Which integrations are available for this server?

Enables interaction with [Google Cloud](/mcp/servers/integrations/google-cloud) Datastore, providing tools for listing entity kinds, retrieving specific entities by key, querying and filtering entities with pagination, and counting entities with optional filters.

MCP Datastore Server

An MCP (Model Context Protocol) server for Google Cloud Datastore that provides simple query capabilities.

Features

List Kinds: Get all available entity kinds (tables) in your Datastore
Get Entity: Retrieve a specific entity by key
Query Entities: Basic querying with pagination
Filter Entities: Simple equality filtering on any field (including key fields)
Count Entities: Count entities in a kind with optional filtering

Related MCP server: Cloud DLP API MCP Server

Setup

Install dependencies:

npm install

Set up authentication:
- Set GOOGLE_CLOUD_PROJECT environment variable
- Set GOOGLE_APPLICATION_CREDENTIALS to point to your service account key file
- Or use Application Default Credentials (ADC)
Build the project:

npm run build

Run the server:

npm start

Available Tools

`datastore_list_kinds`

Lists all available entity kinds in the Datastore.

`datastore_get`

Gets an entity by its key.

kind: Entity kind
key: Entity key (name or ID)
parent: Parent key (optional)

`datastore_query`

Queries entities with optional pagination.

kind: Entity kind to query
limit: Maximum results (default: 100)
offset: Results to skip (default: 0)

`datastore_filter`

Filters entities by field equality.

kind: Entity kind to query
field: Field name to filter on (including __key__ or key)
value: Value to match exactly
limit: Maximum results (default: 100)

`datastore_count`

Counts entities in a kind with optional filtering.

kind: Entity kind to count
field: Field name to filter on (optional)
value: Value to match exactly (required if field is provided)

Examples

// List kinds {"name": "datastore_list_kinds", "arguments": {}} // Get entity {"name": "datastore_get", "arguments": {"kind": "User", "key": "12345"}} // Query with pagination {"name": "datastore_query", "arguments": {"kind": "User", "limit": 10}} // Filter by field {"name": "datastore_filter", "arguments": {"kind": "User", "field": "status", "value": "active"}} // Filter by key {"name": "datastore_filter", "arguments": {"kind": "User", "field": "__key__", "value": "12345"}} // Count all entities {"name": "datastore_count", "arguments": {"kind": "User"}} // Count with filter {"name": "datastore_count", "arguments": {"kind": "User", "field": "status", "value": "active"}}