Basilic: API-First TypeScript FullStack Starter

Build production-ready APIs and apps with typed SDKs, out-of-the-box authentication, a portable architecture, AI tooling, and crypto integrations. Fastify • OpenAPI • Next.js • Expo — one stack, multiple platforms.

🚧 Active development — Explore, fork, and contribute. 🏗️

Features

• 🤖 AI-first dev workflow — Agent rules, skills, MCP integrations, and automated CodeRabbit reviews
• 🔌 REST API & JWT — OpenAPI spec, Swagger UI, JWT and API key auth for all clients
• 📦 SDK generation — Type-safe clients from OpenAPI via HeyAPI
• 🧩 Web3 & AI starters — Ready-to-use templates for Next.js, React, Expo, Fastify, and Ponder
• 🔓 Zero vendor lock-in — Run on VPS, AWS, Vercel, or local
• 🎨 Turbo monorepo + design system — ShadcnUI components with shared utilities
• ⚙️ Preconfigured dev tools — Biome, Git workflows, hooks, and security checks
• 🛡️ Security & quality — Automated checks in CI (e.g. Gitleaks, OSV)
• ⛓️ Multichain — EVM, Solana; shared validation and chain-specific tooling
• 📐 Conventions — Cursor rules per domain, @repo/error, Pino logging, shared TS and style
• 🧑‍💻 TypeScript-first — End-to-end types from database to frontend

Technology stack

• AI: AI SDK, OpenAI, Claude, Grok
• Frontend: Next.js 16, React 19, Tailwind, ShadcnUI
• Backend: Fastify, PostgreSQL, Supabase
• Web3: Solidity, Viem, Wagmi, Ponder, Solana
• DevOps: pnpm, TurboRepo, TypeScript, Biome, ESLint

Apps

• API — Type-safe REST API built with Fastify & OpenAPI
• Web App — Next.js app with monorepo integration
• Mobile App — Expo app (Android, iOS, Web)
• Documentation — Fumadocs-based docs site for architecture, ADRs, and development workflows

Packages

• @repo/core — Runtime-agnostic API client and types generated from OpenAPI specs
• @repo/cli — TypeScript CLI for API (API key auth; ideal for agentic integrations)
• @repo/react — React Query hooks for @repo/core API functions
• @repo/ui — Shared UI component library (Shadcn/ui, Tailwind)
• @repo/utils — Shared utilities (async, data, debug, error, logger, web3)
• @repo/error — Error reporting and utilities (captureError, getErrorMessage)
• @repo/email — Email template library built with React Email
• @repo/notif — Notification service (email, activity) with type-safe schemas

Scripts

Run with pnpm <script>.

Setup

• setup — Full setup (install, hooks, gitleaks, osv, database)
• setup:gitleaks, setup:osv — Install Gitleaks, OSV scanner
• setup:database — Database tools Primary
• build — Build packages and apps
• dev — Start dev (core, react, error, utils, api, web)
• qa — Full check: install → checktypes → lint → build → test (unit) → test:e2e (Fastify + Next, local spawn) Format / Lint
• checktypes — Type-check all packages
• format — Format code (Biome)
• lint — Lint with Biome + ESLint
• lint:biome, lint:biome:fix — Biome check, fix
• lint:eslint, lint:eslint:fix — ESLint check, fix
• lint:fix — Fix both linters Test
• test — Run unit tests (packages + apps)
• test:e2e — E2E (Fastify + Next) CI
• Lint and security run on every PR. App E2E (web-e2e, api-e2e) and package tests (packages-test) run only when relevant code changes. Mobile: EAS build, preview on main, PR OTA—see GitHub Actions and Mobile CI/CD. Security
• security:block-files — Block sensitive file patterns
• security:secrets — Scan staged files for secrets
• security:secrets:full — Full Gitleaks scan
• security:osv — OSV vulnerability scan
• security:audit — pnpm audit (high+)
• security:check — Run security check script Hooks
• hooks:pre-commit — Pre-commit: security + Biome staged
• hooks:security — Block files, scan secrets, OSV Misc
• update-deps — Update pnpm and all dependencies

Documentation

Full docs: basilic-docs.vercel.app

• Dev Environments — Local vs remote (ports 3000, 3001, 8081; start:localhost, start:tunnel)