MongoDB · official

MongoDB

Query MongoDB and Atlas clusters in plain language.

MongoDB's official skill lets the assistant explore collections, run queries and aggregations, and inspect schemas — against a local MongoDB or an Atlas cluster. Connection string instead of API key; start with a read-only database user.

Install MongoDB

You need: an AI app that supports skills (pick yours above) · Node.js (LTS) — one-time install from nodejs.org. Check with `node -v` in a terminal. · An API key (MDB_MCP_CONNECTION_STRING) — free tier available, get it at https://www.mongodb.com/atlas

Open Settings → Developer → Edit Config in Claude Desktop (this opens claude_desktop_config.json) and merge this block, then fully restart the app:

{
  "mcpServers": {
    "mongodb": {
      "command": "npx",
      "args": [
        "-y",
        "mongodb-mcp-server"
      ],
      "env": {
        "MDB_MCP_CONNECTION_STRING": "YOUR_MDB_MCP_CONNECTION_STRING"
      }
    }
  }
}

Before saving, replace YOUR_MDB_MCP_CONNECTION_STRING with your key from MongoDB Atlas (connection string) (free tier).

Vendor
MongoDB
Category
Databases
API key
MDB_MCP_CONNECTION_STRING
Source
Open ↗

FAQ

What is the MongoDB skill?
MongoDB's official skill lets the assistant explore collections, run queries and aggregations, and inspect schemas — against a local MongoDB or an Atlas cluster. Connection string instead of API key; start with a read-only database user.
How do I install MongoDB in Claude Desktop?
Open Settings → Developer → Edit Config in Claude Desktop and add a mongodb entry under mcpServers (the install widget on this page generates the exact block). Fully restart the app afterwards. Local skills run on Node.js — install the LTS version from nodejs.org once.
Does MongoDB need an API key?
Yes — MDB_MCP_CONNECTION_STRING (free tier available, from https://www.mongodb.com/atlas). The install widget shows where to put it.
Which apps can use MongoDB?
MongoDB works with Claude Desktop, Claude Code, Cursor, VS Code — any app that supports the Model Context Protocol (MCP).
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