Guardian MCP Server: Install & Setup

Install Guardian in Claude Code

Claude Code

claude mcp add cyanheads-guardian -e GUARDIAN_API_KEY=... -- npx -y @cyanheads/guardian-mcp-server

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

{
  "mcpServers": {
    "cyanheads-guardian": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/guardian-mcp-server"
      ],
      "env": {
        "GUARDIAN_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Guardian MCP server do?

Guardian Open Platform: search and retrieve full article text from The Guardian archive.

Is the Guardian 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 Guardian run locally or remotely?

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

How do I add Guardian to Claude Code?

Run: claude mcp add cyanheads-guardian -e GUARDIAN_API_KEY=... -- npx -y @cyanheads/guardian-mcp-server

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