Rephrasy MCP Server: Install & Setup

Install Rephrasy in Claude Code

Claude Code

claude mcp add rephrasy -e REPHRASY_API_KEY=... -- npx -y @rephrasy/mcp

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

{
  "mcpServers": {
    "rephrasy": {
      "command": "npx",
      "args": [
        "-y",
        "@rephrasy/mcp"
      ],
      "env": {
        "REPHRASY_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Rephrasy MCP server do?

Humanize AI text and check AI-detection scores from Claude, Cursor, or any MCP client.

Is the Rephrasy 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 Rephrasy run locally or remotely?

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

How do I add Rephrasy to Claude Code?

Run: claude mcp add rephrasy -e REPHRASY_API_KEY=... -- npx -y @rephrasy/mcp

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