MongoDB Atlas

Platform

Managed MongoDB on AWS, Azure and Google Cloud with built-in search

Price: Free tier, then paid
Access: Connection string (database user)

About

MongoDB's own managed document database service, running on AWS, Azure and Google Cloud. Adds full-text and vector search, stream processing and online archive on the same cluster. The free M0 cluster has 512 MB of storage and limited regions.

What you can do with it

Store JSON-like documents in a replicated MongoDB cluster
Run vector search next to your operational data for RAG and semantic search
Add full-text search to collections without a separate search engine

Get started

Install the Atlas CLI
Run atlas setup to create a free cluster and a database user
Connect with mongosh or an official driver

Example

brew install mongodb-atlas-cli
# Logs in, creates a free M0 cluster, loads sample data and connects with mongosh
atlas setup

Details

Hosting: Hosted service
Available in: Worldwide
Official SDKs: Python, JavaScript/TypeScript, Go, Java, Kotlin, C#, PHP, Ruby, Rust
MCP server: Remote
Works with: MongoDB