Maurice Kleine

Maurice Kleine (@mauricekleine) is a Dutch indie hacker and developer based in Amsterdam. He is the founder of Mockly (getmockly.com) — a tool that creates mock/prototype data and UI for software development. He is a recurring collaborator and mutual in Jan Wilmake's network, frequently interacting about Cloudflare, MCP, and indie building.^[1]

Projects

• Mockly (getmockly.com) — a mock data and UI prototyping tool that Jan actively supports and upvotes on product launch platforms
• In early 2026, Mockly reached €700 MRR, with Maurice aiming for €5,000^[2]

Connection to Jan

Jan and Maurice interact frequently on X about:

• Cloudflare Workers and MCP implementation issues (specifically OAuth in Cursor)
• AI tooling and building workflows
• The Amsterdam indie hacker scene (Hackadam — recurring hackathon meetups Jan is invited to but often can't attend)

Jan considers Maurice part of his Dutch/Amsterdam builder network. They frequently engage on product launches, code questions, and industry commentary.

Hackadam

Maurice is an organiser or regular participant in Hackadam — a recurring hacker meetup in Amsterdam. Jan was invited to Hackadam sessions in January 2026 and March 2026, though he couldn't always attend. The format: doors open 9:30, intros 10:30, lunch 12:00, demos 16:30, hangout.^[3]

See Also

• Jan Wilmake
• Groningen