Work / MongoDB MCP Server
MongoDB
MongoDB MCP Server
MongoDB over the Model Context Protocol, so an AI agent can query and reason about a real database instead of guessing at one.
3M+npm downloads since launch
1,100+GitHub stars
650K+Docker image pulls
300Knpm downloads a month
2Flavours: self-hosted and managed
Figures as of 2026-09-19.
WHAT IT IS
MCP is the protocol that lets an assistant call tools it did not ship with. The MongoDB MCP Server exposes a database over it: schema, queries, aggregation and cluster lifecycle, all as tools an agent can pick up.
It runs in two forms. Teams that want control host the open-source server themselves. Everyone else points at the remote endpoint MongoDB operates for them. Claude, Cursor and Copilot all speak to it, and through Atlas Local an agent can spin up its own cluster to work against.
WHAT I DID
Open-source server · hosted service
- Designed and built MCP configuration as the project's lead: the API and the UI a user configures MCP through. Every MCP integration builds on it.
- Built the Atlas Local integration underneath both the self-hosted and the hosted server, so an agent can create and connect to a local cluster entirely on its own rather than being handed one.
- Worked on hardening and load testing the hosted service.
TypeScriptRustJavaNode.jsMCP
WHERE IT SAT
Senior Software Engineer @ MongoDB
Jan 2024 — Present · Dublin, Ireland