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Joan Comadran

Industrial engineer turned AI engineer. I solve problems with software: websites, apps and AI tools, 10x faster than before. Barcelona · joancomadran.dev

Location Barcelona Joined Joined on  Personal website https://joancomadran.dev
Claude Code cost per month: how to budget it before finance does

Claude Code cost per month: how to budget it before finance does

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7 min read
Supabase "new row violates row-level security policy": every cause and the fix

Supabase "new row violates row-level security policy": every cause and the fix

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8 min read
Shipping shareable poll results with Next.js ImageResponse

Shipping shareable poll results with Next.js ImageResponse

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6 min read
A pre-launch security checklist for Next.js + Supabase (from a real launch)

A pre-launch security checklist for Next.js + Supabase (from a real launch)

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9 min read
AI agent development cost: what actually moves the number (2026)

AI agent development cost: what actually moves the number (2026)

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8 min read
Claude vs GPT for AI agents: what I actually ship with (2026)

Claude vs GPT for AI agents: what I actually ship with (2026)

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10 min read
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