What is the key difference between Supabase MCP Server and Pgtuner MCP?

Supabase MCP Server belongs to the Databases category with local stdio execution, while Pgtuner MCP belongs to the Databases category with local stdio execution.

How do I install Supabase MCP Server or Pgtuner MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Supabase MCP Server and Pgtuner MCP free or paid?

Supabase MCP Server operates under a Free / Open Source model (API Key required). Pgtuner MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Supabase MCP Server lists 6 tools with 5 views and 832 GitHub stars. Pgtuner MCP lists 16 tools with 2 views and 30 GitHub stars.

Can I use both Supabase MCP Server and Pgtuner MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Supabase MCP Server vs Pgtuner MCP

In-depth architectural comparison of the Supabase MCP Server and Pgtuner MCP 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

Supabase MCP Server

Databases · Local stdio

Quality: 48/100 (Fair) | Auth: API Key required

Pgtuner MCP

Databases · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose Supabase MCP Server if you need specialized Databases tools running via a local process. Choose Pgtuner MCP 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 Supabase MCP Server when:

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.
Primary tools included: Read-only and read-write SQL modes, Runtime SQL risk assessment, Three-tier SQL safety controls.

Explore Supabase MCP Server Details

Choose Pgtuner MCP when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: .

Feature & Specification Comparison

Specification	Supabase MCP Server alexanderzuev Databases	Pgtuner MCP Databases
Summary	Supabase MCP Server with support for SQL query execution and database exploration tools	provides AI-powered PostgreSQL performance tuning capabilities.
Category & Scope	Databases	Databases

Tools & Capabilities Breakdown

Supabase MCP Server Tools (6)

Read-only and read-write SQL modes

Runtime SQL risk assessment

Three-tier SQL safety controls

Schema exploration and versioning

Supabase Management API access

Auth Admin SDK user management

Pgtuner MCP Tools (16)

get_slow_queries

Retrieve slow queries from pg_stat_statements with detailed stats (total time, mean time, calls, cache hit ratio). Excludes system catalog queries.

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).

Supabase MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "alexanderzuev-supabase-mcp-server": {
      "command": "uvx",
      "args": [
        "supabase-mcp-server"
      ],
      "env": {
        "SUPABASE_PROJECT_REF": "YOUR_SUPABASE_PROJECT_REF_HERE",
        "SUPABASE_DB_PASSWORD": "YOUR_SUPABASE_DB_PASSWORD_HERE",
        "SUPABASE_REGION": "YOUR_SUPABASE_REGION_HERE",
        "SUPABASE_ACCESS_TOKEN": "YOUR_SUPABASE_ACCESS_TOKEN_HERE",
        "SUPABASE_SERVICE_ROLE_KEY": "YOUR_SUPABASE_SERVICE_ROLE_KEY_HERE",
        "QUERY_API_KEY": "YOUR_QUERY_API_KEY_HERE"
      }
    }
  }
}

Pgtuner MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "pgtuner-mcp": {
      "command": "uvx",
      "args": [
        "pgtuner_mcp"
      ],
      "env": {
        "DATABASE_URI": "YOUR_DATABASE_URI_HERE",
        "PGTUNER_EXCLUDE_USERIDS": "YOUR_PGTUNER_EXCLUDE_USERIDS_HERE",
        "PGTUNER_STATEMENT_TIMEOUT_MS": "YOUR_PGTUNER_STATEMENT_TIMEOUT_MS_HERE",
        "PGTUNER_IDLE_TXN_TIMEOUT_MS": "YOUR_PGTUNER_IDLE_TXN_TIMEOUT_MS_HERE",
        "PGTUNER_LOCK_TIMEOUT_MS": "YOUR_PGTUNER_LOCK_TIMEOUT_MS_HERE",
        "PGTUNER_CORS_ALLOW_ORIGINS": "YOUR_PGTUNER_CORS_ALLOW_ORIGINS_HERE",
        "PGTUNER_LINT_DISABLED_RULES": "YOUR_PGTUNER_LINT_DISABLED_RULES_HERE"
      }
    }
  }
}

Frequently Asked Questions

Supabase MCP Server is categorized under Databases and uses a local stdio subprocess. In contrast, Pgtuner MCP belongs to Databases using local stdio subprocess. Select Supabase MCP Server when you need capabilities focused on databases and Pgtuner MCP when you require tools for databases.

More alternatives to Supabase MCP Server More alternatives to Pgtuner MCP Databases category hub