John Builds

Solo founder building XreplyAI. An AI social media tool for founders who want consistent presence across X, LinkedIn, Instagram, and 5 other platforms without making it a full-time job.

Products

XreplyAI
AI social media manager for solo founders and creators. XreplyAI handles your presence across X, LinkedIn, Instagram, Threads, YouTube, TikTok, Pinterest, and Bluesky — scheduling posts, generating replies, and voice. Trains on your own posts so content sounds like you wrote it.
2025-present0
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Recent activity

The bug that taught me to stop trusting my own code reads

Claude Fable/Opus in XreplyAI via OpenRouter (pay-as-you-go)

What makes you dread opening your social posting tool?

Four months without opening a composer: what dogfooding our scheduler actually bought us

The most specific sentence in your draft is usually not the first line

Render to Railway: what we learned migrating a production Rails API

The bug my test was actively protecting

I spent a day debugging a coin flip that was working fine

Do you know why your best post worked, or are you guessing?

The distribution mistake I made for four months

Instagram was my worst channel until I stopped treating posting as a daily decision

Can you schedule a post on TikTok? Yes, with two gates most creators miss

The free tool I shipped in a week just out-converted my paid ads

The bug report said "regression." It had never been built.

How do you decide what to repurpose from a long post?

Adjectives in prompts gave me generic drafts. 50 of my own posts fixed it

I stopped blaming discipline for my inconsistent posting. The fix was a system, not willpower.

My posting consistency doubled when I stopped writing daily

How to format text in LinkedIn posts (bold, italic, bullets) with Unicode

I shipped a "forgiving" retention streak: here's the mechanic and why