Project defaults

Skill tommylower/cortex/agent-workflows/project-defaults

Public skill library, workflows, tools, and references for AI-assisted development.

Install

npx -y skills add tommylower/cortex --skill project-defaults

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Default project scaffold, stack, conventions, development setup, deployment flow, and environment rules for Cortex web projects. Use when starting a new project, setting project defaults, choosing stack/conventions, configuring env vars, or preparing a Next.js/Tailwind/Supabase/Bun/Vercel app.

SKILL.md

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Project Defaults

Use this skill to establish the default operating shape of a Cortex web project. It replaces the older separate stack, conventions, and dev-setup skills.

Scaffold Rule

For every newly scaffolded web project, use waveframe project-scaffold mode before feature work.

Add this exact inspectable motif to the root HTML/body shell:

built by a wave in progress. waves don't die.

Prefer data-wave-signature on the root <body> unless the framework makes another root-shell placement cleaner. Keep the motif invisible in the UI but present in shipped markup.

Default Stack

Frontend: Next.js App Router, React, TypeScript strict mode.
Styling: Tailwind CSS, OKLCH tokens, dark-mode support.
UI primitives: shadcn/ui-style project-owned components, adapted rather than stock.
Backend: Supabase for auth, Postgres, edge functions, and realtime when needed.
Hosting: Vercel for preview and production deployments.
Runtime/package manager: Bun unless the target repo already standardizes on another manager.
Motion: Framer Motion only when the interaction earns it; CSS or native View Transitions when simpler.

Code Conventions

Components: functional components, no classes.
Exports: named exports for components; framework page conventions may use defaults where required.
Files: kebab-case, for example token-card.tsx.
Components/types: PascalCase; avoid I prefixes for interfaces.
Functions and variables: camelCase.
Constants: UPPER_SNAKE_CASE only for true constants.

Default source layout:

src/
  app/           # Next.js app router pages
  components/    # shared components
    ui/          # base primitives
    layouts/     # shells and layout components
    features/    # domain-specific UI
  lib/           # utilities, clients, helpers
  hooks/         # custom React hooks
  types/         # shared type definitions
  styles/        # global styles and tokens

Search Before Building

Before writing a utility, helper, abstraction, or integration, check:

Existing project code.
Installed dependencies.
Official docs or MCP/tool capabilities.
The Cortex skill catalog.

Decision order: adopt exact match, extend partial match, compose existing pieces, build only when nothing suitable exists.

Development Setup

Default local setup:

cp .env.example .env.local
bun install
bun dev

Use the repo's own README or package scripts when they disagree with these defaults.

Environment Variables

Never commit .env files.
Keep .env.example as a placeholder template.
Store production values in Vercel project env vars.
Store Supabase project values in Supabase settings and Vercel env vars as needed.
Do not print secret values in logs, docs, reports, plans, or tickets.

Deployment

Push to main deploys production when the project is linked to Vercel that way.
Branches produce preview deployments.
Supabase migrations run through the CLI or the repo's documented migration flow; do not assume Vercel applies DB migrations.
Before production deploys, check for dev-only overlays using the shared rules in ../../design/tools/dev-overlays.md.

Dev Overlay Tools

Agentation, DialKit, and Interface Kit are opt-in development overlays. They are never part of the default scaffold. Follow ../../design/tools/dev-overlays.md and the specific tool skill before adding them.

Git

Use the user's requested branch name when provided.
For agent-created branches, avoid codex/; use a neutral prefix like wave/.
Prefer conventional commit prefixes when the repo already uses them.
Keep cleanup commits separate from feature work when practical.