Airweave Search vs Libofcongress MCP Server

In-depth architectural comparison of the Airweave Search and Libofcongress 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?

Choose Airweave Search when:

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

Explore Airweave Search Details

Choose Libofcongress MCP Server when:

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

Explore Libofcongress MCP Server Details

Feature & Specification Comparison

Specification	Airweave Search Developer Tools	Libofcongress MCP Server Developer Tools
Summary	MCP server for searching Airweave collections with natural language queries.	Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
Category & Scope	Developer Tools	Developer Tools

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": {
    "airweave-search": {
      "command": "uvx",
      "args": [
        "airweave-sdk"
      ]
    }
  }
}

{
  "mcpServers": {
    "libofcongress-mcp-server": {
      "command": "bunx",
      "args": [
        "@cyanheads/libofcongress-mcp-server@latest"
      ]
    }
  }
}

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