a Chrome extension that finds valuable X posts and generates short reply drafts.
ReplyKit helps users grow on X by identifying valuable posts in their niche and generating short reply drafts. As the user scrolls, the extension badges posts that have a real audience and are still early in the conversation. It produces three distinct reply options based on the specific content of the post, using Claude Sonnet across all plans. Users can also use ReplyKit on LinkedIn and Reddit, or paste posts into the web app when using a phone. It learns the user's voice from past posts and includes a polish feature for custom text. ReplyKit never posts on behalf of the user.
ReplyKit at a glance
- Best for: Marketer, Social media creator
- Runs on: Chrome extension, Web
- Pricing: Free plan; Free account €0; Pro €6.99/month
- Released: October 2026
- Category: AI chat assistant
- Website: replykit.eu
Key features
- Opportunity Radar badges high-value posts
- Generates three short reply drafts per post
- Learns user writing style from past posts
- Reads threads up to five posts deep
- Polishes custom drafts
- Supports X, LinkedIn, and Reddit
Use it for
- Finding relevant posts to answer on X
- Drafting short replies in a personal voice
- Scoring and ranking conversation opportunities
- Writing comments on LinkedIn and Reddit
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