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Scientific research · MCP server

Zotero MCP (54yyyu): MCP server, setup and security

Zotero MCP (54yyyu) is an open-source MCP server that lets an AI agent search, read, annotate, and add items to your Zotero library. Its repository has 5,549 stars and its last commit is from October 16, 2026 and it is licensed under MIT.

Score
82/100
Adoption (stars) 37/40
Maintenance 30/30
Framework (licence, registry, official) 15/30
Actively maintainedNeeds secretsTop 10% by stars

What Zotero MCP (54yyyu) does

According to its repository: “Search, read, annotate, and add to your Zotero research library, local or web.”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. Zotero MCP (54yyyu) is listed under Scientific research, a category of 35 servers in the directory, where it ranks #1 by stars.

Topics declared by the repository: claude, zotero, semantic-search, ai-agent, chatgpt, claude-code.

Installing and connecting Zotero MCP (54yyyu)

Distribution modes declared in the official MCP registry:

  • PyPI package (Python, started with uvx or pip)

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools. Project language: Python.

The registry lists one secret variable to provide (API key, access token). Keep them in the client's environment variables, never in a shared file or a repository.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

Points found for Zotero MCP (54yyyu):

  • Secrets: the server acts with your credentials. Create a dedicated key with minimum rights and an expiry date.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on March 22, 2025, the 54yyyu/zotero-mcp repository has 5,549 stars and 446 forks, with 45 open issues. It has more stars than 97% of the servers in the directory. It received changes this month. Version published in the registry: 0.15.1 (October 16, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

Zotero MCP (54yyyu)Zotero MCP (54yyyu) : 5.5K5.5KToolUniverseToolUniverse : 1.8K1.8KIdea reality MCPIdea reality MCP : 828828Research toolkitResearch toolkit : 299299TinySearchTinySearch : 233233Deep research MCPDeep research MCP : 115115Paper preflightPaper preflight : 100100OmniSeekOmniSeek : 9595
GitHub stars of the most followed servers in the category (log scale); Zotero MCP (54yyyu) in orange. Checked October 25, 2026.

Verdict

Zotero MCP (54yyyu) is one of the most solid servers in its category: followed, maintained and well framed.

Strengths

  • Active project: recent commit
  • Widely followed: 5.5K stars
  • Listed in the official MCP registry
  • Permissive licence (MIT)

Limitations

  • Requires an API key or token

Avoid if…

  • You do not want to give credentials to an agent

Frequently asked questions

How do I install Zotero MCP (54yyyu)?

Zotero MCP (54yyyu) is distributed as PyPI package (Python, started with uvx or pip). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of 54yyyu/zotero-mcp.

Is Zotero MCP (54yyyu) free?

The code is published under the MIT licence and can be used free of charge. It needs an API key: the service it connects to may be paid.

Is Zotero MCP (54yyyu) safe?

Points to watch: secrets. Give it minimum rights and approve sensitive actions.

Is it an official server?

Nothing says so: it is a project published by 54yyyu on GitHub. Check who maintains it before giving it access.

What are the alternatives to Zotero MCP (54yyyu)?

In the same category: ToolUniverse, Idea reality MCP, Research toolkit, and Paper preflight.

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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score