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MongoDB MCP Server

MongoDB's official MCP server — natural-language queries, schema inspection, and Atlas management.

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About

mongodb-js/mongodb-mcp-server (1.1k stars, Apache-2.0) is MongoDB's official MCP server: query collections in natural language, inspect schemas and indexes, and manage Atlas clusters from your agent.

It's young but shipping fast — 78 releases in the last 12 months, pushed Oct 2026 — with docs at mongodb.com/docs/mcp-server. Database write access from an LLM deserves the usual caution: start read-only, scope the connection string's user, and keep backups current.

What it can do

  • Natural-language querying over MongoDB collections
  • Schema and index inspection tools for agents
  • Atlas cluster management operations
  • Apache-2.0, 78 releases in 12 months, official MongoDB maintenance
  • Documented at mongodb.com/docs/mcp-server

Setup

  1. Run the interactive setup: npx -y mongodb-mcp-server@latest setup — it walks you through the connection string or Atlas API credentials.
  2. Prefer environment variables (MDB_MCP_CONNECTION_STRING) over command-line args for secrets — the README warns CLI args leak into process lists.
  3. Add the server to your MCP client config.
  4. Keep the default --readOnly flag until you explicitly need writes.
  5. Docs: mongodb.com/docs/mcp-server.

Prerequisites

Node.js; a MongoDB Atlas cluster or self-hosted instance; a scoped DB user.

Use cases

mcpmcp-serversdataautomation

Works with

Claude CodeCursorAny agent (.md)

Trust score — 8/10

/10 trustVerified

Scored 7/10 (metrics tier). Official MongoDB project, Apache-2.0, genuinely fast release cadence (78/12mo) — but young at 1.1k stars with limited independent coverage. Standard database-tool caveat applies: an LLM with write access needs scoped credentials and read-only defaults.

★ 1,142 GitHub stars

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
6.0/10
Maintenance · recency, releases, issue load
9.1/10
Openness · license + docs
10.0/10
Manual review · sanity read + red-flag check
7.0/10
  • · 1,142 GitHub stars (log-scaled vs catalog peers)
  • · last push 0d ago; 78 releases/12mo; 26 open issues
  • · manual review: official MongoDB (1.1k stars), 78 releases/12mo; young; LLM DB write access needs scoped credentials, read-only defaults

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.