MCP Toolbox for Databases (Google)
DATABASES · https://github.com/googleapis/mcp-toolbox
Exact configuration: toolbox --prebuilt postgres --stdio with env POSTGRES_HOST, POSTGRES_PORT, POSTGRES_DATABASE, POSTGRES_USER, POSTGRES_PASSWORD
No linux/arm64 build is published; Google's official linux/x64 binary runs in its own amd64 image under Rosetta.
Advertised tools (29): database_overview execute_sql get_column_cardinality get_query_plan list_active_queries list_autovacuum_configurations list_available_extensions list_database_stats list_indexes list_installed_extensions list_invalid_indexes list_locks list_memory_configurations list_pg_settings list_publication_tables list_query_stats list_replication_slots list_roles list_schemas list_sequences list_stored_procedure list_table_stats list_tables list_tablespaces list_top_bloated_tables list_triggers list_views long_running_transactions replication_stats
Each cell lists every attempt: ✓ pass, ✗ fail, other codes are timeouts or excluded attempts (hover for the reason). Click any attempt for its full, redacted transcript (JSON lines).
| task | Claude Code · Sonnet 5.5 | Codex CLI · GPT-5.6 Terra |
|---|---|---|
| db-list-tables core | ✓✓ | ✓✓ |
| db-describe core | ✓✓ | ✓✓ |
| db-count core | ✓✓ | ✓✓ |
| db-filter core | ✓✓ | ✓✓ |
| db-aggregate core | ✓✓ | ✓✓ |
| db-top core | ✓✓ | ✓✓ |
| db-join core | ✓✓ | ✓✓ |
| db-nulls core | ✓✓ | ✓✓ |
| db-three-way core | ✓✓ | ✓✓ |
| db-group-top core | ✓✓ | ✓✓ |
| db-date-range core | ✓✓ | ✓✓ |
| db-distinct core | ✓✓ | ✓RARA✓ |
| db-reconcile core | ✓✓ | ✓✓ |
| db-discover core | ✓✓ | ✓✓ |
| db-missing-table core | ✓✓ | ✓✓ |
| db-unicode core | ✓✓ | ✓✓ |
| db-large-result core | ✓✓ | ✓✓ |
| db-write extended | ✓✓ | ✓✓ |