MCP Comparison · 2026
Google MCP Toolbox vs Supabase MCP Server
Comparing Google MCP Toolbox and Supabase as MCP servers? Google MCP Toolbox (connect databases) is best when multi-database agent workflows. Supabase (full supabase management) is best when supabase project management. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Google MCP Toolbox | Supabase | |
|---|---|---|
| Primary function | Connect Databases | Full Supabase Management |
| Maintainer | Google (googleapis) | Supabase |
| Pricing | Open source | Free |
| Setup complexity | Medium · ~10 min | Low · ~5 min |
| Transport | stdio, Streamable HTTP | stdio, Streamable HTTP |
| Auth model | API key | OAuth 2.1 |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | TypeScript |
| Latest version | latest | latest |
| Compatible clients | Claude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Postgres, MySQL, BigQuery, Spanner, AlloyDB, Snowflake, ClickHouse, MongoDB, Redis | Claude, Cursor, Any MCP-compatible client, Supabase projects |
| Last verified | 2026-06-15 | 2026-05-28 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Google MCP Toolbox
- Multi-database agent workflows
- Declarative `tools.yaml` query control
- Google Cloud-native data (AlloyDB, BigQuery, Spanner, Firestore)
Choose Supabase
- Supabase project management
- Schema design and migrations
- RLS policy creation
Pick something else if…
- Single-database setups already served by a per-DB MCP
- Non-Supabase PostgreSQL databases
Feature breakdown
Key capabilities each server ships out of the box.
Google MCP Toolbox
- Published by `googleapis` GitHub org (15.6k stars, Apache-2.0)
- 18+ databases: Postgres, MySQL, SQL Server, Oracle, MongoDB, Redis, Elasticsearch, CockroachDB, ClickHouse, Couchbase, Neo4j, Snowflake, Trino, AlloyDB, BigQuery, Cloud SQL, Spanner, Firestore
- Declarative `tools.yaml` config
- Prebuilt tools: `list_tables`, `execute_sql`, schema exploration, semantic search
- IAM-integrated for Google Cloud sources
- Go binary, container, brew, or `npx @toolbox-sdk/server`
Supabase
- Full Supabase API access
- Database and schema management
- Auth and storage operations
- Edge Functions management
- RLS policy assistance
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Google MCP Toolbox vs Supabase: which MCP server should I use?
Pick Google MCP Toolbox when multi-database agent workflows. Pick Supabase when supabase project management. Google MCP Toolbox is built for connect databases, while Supabase focuses on full supabase management.
Can I run both Google MCP Toolbox and Supabase together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
Which is easier to set up, Google MCP Toolbox or Supabase?
Supabase has the lighter setup. Google MCP Toolbox reports medium complexity (~10 min); Supabase reports low complexity (~5 min).
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