Catalysishub MCP Server vs MCP Paperswithcode

In-depth architectural comparison of the Catalysishub MCP Server and MCP Paperswithcode 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 Catalysishub MCP Server when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Execute arbitrary valid GraphQL queries, Support parameterized queries with variables, Access reactions, materials, publications, and surface data.

Explore Catalysishub MCP Server Details

Choose MCP Paperswithcode when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Paper search with title, abstract, and arXiv ID filters, Paper metadata and readable URL-based extraction, Linked results, tasks, methods, datasets, and repositories.

Feature & Specification Comparison

Specification	Catalysishub MCP Server QuentinCody Search & Data Extraction	MCP Paperswithcode hbg Search & Data Extraction
Summary	Unofficial MCP server for searching and retrieving scientific data from the Catalysis Hub database, providing access to computational catalysis research and surface reaction data.	MCP to search through PapersWithCode API
Category & Scope	Search & Data Extraction

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": {
    "quentincody-catalysishub-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "quentincody-catalysishub-mcp-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "hbg-mcp-paperswithcode": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli"
      ]
    }
  }
}

Related MCP Server Comparisons