Supabase Next.js Server

A simple notes system for Next.js applications using Supabase as the backend.

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supabase-nextjs-server MCP Server

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A Model Context Protocol server

This is a TypeScript-based MCP server that implements a simple notes system for NextJS. It demonstrates core MCP concepts by providing:

  • Resources representing text notes with URIs and metadata
  • Tools for creating new notes
  • Prompts for generating summaries of notes

Features

Init

  • Require NEXT_PUBLIC_SUPABASE_URL and NEXT_PUBLIC_SUPABASE_ANON_KEY environment variables

Resources

  • List and access notes via note:// URIs
  • Each note has a title, content and metadata
  • Plain text mime type for simple content access

Tools

  • create_note - Create new text notes
    • Takes title and content as required parameters
    • Stores note in server state

Prompts

  • summarize_notes - Generate a summary of all stored notes
    • Includes all note contents as embedded resources
    • Returns structured prompt for LLM summarization

Development

Install dependencies:

npm install

Build the server:

npm run build

For development with auto-rebuild:

npm run watch

Installation

To use with Claude Desktop, add the server config:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json On Windows: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "supabase-nextjs-server": {
      "command": "/path/to/supabase-nextjs-server/build/index.js"
    }
  }
}

Installing via Smithery

To install Supabase Notes for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @tengfone/supabase-nextjs-mcp-server --client claude

Debugging

Since MCP servers communicate over stdio, debugging can be challenging. We recommend using the MCP Inspector, which is available as a package script:

npm run inspector

The Inspector will provide a URL to access debugging tools in your browser.

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