Exa MCP Server vs Sylex Search

A side-by-side look at the Exa MCP Server and Sylex Search MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Exa MCP Server logoExa MCP ServerSearch & Data Extraction · Local subprocess (stdio)A Model Context Protocol (MCP) server lets AI assistants like Claude use the Exa AI Search API for web searches. This setup allows AI models to get real-time web information in a safe and controlled way.73GreatAuth: no auth requiredSylex Search logoSylex SearchSearch & Data Extraction · Local subprocess (stdio)Universal search engine for AI agents. Discover products, services, and businesses across every category. 10 MCP tools, zero LLM calls, millisecond responses. npx sylex-search57GoodAuth: no auth required

Verdict: choose Exa MCP Server for search & data extraction work as a local process; choose Sylex Search for search & data extraction as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Exa MCP Server logoChoose Exa MCP Server when

  • You need dedicated capabilities in the Search & Data Extraction domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like web_search_exa, web_fetch_exa.
Explore Exa MCP Server

Sylex Search logoChoose Sylex Search when

  • You need dedicated capabilities in the Search & Data Extraction domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You have the keys it needs: AC_SUPABASE_URL, AC_SUPABASE_KEY, TRANSPORT, PORT.
  • You want tools like search.discover, search.details, search.compare.
Explore Sylex Search

Feature & specification comparison

Rows where the two servers differ are marked.

SpecExa MCP Server logoExa MCP ServerSylex Search logoSylex Search
CategorySearch & Data ExtractionSearch & Data Extraction
Quality signal73/100 · Great57/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNo auth required
PricingFreeFree
Required env varsNone listedAC_SUPABASE_URLAC_SUPABASE_KEYTRANSPORTPORT
Verified ownerCommunity listingCommunity listing
GitHub stars5,1594
Directory activity 10 views 0 installs 0 upvotes 7 views 0 installs 0 upvotes
Tools210

Tools & capabilities

Exa MCP Server tools 2

  • web_search_exaSearch the web for any topic and get clean, ready-to-use content. Best for: Finding current information, news, facts, people, companies, or answering questions about any topic. Returns: Clean text content from top search results. Query tips: describe the ideal page, not keywords. "blog post comparing React and Vue performance" not "React vs Vue". Use category:people / category:company to search through Linkedin profiles / companies respectively. If highlights are insufficient, follow up with web_fetch_exa on the best URLs.
  • web_fetch_exaRead a webpage's full content as clean markdown. Use after web_search_exa when highlights are insufficient or to read any URL. Best for: Extracting full content from known URLs. Batch multiple URLs in one call. Returns: Clean text content and metadata from the page(s).

Sylex Search tools 10

  • search.discoverSearch the index by natural language query. Returns ranked results with fit scores.
  • search.detailsGet full product data by ID — pricing, features, integrations, reviews.
  • search.compareSide-by-side comparison of 2-5 products.
  • search.categoriesBrowse all categories and subcategories with counts.
  • search.alternativesFind similar products scored by relevance.
  • search.feedbackReport issues or suggest improvements.
  • manage.registerAdd a new product or business to the index. Returns an owner token.
  • manage.claimVerify ownership of an existing listing via URL proof.
  • manage.updateUpdate listing details (description, pricing, category, etc.).
  • manage.list_mcpAdd MCP connection config so other agents can discover and connect.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Exa MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "exa-labs-exa-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "exa-mcp-server"
      ]
    }
  }
}

Sylex Search

mcpServers (Claude Desktop / Cursor)
{
  "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"
      }
    }
  }
}

Frequently asked questions

Exa MCP Server is categorized under Search & Data Extraction and uses a local stdio subprocess. Sylex Search belongs to Search & Data Extraction and uses a local stdio subprocess. Pick Exa MCP Server for search & data extraction work and Sylex Search for search & data extraction.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Exa MCP Server is listed as free. Auth: no auth required. Sylex Search is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add exa-labs-exa-mcp-server and mastadoonprime-sylex-search as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Exa MCP Server has a quality signal of 73/100 (Great) with 10 views, 0 installs and 5,159 GitHub stars. Sylex Search has 57/100 (Good) with 7 views, 0 installs and 4 GitHub stars.