What is the key difference between Zotero Bridge and Supabase Mcp Server?

Zotero Bridge 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 Zotero Bridge 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 Zotero Bridge and Supabase Mcp Server free or paid?

Zotero Bridge operates under a Free / Open Source model (No auth required). Supabase Mcp Server operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Zotero Bridge lists 0 tools with 0 views and 10 GitHub stars. Supabase Mcp Server lists 6 tools with 5 views and 830 GitHub stars.

Can I use both Zotero Bridge 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.

How do I install Zotero Bridge or Supabase Mcp Server in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Zotero Bridge and Supabase Mcp Server free to use, or do they require API keys?

Zotero Bridge is listed under a Free / Open Source model with No auth required . Supabase Mcp Server operates under a Free / Open Source model with API Key required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Zotero Bridge and Supabase Mcp Server at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both zotero-bridge and alexanderzuev-supabase-mcp-server as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Zotero Bridge has a Quality Score of 41 /100 ( Fair ) with 0 views, 0 installs, and 10 GitHub stars. Supabase Mcp Server holds a Quality Score of 48 /100 ( Fair ) with 5 views, 0 installs, and 830 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Zotero Bridge vs Supabase Mcp Server

In-depth architectural comparison of the Zotero Bridge 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

Zotero Bridge

Databases · Local stdio

Quality: 41/100 (Fair) | Auth: No auth required

Supabase Mcp Server

Databases · Local stdio

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

Verdict Summary: Choose Zotero Bridge 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 Zotero Bridge 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 Zotero Bridge 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.
Primary tools included: Supports stdio protocol for MCP clients (Cursor, Windsurf, Cline), Three-tier SQL safety system: safe, write, destructive, Runtime SQL query validation with risk assessment.

Feature & Specification Comparison

Specification	Z Zotero Bridge Databases	Supabase Mcp Server alexanderzuev Databases
Summary	MCP Server for Zotero SQLite Database - collection, tagging, PDF reading and more.	Supabase MCP Server with support for SQL query execution and database exploration tools
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

Zotero Bridge Tools (0)

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

Supabase Mcp Server Tools (6)

Supports stdio protocol for MCP clients (Cursor, Windsurf, Cline)

Three-tier SQL safety system: safe, write, destructive

Runtime SQL query validation with risk assessment

Robust transaction handling for direct and pooled connections

Automatic schema change versioning

Supabase Management API and Auth Admin SDK integration

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).

Zotero Bridge Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "zotero-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "zotero-bridge"
      ]
    }
  }
}

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

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

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