MongoDB

Name: MongoDB MCP Server
Author: MongoDB

Query MongoDB databases and manage Atlas clusters from your agent with read-only mode enabled by default.

Install config View on GitHub Vendor docs

mongodb-js/mongodb-mcp-server 2026-06-10

1,045 GitHub stars

258 Forks

2026-06-09 Updated

Apache-2.0 License

Install

Add MongoDB to your agent

Pick your host and paste the config snippet. Replace placeholder tokens and paths before connecting to production data.

1Config location

Global: ~/.cursor/mcp.json or project: .cursor/mcp.json

2Copy this snippet

{ "mcpServers": { "MongoDB": { "command": "npx", "args": ["-y", "mongodb-mcp-server@latest", "--readOnly"], "env": { "MDB_MCP_CONNECTION_STRING": "mongodb://localhost:27017/myDatabase" } } } }

Add this block under mcpServers, then restart Cursor.

1Config location

Terminal: one command per server

2Copy this snippet

claude mcp add MongoDB -e MDB_MCP_CONNECTION_STRING=mongodb://localhost:27017/myDatabase -- npx -y mongodb-mcp-server@latest --readOnly

Run claude mcp list to verify the server is registered.

1Config location

User config: ~/.codex/config.toml

2Copy this snippet

[mcp_servers.MongoDB] command = "npx" args = ["-y", "mongodb-mcp-server@latest", "--readOnly"] [mcp_servers.MongoDB.env] MDB_MCP_CONNECTION_STRING = "mongodb://localhost:27017/myDatabase"

Codex CLI reads MCP servers from config.toml on the next run.