Build an App with AI · Real example

Post one idea to many platforms without opening five apps.

Build the posting tool you use yourself: PostClaw, $300 MRR in 2 days

Building for yourself makes the pitch honest and specific.

$300MRR in 48 hours
2days to build
6failed products before

Figures as told to Indie Hackers (self-reported by the founder) · source

From Indie Hackers · Mar 2026

Source image for Build the posting tool you use yourself: PostClaw, $300 MRR in 2 days
Image from indiehackers.com

The Short Version

How Adrien (PostClaw) made $300 MRR in 48 hours, according to Indie Hackers (self-reported).

  • What: After six failed products, Adrien built PostClaw, a social posting tool with AI content adaptation, in two days because he needed it himself.
  • Result: He posted on Indie Hackers that PostClaw went from $0 to $300 MRR in 48 hours, with no audience and no ads (Indie Hackers, Mar 2026).
Key Facts
WhoAdrien (PostClaw)
ToolNot named in the source
Money$300 MRR in 48 hours
TimeframeMar 2026
SourceIndie Hackers
Self-reportedYes

Source posted Mar 2026Figures as shared by the creatorHow we check sources

The workflow

GoalBuild an App with AI
$300ResultMRR in 48 hours

Where & With What

What They Did

  1. 1The moveAfter six failed products, Adrien built PostClaw, a social posting tool with AI content adaptation, in two days because he needed it himself.
  2. 2Step 2Build what you use
  3. 3Step 3Sell benefits, not features
  4. 4ResultHe posted on Indie Hackers that PostClaw went from $0 to $300 MRR in 48 hours, with no audience and no ads (Indie Hackers, Mar 2026).

Quick Answers

What tools do you need?

Just the platform account.

How much does it cost?

No paid tools needed: this case uses only the platform itself, which is free to join.

Is it allowed?

Follow the platform rules and disclose ads.

Watch out: Self-reported and small. A commenter raised questions about credential security and rate limits, which any posting tool should answer.

Try It Yourself

The prompt
(Our template, not the creator's prompt.) Rewrite this feature list [paste] as 5 benefits a solo founder feels in their day, each in under 12 words.

Your first step

Paste the prompt into your AI assistant and swap the [brackets] for your own niche.

Full write-up & sources

More detail: He marketed benefits (getting two hours a day back) instead of features.

Source: Indie Hackers · Mar 2026. Summarised in our own words; figures as told to Indie Hackers (self-reported by the founder). Updated .

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