Arachne MCP Server: Install & Setup

Install Arachne in Claude Code

Claude Code

claude mcp add arachne -e ARACHNE_API_KEY=... -- uvx arachne-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "arachne": {
      "command": "uvx",
      "args": [
        "arachne-mcp"
      ],
      "env": {
        "ARACHNE_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Arachne MCP server do?

Arachne MCP — scraping, browser, vision, OCR, RAG, Social Research, GitHub + VRT (56 tools).

Is the Arachne MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Arachne run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Arachne to Claude Code?

Run: claude mcp add arachne -e ARACHNE_API_KEY=... -- uvx arachne-mcp

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