dandi-query-server MCP Server

Enables complex queries over data on the DANDI Archive

This is a TypeScript-based MCP server that implements a simple notes system. 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

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

Related MCP server: MCP Index Notes

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": {
    "dandi-query-server": {
      "command": "/path/to/dandi-query-server/build/index.js"
    }
  }
}

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.