Schema | MongoDB MCP Server

MongoDB MCP Server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`MONGODB_URI`	Yes	MongoDB connection string (e.g. mongodb://localhost:27017 or mongodb+srv://...)

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Features and capabilities supported by this server

Protocol revision2025-11-25

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
list_databasesA	List all databases on the connected MongoDB instance
list_collectionsA	List all collections in a given database
list_indexesB	List all indexes on a collection
run_aggregationC	Run an aggregation pipeline on a collection
run_aggregation_to_fileA	Run an aggregation pipeline on a collection and write results to a JSON file on disk. Returns only metadata (document count, file path, file size) instead of the actual documents, which avoids loading large result sets into the context window. Use CLI tools like jq, head, or the Read tool to selectively inspect the output file.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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