Markcrawl vs Crw

In-depth architectural comparison of the Markcrawl and Crw 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 Markcrawl 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).
• You have access to required keys: MARKCRAWL_EMBEDDER.
• Primary tools included: Crawls single pages or entire websites with URL filtering, Outputs clean Markdown files with citations and structured JSONL index, Local embedding with no API key required (torch + transformers).

Explore Markcrawl Details

Choose Crw when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: CRW_API_KEY.
• Primary tools included: Single static Rust binary (~6MB) with low memory usage (~50MB idle), Supports scraping, crawling, mapping, and search, Outputs clean markdown and JSON.

Feature & Specification Comparison

Specification	Markcrawl AIMLPM Search & Data Extraction	Crw us Search & Data Extraction
Summary	Crawl websites into clean Markdown, search pages, and extract structured data with LLMs. Built-in MCP server for web research and RAG pipelines.	fastCRW — open-source (AGPL-3.0), self-hostable Rust web crawler & search API for AI agents. Tools: scrape, crawl, map, and SearXNG-backed search. Single 6MB static binary; reproducible 1K-URL benchmarks faster than hosted alternatives. Hosted MCP at fastcrw.com/mcp (Streamable HTTP, OAuth) or self-host.
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": {
    "aimlpm-markcrawl": {
      "command": "npx",
      "args": [
        "-y",
        "clawhub"
      ],
      "env": {
        "MARKCRAWL_EMBEDDER": "YOUR_MARKCRAWL_EMBEDDER_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "us-crw": {
      "command": "npx",
      "args": [
        "-y",
        "crw-mcp"
      ],
      "env": {
        "CRW_API_KEY": "YOUR_CRW_API_KEY_HERE"
      }
    }
  }
}

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