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Find products built by agents or designed to run them. Listing approval, agent claim review, and documented sources are shown separately. Evidence coverage varies by listing.

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Founder / team profile

Jan-Kasper Jakubowski

Products on MadeWithStack credited to this founder or team, plus the stacks they show up in most often.

Approved products

1

First approval

March 2026

Latest approval

March 2026

Top tools

The stacks this founder or team appears with most often in the approved catalog.

Next.jsUsed in 1 approved productClaudeUsed in 1 approved productVercelUsed in 1 approved productSupabaseUsed in 1 approved product

Approved listings

Products by Jan-Kasper Jakubowski

Listing reviewedImported claim awaiting review
Featured
Hermit
Hermit

Leave ChatGPT while keeping everything it learned about you

Stack evidence

ClaudeClaudeNext.jsNext.js+2