Koskamo

Zoteus MCP

An open-source MCP server that enables AI agents like Claude and ChatGPT to search, cite, and write back to a Zotero library. It supports keyword and semantic search, retrieves PDF passages with page references, formats citations in CSL styles, and allows adding or editing items via DOI or metadata.

Visit Zoteus

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Zoteus MCP logo, by ZoteusCommunity listingLocal stdioSource reviewed; not executedPublished by Zoteus
You need:Keep Zotero running and enable its local APIYou need access to custom connectors in your AI accountChatGPT only connects to remote HTTPS servers and needs Developer mode on a paid ChatGPT planAdd a Zotero API key for sync, group libraries, and writes when the app is closed
Vendor documentation

What you can do with it

  • Search Zotero library by keyword or semantic meaning
  • Retrieve PDF passages with page numbers and context
  • Format citations in any CSL style from library references
  • Add items by DOI or arXiv ID and edit metadata

Source and maintenance

Community listingRegistry 1.23.0
mcp-registry: io.github.oscardvs/zoteus@1.23.0Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@oscardvs/zoteus 1.23.0

npm
@oscardvs/zoteus package definition
{
  "version": "1.23.0",
  "transport": "stdio",
  "identifier": "@oscardvs/zoteus",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "ZOTERO_API_KEY",
      "description": "Zotero API key (writes/sync/groups; optional for local-only reads)."
    },
    {
      "name": "ZOTEUS_LOCAL",
      "description": "Use the Zotero desktop local API: auto | on | off."
    },
    {
      "name": "ZOTEUS_ALLOW_DELETE",
      "description": "Set to true to enable permanent deletion (off by default)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "zoteus-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@oscardvs/zoteus@1.23.0"
      ],
      "env": {
        "ZOTERO_API_KEY": "<YOUR_ZOTERO_API_KEY>",
        "ZOTEUS_LOCAL": "<YOUR_ZOTEUS_LOCAL>",
        "ZOTEUS_ALLOW_DELETE": "<YOUR_ZOTEUS_ALLOW_DELETE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "zoteus-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@oscardvs/zoteus@1.23.0"
      ],
      "env": {
        "ZOTERO_API_KEY": "<YOUR_ZOTERO_API_KEY>",
        "ZOTEUS_LOCAL": "<YOUR_ZOTEUS_LOCAL>",
        "ZOTEUS_ALLOW_DELETE": "<YOUR_ZOTEUS_ALLOW_DELETE>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "zoteus-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@oscardvs/zoteus@1.23.0"
      ],
      "env": {
        "ZOTERO_API_KEY": "<YOUR_ZOTERO_API_KEY>",
        "ZOTEUS_LOCAL": "<YOUR_ZOTEUS_LOCAL>",
        "ZOTEUS_ALLOW_DELETE": "<YOUR_ZOTEUS_ALLOW_DELETE>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "zoteus-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@oscardvs/zoteus@1.23.0"
      ],
      "env": {
        "ZOTERO_API_KEY": "<YOUR_ZOTERO_API_KEY>",
        "ZOTEUS_LOCAL": "<YOUR_ZOTEUS_LOCAL>",
        "ZOTEUS_ALLOW_DELETE": "<YOUR_ZOTEUS_ALLOW_DELETE>"
      }
    }
  }
}

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