Haiku Rag vs TheCrawler

In-depth architectural comparison of the Haiku Rag and TheCrawler 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 Haiku Rag when:

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

Explore Haiku Rag Details

Choose TheCrawler when:

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

Explore TheCrawler Details

Feature & Specification Comparison

Specification	Haiku Rag Knowledge & Memory	TheCrawler Knowledge & Memory
Summary	Agentic Retrieval Augmented Generation (RAG) with LanceDB	Universal web scraper with LLM-ready markdown, RAG chunking, PDF/DOCX support.
Category & Scope	Knowledge & Memory	Knowledge & Memory
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": {
    "haiku-rag": {
      "command": "uvx",
      "args": [
        "haiku.rag"
      ]
    }
  }
}

{
  "mcpServers": {
    "thecrawler": {
      "command": "npx",
      "args": [
        "-y",
        "thecrawler"
      ]
    }
  }
}

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