Codex Pets Registry vs Zotero MCP

In-depth architectural comparison of the Codex Pets Registry and Zotero 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.

Which MCP Server Should You Choose?

C

Choose Codex Pets Registry when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Codex Pets Registry Details

Choose Zotero MCP when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Zotero MCP Details

Feature & Specification Comparison

Specification	C Codex Pets Registry Knowledge & Memory	Zotero MCP Knowledge & Memory
Summary	Search, preview, install community Codex pet packs, and discover the pet request flow.	Search, read, annotate, and add to your Zotero research library, local or web.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "codex-pets-registry": {
      "command": "npx",
      "args": [
        "-y",
        "codex-pets-registry"
      ]
    }
  }
}

{
  "mcpServers": {
    "zotero-mcp": {
      "command": "uvx",
      "args": [
        "zotero-mcp-server"
      ]
    }
  }
}

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