Databases - official Google Cloud server
Spanner remote MCP server
Google-hosted remote MCP server that lets agents manage Spanner instances and databases, read schemas, and execute SQL inside sessions and transactions. Google Cloud hosts it at https://spanner.googleapis.com/mcp with OAuth auth.
Last verified 15 tools3 sources
Install
Google Cloud publishes no copyable client config for this server. Point your MCP client at https://spanner.googleapis.com/mcp. Setup steps are in the vendor's docs.
Tools
get_instance- Get information about a Spanner instance
list_instances- List Spanner instances in a given project.
list_configs- List instance configs in a given project.
get_config- Get information about a specific Spanner instance configuration.
create_instance- Create a Spanner instance in a given project.
update_instance- Update a Spanner instance.
create_database- Create a Spanner database in a given instance.
get_database_ddl- Get database schema for a given database.
list_databases- List Spanner databases in a given spanner instance.
create_session- Create a session in a given database for query executions using execute_sql tool.
execute_sql- Execute SQL statement using a given session.
execute_sql_readonly- Execute SQL query statement using a given session in a read-only transaction.
commit- Commit a transaction in a given session.
update_database_schema- Update schema for a given database.
get_operation- Get status of a long-running operation.
As documented on October 17, 2026. A running server reports its current list through tools/list.
Notes and caveats
- Spanner also documents the separate Database Insights remote server for performance metrics.
More MCP servers for databases
- Google CloudStatus: GA
AlloyDB for PostgreSQL remote MCP server
Google-hosted remote MCP server that lets agents create and manage AlloyDB clusters, instances, users and backups, run SQL, and import or export data via Cloud Storage.
Transport: Streamable HTTPAuth: OAuth - Google CloudStatus: GA
BigQuery remote MCP server
Google-hosted remote MCP server that lets agents list BigQuery datasets and tables, inspect schemas, and run SQL queries and jobs in a Google Cloud project.
Transport: Streamable HTTPAuth: OAuth - Google Cloud
Cloud Run MCP server
Open source MCP server and Gemini CLI extension from Google Cloud that lets agents deploy code and local folders to Cloud Run and inspect services and logs.
Transport: stdio, Streamable HTTPAuth: Other - Google CloudStatus: GA
Cloud Run remote MCP server
Google-hosted remote MCP server for Cloud Run that lets agents list and inspect services and deploy from a container image, a source archive, or inline source files.
Transport: Streamable HTTPAuth: OAuth - Google CloudStatus: GA
Cloud SQL remote MCP server
Google-hosted remote MCP server for Cloud SQL (MySQL, PostgreSQL, SQL Server) that lets agents manage instances, users and backups and execute SQL.
Transport: Streamable HTTPAuth: OAuth - Google CloudStatus: GA
Firestore remote MCP server
Google-hosted remote MCP server that lets agents read and write Firestore documents and manage databases, indexes, backups and backup schedules.
Transport: Streamable HTTPAuth: OAuth
Related reading
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- MCP vs A2A vs Function Calling: Which Layer Does What in 2026MCP vs A2A vs function calling compared on the 2026-07-28 MCP spec and A2A 1.0: what each protocol does, where they overlap, and how to stack them.
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FAQ
What does the Spanner remote MCP server do?
Google-hosted remote MCP server that lets agents manage Spanner instances and databases, read schemas, and execute SQL inside sessions and transactions. The vendor documents 15 tools, including get_instance, list_instances, list_configs and get_config.
How do I install the Spanner remote MCP server?
Google Cloud publishes no copyable client config. Point your MCP client at https://spanner.googleapis.com/mcp. Setup steps are at https://docs.cloud.google.com/spanner/docs/use-spanner-mcp.
Does the Spanner remote MCP server need authentication?
Yes, OAuth. Transport: Streamable HTTP. Status: GA, last checked October 17, 2026.
Sources
Last verified against 3 Google Cloud pages, then re-checked independently.
- docs.cloud.google.comhttps://docs.cloud.google.com/mcp/supported-products
- docs.cloud.google.comhttps://docs.cloud.google.com/spanner/docs/reference/mcp
- docs.cloud.google.comhttps://docs.cloud.google.com/spanner/docs/reference/mcp/spanner/mcp
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