For AI agents: a documentation index is available at https://www.mongodb.com/docs/llms.txt — markdown versions of all pages are available by appending .md to any URL path.
Docs Menu
Docs Home
/
Tools
/
MongoDB MCP Server
Docs Home
/
Tools
/
MongoDB MCP Server
Docs Home
/
Tools
/
MongoDB MCP Server

Release Notes

2.0.0

Released August 4, 2026

New features and updates:

  • Requires an explicit connection id for all database operations. The connect, atlas-connect-cluster, and atlas-local-connect-deployment tools return a connection id, and a pre-configured connection uses the preconfigured id.

  • Adds Customer-Managed Key (CMK) encryption support to the atlas-create-cluster tool.

  • Adds multi-region configuration support to the atlas-create-cluster tool.

  • Updates the aggregate tool schema description to guide models toward constructing correct aggregation pipelines.

Bug fixes:

  • Validates the resourceName and peeringId parameters in Stream Processing tools to block path traversal.

  • Requires the projectName and orgId parameters for the atlas-create-project tool.

  • Rejects unrecognized tool arguments with strict input validation.

  • Paginates output from the atlas-list-orgs and atlas-list-projects tools.

Full release notes available on GitHub.

1.14.0

Released July 14, 2026

New features and updates:

  • Redacts sensitive information from configuration resource output by default.

  • Adds a maxSessions option to control the number of sessions the MCP server creates.

  • Extends MQL validation to cover projections in the find, export, and explain tools.

  • Adds validation when creating a new database user.

Bug fixes:

  • Redacts sensitive information from MCP server log output by default.

  • Updates cluster listing output to include the project name inside the untrusted-data tag.

Full release notes available on GitHub.

1.13.0

Released June 16, 2026

New features and updates:

  • Disables server-side JavaScript functions ($where, $function, and $accumulator) by default to prevent unintended behavior. To re-enable it, set disableServerSideJs to false in the configuration settings.

  • Adds an atlas-load-sample-dataset tool to load sample datasets into an Atlas cluster.

  • Adds an atlas-pause-resume-cluster tool to pause and resume Atlas clusters.

Bug fixes:

  • Fixes an issue where renaming a collection with dropTarget: true was not blocked when destructive operations were disabled.

  • Fixes an issue where mongosh CLI options such as oidcTrustedEndpoint were not applied in the connect-tool path.

Full release notes available on GitHub.

1.12.0

Released June 4, 2026

New features and updates:

  • Adds an atlas-create-cluster tool to create M10–M80 replica set and single-shard Atlas clusters. The tool automatically selects a recommended instance size (M10 or M30) based on existing project clusters and returns immediately while the cluster provisions in the background.

Full release notes available on GitHub.

1.11.0

Released May 22, 2026

New features and updates:

  • Adds an atlas-upgrade-cluster tool to upgrade Atlas Free or Flex clusters to a higher tier.

  • When connecting to Atlas Free or Flex tier clusters, the MCP Server now automatically checks for active resource alerts and surfaces a recommendation to upgrade when relevant thresholds are exceeded.

  • Adds a database-level aggregation tool.

  • The setup command now includes an option to download MongoDB Agent Skills alongside the MCP Server configuration.

Bug fixes:

  • Fixes an issue where atlas-list-clusters returned an error instead of an empty result.

  • Fixes an issue where aggregations were blocked when getSearchIndexes failed.

  • Fixes an aggregate schema compatibility issue with OpenAI models.

  • Fixes an issue with search index checks where the MCP server would incorrectly infer that a MongoDB deployment doesn't have Atlas Search support.

Full release notes available on GitHub.

1.10.0

Released April 20, 2026

New features and updates:

  • Adds a maxTimeMS configuration option, allowing you to set a time limit for query execution.

  • Adds support for a configurable minimum log level.

Bug fixes:

  • Fixes an issue where the atlas-list-alerts missed open and active alerts.

  • Fixes an issue where the MCP Server API client did not fall back to browser-based fetch, which caused connectivity failures in certain environments.

Full release notes available on GitHub.

1.9.0

Released March 24, 2026

New features and updates:

  • Adds a setup utility to simplify installation and configuration of the MCP Server for popular AI clients. To use the utility, run npx mongodb-mcp-server@latest setup and follow the interactive setup steps. For more details, see MCP Server setup utility.

  • MCP Server is now compatible with Claude Code and Open Code.

  • Adds new Atlas Stream Processing tools: atlas-streams-discover, atlas-streams-build, atlas-streams-manage, and atlas-streams-teardown.

  • Moves vector search and lexical search index management tools from public preview. Those tools can now operate on lexical and vector search indexes when available.

  • Adds a service to collect and report metrics about tool usage.

  • Removes MCP automated embeddings feature.

  • Adds support for deploying the MCP Server to Amazon Bedrock AgentCore.

Full release notes available on GitHub.

1.8.1

Released March 13, 2026

Bug fixes:

  • Changes the behavior of the find tool to also return the total number of documents the query matched without the limit clause.

  • Fixes an issue where telemetry reported duplicate events.

Full release notes available on GitHub.

1.8.0 and Earlier

For full release notes from versions 1.8.0 and earlier, see the MongoDB MCP Server Releases on GitHub.

Back

Usage Examples

Next

Security, Governance, and Auditability

On this page