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

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

How do I install MCPg or Supabase MCP Server 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 MCPg and Supabase MCP Server free or paid?

MCPg operates under a Free / Open Source model (other). Supabase MCP Server operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

MCPg lists 6 tools with 11 views and 10 GitHub stars. Supabase MCP Server lists 6 tools with 5 views and 832 GitHub stars.

Can I use both MCPg and Supabase MCP Server 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

MCPg vs Supabase MCP Server

In-depth architectural comparison of the MCPg 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

MCPg

Databases · Local stdio

Quality: 76/100 (Great) | Auth: other

Supabase MCP Server

Databases · Local stdio

Quality: 51/100 (Good) | Auth: API Key required

Verdict Summary: Choose MCPg 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 MCPg 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: MCPG_DATABASE_URL, MCPG_ACCESS_MODE.
Primary tools included: 254 PostgreSQL-focused MCP tools, AST-validated SQL with read-only defaults, Catalog introspection and structural diffs.

Explore MCPg Details

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.

Feature & Specification Comparison

Specification	MCPg devopam VerifiedDatabases	Supabase MCP Server alexanderzuev Databases
Summary
Category & Scope	Databases

Tools & Capabilities Breakdown

MCPg Tools (6)

254 PostgreSQL-focused MCP tools

AST-validated SQL with read-only defaults

Catalog introspection and structural diffs

Index tuning and query plan analysis

pgvector, TimescaleDB, PostGIS, and AGE support

stdio and HTTP/SSE transports

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).

MCPg Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "devopam-mcpg": {
      "command": "uvx",
      "args": [
        "mcpg"
      ],
      "env": {
        "MCPG_DATABASE_URL": "YOUR_MCPG_DATABASE_URL_HERE",
        "MCPG_ACCESS_MODE": "YOUR_MCPG_ACCESS_MODE_HERE"
      }
    }
  }
}

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"
      }
    }
  }
}

Frequently Asked Questions

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

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