MCP Client Example

This is an example MCP client that connects to MCP server with Bearer token authentication.

Prerequisites

• Node.js 22 or later
• npm or yarn

Setup

1. Install dependencies:

npm install

2. Create a .env file in the project root and add your Bearer token:

BEARER_TOKEN=your_token_here
MCP_SERVER_URL=your_server_url_here

Building and Running

1. Build the TypeScript code:

npm run build

2. Run the client:

npm start

Features

The example client demonstrates:

• Connecting to the MCP server with Bearer token authentication
• Listing available tools

Error Handling

The client includes basic error handling and will:

• Validate the presence of the Bearer token
• Handle connection errors
• Properly close the connection when done

Development

To modify the example:

1. Edit the code in src/index.ts
2. Rebuild with npm run build
3. Run with npm start