RCSB PDB vs Fhirfly MCP Server

In-depth architectural comparison of the RCSB PDB and Fhirfly MCP Server 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?

R

Choose RCSB PDB when:

• You need dedicated capabilities in the Biology & Bioinformatics domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: rcsb_list_pdb_search_attributes, rcsb_find_go_terms, rcsb_find_interpro_domains.

Explore RCSB PDB Details

Choose Fhirfly MCP Server when:

• You need dedicated capabilities in the Biology & Bioinformatics domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: ndc_get, ndc_search, npi_get.

Explore Fhirfly MCP Server Details

Feature & Specification Comparison

Specification	R RCSB PDB Biology & Bioinformatics	Fhirfly MCP Server Biology & Bioinformatics
Summary	MCP server to search, inspect, and cross-reference RCSB Protein Data Bank structures	Healthcare reference data: drugs, providers, diagnoses, labs, vaccines, and claims via 28 tools.
Category & Scope	Biology & Bioinformatics	Biology & Bioinformatics

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": {
    "rcsb-pdb-2": {
      "command": "uvx",
      "args": [
        "rcsb-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "mcp-server-57": {
      "command": "npx",
      "args": [
        "-y",
        "@fhirfly-io/mcp-server"
      ]
    }
  }
}

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