Automated Instagram Commenting on Selected Profiles with GPT-4o and Phantombuster Solution

Workflow overview

Why this workflow matters

Potentially useful as a reusable automation building block.

Who’s it for Influencers and social-media teams who want to comment automatically on posts from selected Instagram profiles—scaling engagement while staying within platform limits. How it works / What it does Schedule Trigger runs every 2 h. Profile Post Extractor fetches up to 20 posts per profile from your CSV. Select Cookie rotates Instagram session-cookies. Get Random Post selects one. Create Comment (GPT-4o) writes ≤150-character reply in your chosen language. Builds instagram_post_to_comment.csv, uploads to SharePoint. Phantombuster Autocomment Agent posts it. Logged in instagram_posts_already_commented.csv to prevent repeats. How to set up Same as the auto-liker, but also add instagram_posts_already_commented.csv (header postUrl). Define tracked profiles in profiles_instagram.csv. Configure comment prompt & language in Set ENV Variables. Profile CSV format Your profiles_instagram.csv must contain a header profileUrl and valid Instagram profile URLs. Example: profileUrl https://www.instagram.com/brand_account/ https://www.instagram.com/influencer123/

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