Exa MCP Server vs Ha MCP

A side-by-side look at the Exa MCP Server and Ha MCP 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 requiredHa MCP logoHa MCPHome AutomationComprehensive Model Context Protocol server for managing Home Assistant through AI assistants.44FairAuth: api key required

Verdict: choose Exa MCP Server for search & data extraction work as a local process; choose Ha MCP for home automation. 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

Ha MCP logoChoose Ha MCP when

  • You need dedicated capabilities in the Home Automation domain.
  • Its auth model fits you: API key required.
  • You have the keys it needs: HOMEASSISTANT_URL, HOMEASSISTANT_TOKEN.
Explore Ha MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecExa MCP Server logoExa MCP ServerHa MCP logoHa MCP
CategorySearch & Data ExtractionHome Automation
Quality signal73/100 · Great44/100 · Fair
Install commandConfirmedNot confirmed yet
TransportLocal subprocess (stdio)—
AuthNo auth requiredAPI key required
PricingFreeFree
Required env varsNone listedHOMEASSISTANT_URLHOMEASSISTANT_TOKEN
Verified ownerCommunity listingCommunity listing
GitHub stars5,1615,186
Directory activity 11 views 0 installs 0 upvotes 0 views 0 installs 0 upvotes
Tools2Not listed

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).

Ha MCP tools

No tool names declared yet. Check the project README from the listing page.

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"
      ]
    }
  }
}

Ha MCP

No confirmed install command for Ha MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.

Frequently asked questions

Exa MCP Server is categorized under Search & Data Extraction and uses a local stdio subprocess. Ha MCP belongs to Home Automation and uses an install path we have not confirmed yet. Pick Exa MCP Server for search & data extraction work and Ha MCP for home automation.

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. Ha MCP has no confirmed install command yet — follow its own setup instructions.

Exa MCP Server is listed as free. Auth: no auth required. Ha MCP is listed as free. Auth: api key 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 ha-mcp 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 11 views, 0 installs and 5,161 GitHub stars. Ha MCP has 44/100 (Fair) with 0 views, 0 installs and 5,186 GitHub stars.