mcp-os

A platform that provides hosted MCP servers for the world. Built with the vision to centralise the scattered world of MCP.

Features

• TypeScript - For type safety and improved developer experience

• Next.js - Full-stack React framework

• TailwindCSS - Utility-first CSS for rapid UI development

• shadcn/ui - Reusable UI components

• Hono - Lightweight, performant server framework

• tRPC - End-to-end type-safe APIs

• Node.js - Runtime environment

• Drizzle - TypeScript-first ORM

• SQLite/Turso - Database engine

• Authentication - Email & password authentication with Better Auth

• Turborepo - Optimized monorepo build system

• Biome - Linting and formatting

• pnpm - Package manager

Related MCP server: GitHub MCP Server

Getting Started

First, install the dependencies:

pnpm install

Database Setup

This project uses SQLite with Drizzle ORM.

1. Start the local SQLite database:

cd apps/server && pnpm db:local

2. Update your .env file in the apps/server directory with the appropriate connection details if needed.

3. Apply the schema to your database:

pnpm db:push

Then, run the development server:

pnpm dev

Open http://localhost:3001 in your browser to see the web application. The API is running at http://localhost:3000.

Project Structure

mcp-os/
├── apps/
│   ├── web/         # Frontend application (Next.js)
│   └── server/      # Backend API (Hono, TRPC)

Available Scripts

• pnpm dev: Start all applications in development mode

• pnpm build: Build all applications

• pnpm dev:web: Start only the web application

• pnpm dev:server: Start only the server

• pnpm check-types: Check TypeScript types across all apps

• pnpm db:push: Push schema changes to database

• pnpm db:studio: Open database studio UI

• cd apps/server && pnpm db:local: Start the local SQLite database

• pnpm check: Run Biome formatting and linting