MCP Toolbox for Databases
Google's open-source MCP server for databases. One MCP binary speaks PostgreSQL, MySQL, BigQuery, Spanner, AlloyDB, Cloud SQL, and SQLite. 14,937 GitHub stars and 100 commits on main in the last 30 days. Highest commit cadence in the directory.
“Google's open-source MCP server for databases. One binary, seven database backends, configured via tools.yaml. 14,937 stars and 100 commits on main in the last 30 days. The highest commit cadence in the directory.”
INSTALL THIS SERVER
{
"mcpServers": {
"genai-toolbox": {
"command": "/usr/local/bin/toolbox",
"args": [
"--tools-file",
"/path/to/tools.yaml",
"serve",
"--stdio"
]
}
}
}
{
"mcpServers": {
"genai-toolbox": {
"command": "/usr/local/bin/toolbox",
"args": [
"--tools-file",
"/path/to/tools.yaml",
"serve",
"--stdio"
]
}
}
}
{
"mcpServers": {
"genai-toolbox": {
"command": "/usr/local/bin/toolbox",
"args": [
"--tools-file",
"/path/to/tools.yaml",
"serve",
"--stdio"
]
}
}
}
{
"mcpServers": {
"genai-toolbox": {
"command": "/usr/local/bin/toolbox",
"args": [
"--tools-file",
"/path/to/tools.yaml",
"serve",
"--stdio"
]
}
}
}
{
"mcpServers": {
"genai-toolbox": {
"command": "/usr/local/bin/toolbox",
"args": [
"--tools-file",
"/path/to/tools.yaml",
"serve",
"--stdio"
]
}
}
}
7 SELECTED TOOLS
OUR ASSESSMENT
googleapis/genai-toolbox ships a Go-based MCP server that abstracts seven database backends behind one MCP surface. Tool surface includes execute_sql, list_tables, describe_table, list_databases, get_schema, run_query, list_tools. Configured via tools.yaml where each source declares the database type and connection. Replaces single-database MCPs for teams running mixed Postgres/MySQL/BigQuery/Spanner stacks.
- 14,937 GitHub stars, top of the database category.
- 100 commits on main in the last 30 days. Highest cadence in the directory.
- One MCP binary speaks seven database backends.
- Apache-2.0 license, Google official maintenance.
- Go binary, no Python or Node runtime required.
- tools.yaml config reuses across teams; per-tool authorisation rules supported.
- Configuration via tools.yaml steeper than single-database MCPs that auto-detect from a single env var.
- Per-database tool surfaces vary; check the docs for the exact surface per backend before mounting in production.
- Go binary requires a release artefact path on disk, less portable than npx-installed MCP servers.
tools.yaml carries database credentials. Store outside the repo and inject via secret manager. Read-only tools (run_query, list_tables) should be the default surface; execute_sql carries write capability and should be gated to specific databases or roles.
Multi-database teams (Postgres + BigQuery, MySQL + Spanner) wanting one MCP server instead of seven; Google Cloud-heavy stacks adopting agentic database workflows; platform teams standardising on Apache-2.0 vendor-official tooling.
TECHNICAL DETAILS
RECORDED ADOPTION METRICS
Saved directory snapshots. Record last checked MAY 5, 2026. The review date above does not refresh these figures.
// Recorded note14,937 stars on googleapis/genai-toolbox. 100 commits on main in the last 30 days, the highest cadence in the directory.
// Recorded noteTop of the database category by star count and cadence. Pairs with single-vendor MCPs (Postgres, MongoDB, Redis, Neo4j) for teams that want both single-DB and multi-DB MCP surfaces available.
SOURCES & RECORDED CHECKS
These are the directory listings and check details held in this record. Client compatibility, directory listings and installation testing are separate signals. Recorded client names describe the scope of a check; they do not establish a security assessment or a recurring test schedule.
The same server, 5 different lenses. We reconcile these signals into our editorial score, which is why our number sometimes diverges from a directory-aggregate star count.
| Source | Their rating | Their star count | Their downloads | Last synced |
|---|---|---|---|---|
| AutomationSwitch This page | 4.7editorial | 14,937 | — | MAY 5, 2026 |
| PulseMCP | — unrated | unavailable | unavailable | MAY 5, 2026 |
| MCP.so | — unrated | unavailable | unavailable | MAY 5, 2026 |
| Glama | — unrated | unavailable | unavailable | MAY 5, 2026 |
| Smithery | — unrated | unavailable | unavailable | MAY 5, 2026 |
| Official MCP Registry | — unrated | unavailable | unavailable | MAY 5, 2026 |
// Counts are directory-reported; we don't adjust them. Discrepancies usually come from different snapshot times or star-caching.
OTHER DATABASE MCP SERVERS
Postgres MCP
Official MCP server for PostgreSQL. Provides read and write access to PostgreSQL databases with schema introspection, query execution, and transaction support. The reference implementation for database MCP servers.
Supabase
Persistence layer with full Postgres access and Row Level Security awareness. Query tables, manage schemas, handle auth users, and work with storage buckets.
ClickHouse MCP
Official ClickHouse MCP server with both ClickHouse Tools (production cluster queries) and chDB Tools (embedded ClickHouse for local analytics). Apache-2.0 with destructive-operation protection: write access is opt-in via configuration.
DBHub
Zero-dependency, token-efficient database MCP server for Postgres, MySQL, SQL Server, MariaDB, and SQLite. Maintained by Bytebase. 2,717 GitHub stars and 3 commits on main in the last 30 days.
Timescale Postgres AI Guide
Timescale official MCP server and Claude plugin for Postgres skills and documentation. Helps AI coding agents write better Postgres queries. 1,718 GitHub stars and 2 commits on main in the last 30 days.
Redis MCP
Official Redis MCP server with natural-language interface for managing and searching Redis data. EntraID authentication for Azure Managed Redis included; Redis ACL configurable via environment variables. Tool coverage spans strings, lists, hashes, sets, sorted sets, JSON, vectors, and search.
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