What is the key difference between R3 and Supabase?

R3 belongs to the Databases category with local stdio execution, while Supabase belongs to the Databases category with cloud HTTP/SSE execution.

How do I install R3 or Supabase 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 R3 and Supabase free or paid?

R3 operates under a Free / Open Source model (No auth required). Supabase operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

R3 lists 0 tools with 0 views and 0 GitHub stars. Supabase lists 0 tools with 1 views and 2,926 GitHub stars.

Can I use both R3 and Supabase 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

R3 vs Supabase

In-depth architectural comparison of the R3 and Supabase 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

Databases · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Supabase

Databases · Remote HTTP/SSE

Quality: 45/100 (Fair) | Auth: No auth required

Verdict Summary: Choose R3 if you need specialized Databases tools running via a local process. Choose Supabase if your workspace requires Databases integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose R3 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).

Explore R3 Details

Choose Supabase when:

You need dedicated capabilities in the Databases domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Supabase Details

Feature & Specification Comparison

Specification	R R3 Databases	Supabase Databases
Summary	Local Redis memory MCP for AI apps with hybrid caching and optional Mem0 cloud backup.	MCP server for interacting with the Supabase platform
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

R3 Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Supabase Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

R3 Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "r3-2": {
      "command": "npx",
      "args": [
        "-y",
        "r3-2"
      ]
    }
  }
}

Supabase Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "supabase": {
      "url": "https://supabase.com/mcp#available-tools"
    }
  }
}

Frequently Asked Questions

R3 is categorized under Databases and uses a local stdio subprocess. In contrast, Supabase belongs to Databases using remote streaming HTTP/SSE transport. Select R3 when you need capabilities focused on databases and Supabase when you require tools for databases.

More alternatives to R3 More alternatives to Supabase Databases category hub