Vibe Coding playbook/Module 1 · What vibe coding is

Day 03 / 100 · What vibe coding is

Great at the first 80%.

AI agents build working software fast. As a rough rule, the hard part is the last 20%: edge cases, security and scale. Know which zone your idea sits in.

Go

Sweet Spot

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Landing pages and static sites

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Personal tools and scripts

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Prototypes and mockups

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Internal dashboards over exports

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Chrome extensions

Go carefully

Needs Guardrails

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Anything with logins

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Apps storing personal data

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Connecting to paid APIs

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Tools other teams rely on

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Anything customer-facing

Get engineers

Not Solo

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Payments and billing logic

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Health or financial records

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High-scale or real-time systems

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Core regulated platforms

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Security-critical code

Prototype anything. Ship carefully. Know your red zone.