Open WebSearch vs Sylex Search

In-depth architectural comparison of the Open WebSearch and Sylex Search 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 Open WebSearch 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).
• Primary tools included: Multi-engine web search without API keys, Structured titles, URLs, and descriptions, Web, Markdown, GitHub README, and CSDN fetching.

Explore Open WebSearch Details

Choose Sylex Search 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: AC_SUPABASE_URL, AC_SUPABASE_KEY, TRANSPORT, PORT.
• Primary tools included: search.discover, search.details, search.compare.

Feature & Specification Comparison

Specification	Open WebSearch Aas-ee Search & Data Extraction	Sylex Search MastadoonPrime Search & Data Extraction
Summary	Web search using free multi-engine search (NO API KEYS REQUIRED) — Supports Bing, Baidu, DuckDuckGo, Brave, Exa, and CSDN.	Universal search engine for AI agents. Discover products, services, and businesses across every category. 10 MCP tools, zero LLM calls, millisecond responses. npx sylex-search
Category & Scope

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": {
    "aas-ee-open-websearch": {
      "command": "npx",
      "args": [
        "-y",
        "aas-ee-open-websearch"
      ]
    }
  }
}

{
  "mcpServers": {
    "mastadoonprime-sylex-search": {
      "command": "npx",
      "args": [
        "-y",
        "sylex-search"
      ],
      "env": {
        "AC_SUPABASE_URL": "YOUR_AC_SUPABASE_URL_HERE",
        "AC_SUPABASE_KEY": "YOUR_AC_SUPABASE_KEY_HERE",
        "TRANSPORT": "YOUR_TRANSPORT_HERE",
        "PORT": "YOUR_PORT_HERE"
      }
    }
  }
}

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