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Overview

Rules let you customize AI behavior per space. They’re persistent instructions the AI follows every time it works in that space — like giving a colleague a standing brief.

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What rules do

Rules set context and constraints:
  • Coding style — “Use TypeScript strict mode. Prefer functional components.”
  • Project context — “This is a Next.js app deployed on Vercel. The API is at /api/.”
  • Behavior — “Always ask before deleting files. Run tests after making changes.”
  • Knowledge — “The main database is PostgreSQL. Auth uses JWT tokens.”

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Setting rules

Add rules in your space settings. They apply to every thread in that space. The AI reads them before starting any work.

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Tips for effective rules

DoDon’t
Be specific and actionableWrite vague aspirations
State constraints the AI should always followRepeat instructions you’ll give per-thread
Include project-specific knowledgeWrite rules that are obvious or universal
Keep rules conciseWrite essays — the AI handles short, clear rules best

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Example

This is a React + Express project. TypeScript strict mode.
- Frontend: React 19, Vite, styled-components
- Backend: Express, Drizzle ORM, PostgreSQL
- Always run `bun test` after making code changes
- Never commit directly to main — create a branch first