open-neuro-mcp-server

QuentinCody/open-neuro-mcp-server

3.2

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This project provides a framework for deploying a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication.

OpenNeuro MCP Server

An MCP (Model Context Protocol) server that provides GraphQL query access to the OpenNeuro neuroimaging dataset API. OpenNeuro is a free and open platform for sharing MRI, MEG, EEG, iEEG, and ECoG data.

License and Citation

This project is available under the MIT License with an Academic Citation Requirement. This means you can freely use, modify, and distribute the code, but any academic or scientific publication that uses this software must provide appropriate attribution.

For academic/research use:

If you use this software in a research project that leads to a publication, presentation, or report, you must cite this work according to the format provided in .

For commercial/non-academic use:

Commercial and non-academic use follows the standard MIT License terms without the citation requirement.

By using this software, you agree to these terms. See for the complete license text.

Features

  • GraphQL Query Tool: Execute GraphQL queries against the OpenNeuro API
  • Schema Introspection: Discover available fields and operations
  • Dataset Access: Query neuroimaging datasets, snapshots, and file listings
  • No Authentication Required: Access public OpenNeuro data without API keys

Installation & Development

  1. Clone this repository:
git clone https://github.com/quentincody/open-neuro-mcp-server.git
cd open-neuro-mcp-server
  1. Install dependencies:
npm install
  1. Start the development server:
npm run dev

The server will be available at http://localhost:8787/sse

Deployment

Deploy to Cloudflare Workers:

npm run deploy

Your MCP server will be deployed to: open-neuro-mcp-server.quentincody.workers.dev/sse

Usage

Connect to Claude Desktop

To connect this MCP server to Claude Desktop, follow Anthropic's Quickstart and edit your Claude Desktop configuration.

In Claude Desktop, go to Settings > Developer > Edit Config and add:

{
  "mcpServers": {
    "openneuro": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://open-neuro-mcp-server.quentincody.workers.dev/sse"
      ]
    }
  }
}

For local development, use:

{
  "mcpServers": {
    "openneuro": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "http://localhost:8787/sse"
      ]
    }
  }
}

Restart Claude Desktop and the OpenNeuro tools will become available.

Example Queries

The server provides an openneuro_graphql_query tool. Here are some example GraphQL queries:

Get dataset information:

{
  dataset(id: "ds000224") {
    id
    name
    description
    created
  }
}

List files in a snapshot:

{
  snapshot(datasetId: "ds000001", tag: "1.0.0") {
    files {
      filename
      size
    }
  }
}

Schema introspection:

{
  __schema {
    queryType {
      name
      fields {
        name
        description
      }
    }
  }
}