What is the key difference between Keryx and ResearchZosho?

Keryx belongs to the Research category with cloud HTTP/SSE execution, while ResearchZosho belongs to the Research category with local stdio execution.

How do I install Keryx or ResearchZosho in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Keryx and ResearchZosho free or paid?

Keryx operates under a Free / Open Source model (No auth required). ResearchZosho operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Keryx lists 6 tools with 0 views and 3 GitHub stars. ResearchZosho lists 6 tools with 0 views and 0 GitHub stars.

Can I use both Keryx and ResearchZosho together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Keryx vs ResearchZosho

In-depth architectural comparison of the Keryx and ResearchZosho 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.

At a Glance & Executive Verdict

Keryx

Research · Remote HTTP/SSE

Quality: 41/100 (Fair) | Auth: No auth required

ResearchZosho

Research · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Keryx if you need specialized Research tools running via a hosted cloud SSE transport. Choose ResearchZosho if your workspace requires Research integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Keryx when:

You need dedicated capabilities in the Research domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Budgeted autonomous source selection, Buy, skip, and cache decisions, USDC x402 payments on Arc.

Explore Keryx Details

Choose ResearchZosho 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: RESEARCHZOSHO_DRIVE, RESEARCHZOSHO_MODEL, RESEARCHZOSHO_JUDGE_DRIVE, RESEARCHZOSHO_JUDGE_MODEL, RESEARCHZOSHO_EMBED, RESEARCHZOSHO_LIBRARY.
Primary tools included: Web and scholarly literature search, PDF, web page, and folder ingestion, Claim-level citations and source quotes.

Feature & Specification Comparison

Specification	Keryx Research	ResearchZosho Research
Summary	Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.	The research librarian for the rest of us: reads, keeps and questions your sources.
Category & Scope	Research	Research
Quality signal

Tools & Capabilities Breakdown

Keryx Tools (6)

Budgeted autonomous source selection

Buy, skip, and cache decisions

USDC x402 payments on Arc

Sentence-level excerpt citations

Portable evidence and settlement receipts

Crossref and arXiv scholarly discovery

ResearchZosho Tools (6)

Web and scholarly literature search

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).

Keryx Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "keryx": {
      "url": "https://keryx.cc/integrations/mcp"
    }
  }
}

ResearchZosho Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "researchzosho": {
      "command": "npx",
      "args": [
        "-y",
        "@wyrdsekai/researchzosho-mcp"
      ],
      "env": {
        "RESEARCHZOSHO_DRIVE": "YOUR_RESEARCHZOSHO_DRIVE_HERE",
        "RESEARCHZOSHO_MODEL": "YOUR_RESEARCHZOSHO_MODEL_HERE",
        "RESEARCHZOSHO_JUDGE_DRIVE": "YOUR_RESEARCHZOSHO_JUDGE_DRIVE_HERE",
        "RESEARCHZOSHO_JUDGE_MODEL": "YOUR_RESEARCHZOSHO_JUDGE_MODEL_HERE",
        "RESEARCHZOSHO_EMBED": "YOUR_RESEARCHZOSHO_EMBED_HERE",
        "RESEARCHZOSHO_LIBRARY": "YOUR_RESEARCHZOSHO_LIBRARY_HERE"
      }
    }
  }
}

Frequently Asked Questions

Keryx is categorized under Research and uses a remote streaming HTTP/SSE transport. In contrast, ResearchZosho belongs to Research using local stdio subprocess. Select Keryx when you need capabilities focused on research and ResearchZosho when you require tools for research.

More alternatives to Keryx More alternatives to ResearchZosho Research category hub

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