MongoDB MCP server

This is a small helper that connects your AI assistant to a MongoDB database. MongoDB is a place where apps store data in collections, a bit like folders full of records. If you work with data stored in MongoDB and want to ask questions about it in plain language, this is for you.

What this MCP server does

You tell your AI what you want to know or change in your MongoDB database. The AI uses this helper to talk to MongoDB on your behalf. The helper looks at your collections, figures out what fields the documents have, and runs the query or change you asked for. Then it sends the result back to your AI, which explains it to you in the chat. You can also turn on a read-only mode so nothing can be changed by accident.

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What you can do with it

• List the collections in your database
• Show what fields and types your documents have
• Run queries to find specific records
• Run aggregation pipelines to group and summarize data
• Insert new documents when write mode is on
• Update existing documents when write mode is on
• Create indexes to speed up lookups
• Convert timestamps into readable dates

Try asking your AI

• “What collections do I have in this database?”
• “Show me the shape of the orders collection, what fields does it have?”
• “Find the 10 most recent users who signed up this month.”
• “Group my sales by country and show the total for each.”

What it gives back to you

You get answers in the chat: lists of collections, summaries of what fields exist, and the actual records or numbers your query found. If you asked for a change, it tells you what it did. Long queries can show progress and can be stopped if you change your mind.

Before you start

Who it's for

Anyone who keeps data in MongoDB and wants to explore or update it by asking their AI in plain language, without writing queries by hand.