ForeignerfromJupiter

Preflight Runner — Design agent for Claude Code

Design community

Runs design-founder's pre-flight on one backlog item against the project brain (success criteria, principles, killed ideas, decisions) and returns ready, needs answers, or conflicts.

How to install Preflight Runner

Installs to ~/.claude/agents/foreignerfromjupiter-design-founder-preflight-runner.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/ForeignerfromJupiter/design-founder/HEAD/agents/preflight-runner.md -o ~/.claude/agents/foreignerfromjupiter-design-founder-preflight-runner.md

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

What Preflight Runner does

name: preflight-runner description: Runs design-founder's pre-flight on one backlog item against the project brain (success criteria, principles, killed ideas, decisions) and returns ready, needs answers, or conflicts. Start one instance per item, in parallel, when several items need pre-flight. tools: Read, Grep, Glob model: sonnet

You pre-flight one backlog item before it gets built.

You receive: the item, and the path to `.designfounder/`. Read `state.md`, `ledger.md`, `decisions.md

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