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MongoDB MCP Server

by jonfreeland

A Model Context Protocol (MCP) server providing read-only access to MongoDB databases. It allows AI assistants to query and analyze MongoDB data safely through standardized MCP tools.

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What is MongoDB MCP Server?

This is a MongoDB MCP server that enables AI assistants to directly query and analyze MongoDB databases without write access, ensuring data safety while providing powerful data exploration capabilities through the Model Context Protocol.

How to use MongoDB MCP Server?

To use this server, you need to build it from source using npm, configure environment variables (MONGODB_URI and optionally MONGODB_DEFAULT_DATABASE), and integrate it with platforms like Claude Desktop, Claude Web (via MCP Chrome extension), or Claude Code by adding the server configuration with the appropriate command, arguments, and environment variables. Refer to the README for specific integration instructions.

Key features of MongoDB MCP Server

  • Database Exploration

  • Schema Discovery

  • Querying

  • Aggregation (Read-Only)

  • Text Search

  • Geospatial Queries

  • Document Operations

  • Data Analysis

  • Performance Insights

  • Data Exploration

  • Format Conversion (JSON, CSV)

  • Schema Inference

  • Visualization Hints

  • Safety Validation

Use cases of MongoDB MCP Server

  • Allowing AI assistants to analyze MongoDB data without risking data modification.

  • Providing a standardized interface for querying MongoDB databases from various AI platforms.

  • Enabling data exploration and analysis for users who need read-only access to MongoDB data.

  • Integrating MongoDB data into AI-powered applications and workflows.

FAQ from MongoDB MCP Server

What is MONGODB_URI?

MONGODB_URI is a required environment variable that specifies the MongoDB connection string, including authentication details if needed.

What is MONGODB_DEFAULT_DATABASE?

MONGODB_DEFAULT_DATABASE is an optional environment variable that sets the default database name to use when not explicitly specified in queries.

How do I integrate this server with Claude Desktop?

Add the server configuration to ~/Library/Application Support/Claude/claude_desktop_config.json (MacOS) or %APPDATA%/Claude/claude_desktop_config.json (Windows), specifying the command and environment variables.

How do I debug this server?

Use the MCP Inspector by running npm run inspector. This will provide a URL to access debugging tools in your browser.

What security considerations should I keep in mind?

Ensure you are using a MongoDB user with read-only permissions and store the connection string securely in environment variables, as it may contain sensitive authentication information.