MongoDB MCP Server

MIT License

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get_schema

Infer schema from a collection by analyzing sample documents.

Best Practice: Use this before querying to understand collection structure.

Example: use_mcp_tool with server_name: "mongodb", tool_name: "get_schema", arguments: { "collection": "users", "sampleSize": 100 }

Input Schema

Name	Required	Description
`collection`	Yes	Collection name
`database`	No	Database name (optional if default database is configured)
`sampleSize`	No	Number of documents to sample (default: 100)

Input Schema (JSON Schema)

{
  "properties": {
    "collection": {
      "description": "Collection name",
      "type": "string"
    },
    "database": {
      "description": "Database name (optional if default database is configured)",
      "type": "string"
    },
    "sampleSize": {
      "description": "Number of documents to sample (default: 100)",
      "maximum": 1000,
      "minimum": 1,
      "type": "number"
    }
  },
  "required": [
    "collection"
  ],
  "type": "object"
}

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get_schema

Input Schema

Input Schema (JSON Schema)

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