CiteGuard vs Octagon Deep Research MCP

In-depth architectural comparison of the CiteGuard and Octagon Deep Research 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?

Choose CiteGuard 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: OPENALEX_API_KEY, CITEGUARD_MAILTO.
• Primary tools included: Check DOI and BibTeX references, Return retraction, correction, and concern statuses, Expose evidence links, dates, sources, and confidence notes.

Explore CiteGuard Details

Choose Octagon Deep Research MCP when:

• You need dedicated capabilities in the Research domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: OCTAGON_API_KEY.

Feature & Specification Comparison

Specification	CiteGuard Research	Octagon Deep Research MCP OctagonAI Research
Summary	Open watchdog for retracted & problematic citations: Retraction Watch, OpenAlex, Crossref.	Lightning-Fast, High-Accuracy Deep Research Agent
Category & Scope	Research	Research

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": {
    "citeguard-2": {
      "command": "uvx",
      "args": [
        "retractguard"
      ],
      "env": {
        "OPENALEX_API_KEY": "YOUR_OPENALEX_API_KEY_HERE",
        "CITEGUARD_MAILTO": "YOUR_CITEGUARD_MAILTO_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "octagonai-octagon-deep-research-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "octagon-deep-research-mcp"
      ],
      "env": {
        "OCTAGON_API_KEY": "YOUR_OCTAGON_API_KEY_HERE"
      }
    }
  }
}

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