How do I install the AbdelStark/nostr-mcp MCP server?

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "nostr-mcp": { "command": "npx", "args": ["-y", "AbdelStark/nostr-mcp"] } }

AbdelStark/nostr-mcp

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☁️ - A Nostr MCP server that allows to interact with Nostr, enabling posting notes, and more.

Quick Install

One-Click IDE Configuration

claude_desktop_config.json

{
  "mcpServers": {
    "abdelstark-nostr-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "abdelstark-nostr-mcp"
      ]
    }
  }
}

Using an AI coding agent (Claude Code, Cursor, etc.)? Copy a ready-made prompt that tells it to fetch the setup instructions and install this server for you.

Documentation Overview

🌐 Nostr MCP Server

A Model Context Protocol (MCP) server that enables AI models to interact with Nostr, allowing them to post notes and interact with the freedom of speech protocol.

Censorship resistance matters, even for LLMs.

BTW, you should join Nostr now!

🚀 Features

📝 Post notes to Nostr network
🔌 Connect to multiple relays
🤖 MCP-compliant API for AI integration
💸 Send Lightning zaps to Nostr users (WIP)
📡 Server-Sent Events (SSE) support for real-time communication

👷‍♂️ TODOs

Add support for multiple simultaneous connections
Implement stdin transport mode (configurable via environment variable)

📋 Prerequisites

Node.js 18+

🛠️ Installation

Installing via Smithery

To install Nostr MCP Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @AbdelStark/nostr-mcp --client claude

Manual Installation

Clone the repository:

git clone https://github.com/AbdelStark/nostr-mcp
cd nostr-mcp

Install dependencies:

npm install

Create a .env file:

💡 You can copy the .env.example file and modify it as needed.

# Log level (debug, info, warn, error)
LOG_LEVEL=debug
# Node environment (development, production)
NODE_ENV=development
# List of Nostr relays to connect to
NOSTR_RELAYS=wss://relay.damus.io,wss://relay.primal.net,wss://nos.lol
# Your Nostr private key (starts with nsec)
NOSTR_NSEC_KEY=your_nsec_key_here
# Server mode (stdio or sse)
SERVER_MODE=sse
# Port for SSE mode
PORT=9000

🚦 Usage

Starting the Server

# Development mode with hot reload
npm run dev

# Production mode
npm start

Available Tools

`post_note`

Posts a new note to the Nostr network.

Example input:

{
  "content": "Hello from Nostr! 👋"
}

`send_zap`

Sends a Lightning zap to a Nostr user.

Example input:

{
  "nip05Address": "user@domain.com",
  "amount": 1000
}

🔧 Development

Project Structure

nostr-mcp/
├── src/
│   ├── index.ts        # Main server entry point
│   ├── nostr-client.ts # Nostr client implementation
│   └── types.ts        # TypeScript type definitions
├── .env               # Environment configuration
└── tsconfig.json     # TypeScript configuration

Running Tests

npm test

🤝 Contributing

Fork the repository
Create your feature branch (git checkout -b feature/amazing-feature)
Commit your changes (git commit -m 'Add some amazing feature')
Push to the branch (git push origin feature/amazing-feature)
Open a Pull Request

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

🔗 Resources

📬 Contact

Feel free to follow me if you'd like, using my public key:

npub1hr6v96g0phtxwys4x0tm3khawuuykz6s28uzwtj5j0zc7lunu99snw2e29

Or just scan this QR code to find me:

Nostr Public Key QR Code

Made with ❤️ for the Nostr community