In-depth architectural comparison of the Sql Query MCP and Supabase MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Sql Query MCP
Databases · Local stdio
Quality: 52/100 (Good) | Auth: other
Supabase MCP Server
Databases · Local stdio
Quality: 51/100 (Good) | Auth: API Key required
Verdict Summary: Choose Sql Query MCP if you need specialized Databases tools running via a local process. Choose Supabase MCP Server if your workspace requires Databases integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Sql Query MCP when:
You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: SQL_QUERY_MCP_CONFIG.
Primary tools included: PostgreSQL, MySQL, and Hive support, Schema, database, table, and sample discovery, Validated read-only SQL execution.
You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: SUPABASE_PROJECT_REF, SUPABASE_DB_PASSWORD, SUPABASE_REGION, SUPABASE_ACCESS_TOKEN, SUPABASE_SERVICE_ROLE_KEY, QUERY_API_KEY.
A general-purpose MCP server that lets AI work with multiple databases within clear boundaries. Supports PostgreSQL and MySQL today with schema discovery, sampling, read-only queries, and query-plan inspection.
Supabase MCP Server with support for SQL query execution and database exploration tools
Category & Scope
Tools & Capabilities Breakdown
Sql Query MCP Tools (6)
PostgreSQL, MySQL, and Hive support
Schema, database, table, and sample discovery
Validated read-only SQL execution
Asynchronous query status, pagination, and cancellation
Query-plan inspection
Controlled CSV/XLSX export and import
Supabase MCP Server Tools (6)
Read-only and read-write SQL modes
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Sql Query MCP is categorized under Databases and uses a local stdio subprocess. In contrast, Supabase MCP Server belongs to Databases using local stdio subprocess. Select Sql Query MCP when you need capabilities focused on databases and Supabase MCP Server when you require tools for databases.