John Builds

Solo founder building in public. Making XreplyAI. The AI does the posting. I do the building so founders can stay visible on social without it consuming their day

Joined on Apr 20, 2026 https://xreplyai.com/

John Builds

May 29

Does Reposting Your Own Tweet Help? What the X Algorithm Actually Does

#twitter #socialmedia #growth #marketing

3 min read

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John Builds

May 28

How to persist landing page attribution across OAuth redirects (30 lines of middleware)

#webdev #javascript #startup #indiehacker

2 min read

John Builds

May 26

The building-in-public system that actually stuck (after failing every just be consistent framework)

#solofounder #indiehacker #productivity #ai

1 min read

John Builds

May 19

How we trained a voice profile to make AI LinkedIn posts sound less like AI

#ai #linkedin #indiehackers #buildinpublic

1 min read

John Builds

May 18

From GTM migration to missing UTM columns: getting ad attribution right as a solo founder

#solofounder #analytics #indiehacker #webdev

1 min read

John Builds

May 14

Why we moved from hardcoded gtag snippets to Google Tag Manager in our Next.js app

#nextjs #googletagmanager #analytics #solofounder

2 min read

John Builds

May 13

The real reason solo founders go quiet on social (and the system that fixes it)

#solofounder #productivity #ai #indiehacker

2 min read

John Builds

May 12

We A/B tested value-first onboarding (generate before subscribe) — here is what happened

#solofounder #indiehacker #productivity #ai

2 min read

John Builds

May 11

Best AI Tools for Social Media in 2026 (Ranked and Reviewed)

#socialmedia #ai #productivity #indiehacker

4 min read

John Builds

May 8

Auto-DM new Twitter/X followers: how we built it, and the API wall blocking Instagram and LinkedIn

#webdev #javascript #productivity #solofounder

2 min read

John Builds

May 6

Why AI content sounds generic (and the fix isn't better prompts)

#solofounder #ai #productivity #indiehacker

2 min read

John Builds

May 1

How to Format Text in LinkedIn Posts (Bold, Italic, Strikethrough)

#linkedin #socialmedia #contentcreator #indiehacker

3 min read

John Builds

Apr 30

How we built auto-DM for new X followers without making it feel like spam

#solofounder #indiehacker #productivity #ai

1 min read

John Builds

Apr 28

What is BYOK (Bring Your Own Key)? — Test

#ai #solofounder #productivity

1 min read

John Builds

Apr 22

What I built this week: moving publish actions into the editor to fix a silent drop-off problem

#showdev #nextjs #rails #ux

1 min read

John Builds

Apr 21

Why AI generated content sounds generic and the fix that actually worked for me

1 min read

DEV Community

John Builds

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Currently learning

Currently hacking on

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Does Reposting Your Own Tweet Help? What the X Algorithm Actually Does

Want to connect with John Builds?

How to persist landing page attribution across OAuth redirects (30 lines of middleware)

The building-in-public system that actually stuck (after failing every just be consistent framework)

How we trained a voice profile to make AI LinkedIn posts sound less like AI

From GTM migration to missing UTM columns: getting ad attribution right as a solo founder

Why we moved from hardcoded gtag snippets to Google Tag Manager in our Next.js app

The real reason solo founders go quiet on social (and the system that fixes it)

We A/B tested value-first onboarding (generate before subscribe) — here is what happened

Best AI Tools for Social Media in 2026 (Ranked and Reviewed)

Auto-DM new Twitter/X followers: how we built it, and the API wall blocking Instagram and LinkedIn

Why AI content sounds generic (and the fix isn't better prompts)

How to Format Text in LinkedIn Posts (Bold, Italic, Strikethrough)

How we built auto-DM for new X followers without making it feel like spam

What is BYOK (Bring Your Own Key)? — Test

What I built this week: moving publish actions into the editor to fix a silent drop-off problem

Why AI generated content sounds generic and the fix that actually worked for me