A Model Context Protocol server that provides access to MongoDB databases. This server enables LLMs to inspect collection schemas and execute read-only queries.

Features

Resources

• List and access collections via mongodb:// URIs
• Each collection has a name, description, and schema
• JSON mime type for schema access

Tools

• query

  • Execute read-only MongoDB queries against the connected database
  • Input: query (object): The MongoDB query to execute
  • All queries are executed with read-only permissions

• aggregate

  • Execute read-only MongoDB queries against the connected database
  • Input: aggregate (object): The MongoDB query to execute
  • All queries are executed with read-only permissions

Prompts

• query - Provide insights about the collection's structure, data types, and basic statistics
  • Input: collection (string): The name of the collection to analyze
  • Output: text (string): A summary of the collection's structure, data types, and basic statistics
• aggregate - Provide insights about the collection's structure, data types, and basic statistics
  • Input: collection (string): The name of the collection to analyze
  • Output: text (string): A summary of the collection's structure, data types, and basic statistics

Components

Resources

The server provides schema information for each collection in the database:

• Collection Schemas (mongodb://<host>/<collection>/schema)
  • JSON schema information for each collection
  • Includes field names and data types
  • Automatically inferred from collection documents