What is the key difference between Free Web Search Ultimate and Nexus?

Free Web Search Ultimate belongs to the Search & Data Extraction category with local stdio execution, while Nexus belongs to the Search & Data Extraction category with local stdio execution.

How do I install Free Web Search Ultimate or Nexus in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Free Web Search Ultimate and Nexus free or paid?

Free Web Search Ultimate operates under a Free / Open Source model (No auth required). Nexus operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Free Web Search Ultimate lists 12 tools with 1 views and 16 GitHub stars. Nexus lists 1 tools with 2 views and 23 GitHub stars.

Can I use both Free Web Search Ultimate and Nexus together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Free Web Search Ultimate vs Nexus

In-depth architectural comparison of the Free Web Search Ultimate and Nexus 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.

At a Glance & Executive Verdict

Free Web Search Ultimate

Search & Data Extraction · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Nexus

Search & Data Extraction · Local stdio

Quality: 59/100 (Good) | Auth: API Key required

Verdict Summary: Choose Free Web Search Ultimate if you need specialized Search & Data Extraction tools running via a local process. Choose Nexus if your workspace requires Search & Data Extraction integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Free Web Search Ultimate 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: ZERO_SEARCH_BRIGHTDATA_API_KEY, ZERO_SEARCH_BRIGHTDATA_ZONE, ZERO_SEARCH_BRIGHTDATA_UNLOCKER_ZONE, ZERO_SEARCH_SEARXNG_URL.
Primary tools included: type, engine, region.

Explore Free Web Search Ultimate Details

Choose Nexus 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 (BYOK (Pay Provider Direct)).
You have access to required keys: .

Feature & Specification Comparison

Specification	Free Web Search Ultimate wd041216-bit Search & Data Extraction	Nexus adawalli Search & Data Extraction
Summary	Zero-cost, privacy-first universal web search MCP server. Enforces a Search-First paradigm — instructs LLMs to retrieve real-time information before answering factual questions. Supports 10+ search engines (DuckDuckGo, Bing, Google, Brave, Wikipedia, Arxiv, YouTube, Reddit) and deep page browsing. No API key required.	AI-powered web search server using Perplexity Sonar models with source citations. Zero-install setup via NPX.
Category & Scope

Tools & Capabilities Breakdown

Free Web Search Ultimate Tools (12)

type

`text`, `news`, `images`, `videos`, `books` (default: `text`)

engine

`google`, `bing`, `duckduckgo`, `yandex`, `baidu`, `yahoo`, `naver` (Bright Data only)

region

region code, e.g. `us-en`, `zh-cn`, `wt-wt` (default: `wt-wt`)

profile

provider profile name

goggles

built-in reranking preset

format

`markdown` or `text` (default: `markdown`)

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).

Free Web Search Ultimate Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "wd041216-bit-free-web-search-ultimate": {
      "command": "npx",
      "args": [
        "zero-api-key-web-search",
        "zero-mcp"
      ],
      "env": {
        "ZERO_SEARCH_BRIGHTDATA_API_KEY": "YOUR_ZERO_SEARCH_BRIGHTDATA_API_KEY_HERE",
        "ZERO_SEARCH_BRIGHTDATA_ZONE": "YOUR_ZERO_SEARCH_BRIGHTDATA_ZONE_HERE",
        "ZERO_SEARCH_BRIGHTDATA_UNLOCKER_ZONE": "YOUR_ZERO_SEARCH_BRIGHTDATA_UNLOCKER_ZONE_HERE",
        "ZERO_SEARCH_SEARXNG_URL": "YOUR_ZERO_SEARCH_SEARXNG_URL_HERE"
      }
    }
  }
}

Nexus Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "adawalli-nexus": {
      "command": "bunx",
      "args": [
        "nexus-mcp"
      ],
      "env": {
        "OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

Free Web Search Ultimate is categorized under Search & Data Extraction and uses a local stdio subprocess. In contrast, Nexus belongs to Search & Data Extraction using local stdio subprocess. Select Free Web Search Ultimate when you need capabilities focused on search & data extraction and Nexus when you require tools for search & data extraction.

More alternatives to Free Web Search Ultimate More alternatives to Nexus Search & Data Extraction category hub Canonical compare URL