Castan-AI

First Version — Development skill for Claude Code

Development community

Cut a product idea down to the smallest thing that gets one named person the outcome, and name what is deliberately left out.

How to install First Version

Installs to ~/.claude/skills/castan-ai-founder-commands-first-version/SKILL.md

Terminal

mkdir -p ~/.claude/skills/castan-ai-founder-commands-first-version && curl -fsSL https://raw.githubusercontent.com/Castan-AI/founder-commands/HEAD/commands/first-version.md -o ~/.claude/skills/castan-ai-founder-commands-first-version/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What First Version does

description: Cut a product idea down to the smallest thing that gets one named person the outcome, and name what is deliberately left out. argument-hint: [the product or idea, in one sentence]

What should the first version of $ARGUMENTS be

The first version is not a small copy of the product. It is the shortest path from one person's problem to one person's outcome, even if you carry them along it by hand.

Read the room first

Check whether Castan is connected in this session. It

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