Zotero Library MCP vs Zotero MCP Local

In-depth architectural comparison of the Zotero Library MCP and Zotero MCP Local 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?

Choose Zotero Library MCP when:

• You need dedicated capabilities in the Research domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: ZOTERO_LIBRARY_ID, ZOTERO_API_KEY.
• Primary tools included: list_libraries.

Explore Zotero Library MCP Details

Choose Zotero MCP Local when:

• You need dedicated capabilities in the Research domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: ZOTERO_DB_PATH.
• Primary tools included: Local Zotero SQLite database access, Library search, PDF reading.

Feature & Specification Comparison

Specification	Zotero Library MCP Research	Zotero MCP Local Research
Summary	Add papers and books to Zotero by DOI, arXiv ID, or ISBN and manage your library	Search, read PDFs, and find related papers in your local Zotero library. Read-only, 100% local.
Category & Scope	Research	Research
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": {
    "zotero-library-mcp": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/RaulSimpetru/zotero-library-mcp",
        "zotero-mcp"
      ],
      "env": {
        "ZOTERO_LIBRARY_ID": "YOUR_ZOTERO_LIBRARY_ID_HERE",
        "ZOTERO_API_KEY": "YOUR_ZOTERO_API_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "zotero-mcp-local": {
      "command": "npx",
      "args": [
        "-y",
        "zotero-mcp-local"
      ],
      "env": {
        "ZOTERO_DB_PATH": "YOUR_ZOTERO_DB_PATH_HERE"
      }
    }
  }
}

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