Biosamples vs Expression Atlas

In-depth architectural comparison of the Biosamples and Expression Atlas 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?

B

Choose Biosamples when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: search_samples, get_sample.

Explore Biosamples Details

Choose Expression Atlas when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Expression Atlas Details

Feature & Specification Comparison

Specification	B Biosamples Developer Tools	Expression Atlas Developer Tools
Summary	EBI BioSamples MCP.	EBI Expression Atlas MCP.
Category & Scope	Developer Tools	Developer Tools
Quality signal

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": {
    "biosamples": {
      "url": "https://pipeworx.io"
    }
  }
}

{
  "mcpServers": {
    "expression-atlas": {
      "url": "https://pipeworx.io"
    }
  }
}

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